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P.O . Box 31567 • Tucson Arizona 85751 - 1567 • U.S.A . 28cc and 32cc GAS POWERED CURVED SHAFT • MANUFACTURING • SALES • SERVICE • STRING TRIMMERS FOR WARRANTY OR SERVICE , ( †) SERIAL CONTACT THE NEAREST McCULLOCH AUTHORIZED SERVICE CENTER MODEL NUMBER MODEL ENGINE NAME PREFIX NUMBER SIZE DRIVE SHAFT HANDLE LISTED UNDER ‘ SAWS ’ IN YOUR TELEPHONE DIRECTORY YELLOW PAGES . MT3310 - - 28cc DIRECT 44 ” D MT3311 - - 32cc CLUTCH 48 ” D IF FURTHER ASSISTANCE IS REQUIRED CALL THIS TOLL - FREE HOT LINE . MAC 1385L 22 - 400132 - 93 32cc CLUTCH 48 ” D PLEASE REFERENCE YOUR MODEL AND SERIAL NUMBER . MAC 2816 12 - / 22 - 400128 - 01 28cc DIRECT 44 ” D MAC 2816 12 - / 22 - 400128 - 19 28cc DIRECT 44 ” D MAC 2816 12 - / 22 - 400128 - 21 28cc DIRECT 44 ” D 1 - 800 - 521 - 8559 MAC 2816 12 - / 22 - 400128 - 27 28cc DIRECT 44 ” D MAC 2816 12 - / 22 - 400128 - 51 28cc DIRECT 44 ” D MONDAY - FRIDAY - 6 : 00 AM - 4 : 30 PM ( MST ) MAC 2816 12 - / 22 - 400128 - 73 28cc DIRECT 44 ” D MAC 2816 12 - 400128 - 85 28cc DIRECT 44 ” D www.mccullochpower.com MAC 2816 12 - / 22 - 400128 - 93 28cc DIRECT 44 ” D MAC 2816 22 - 400128 - 97 28cc DIRECT 44 ” D MAC 2818 12 - / 22 - 400128 - 02 28cc CLUTCH 48 ” D MAC 2818 12 - / 22 - 400128 - 30 28cc CLUTCH 48 ” D McCulloch products are identified by a model number ( in this instance MAC 2818 12 - / 22 - 400128 - 58 28cc CLUTCH 48 ” D 400128 ) followed by a suffix number ( 01 ) . Suffix numbers denote ENGINE SPECIFICATIONS TORQUE SPECIFICATIONS MAC 2818 12 - / 22 - 400128 - 94 28cc CLUTCH 48 ’ D variations in parts or assemblies used in the manufacture of this Eager Beaver 282 12 - 400128 - 05 28cc DIRECT 44 ” D FASTENER FIG / TORQUE Engine Type . . . . . . . . . . . . . . . . . Air - Cooled , Two Cycle , Single product . Eager Beaver 282 12 - 400128 - 47 28cc DIRECT 44 ” D DESCRIPTION PART NO . ITEM ( IN / LBS ) LOCTITE Chrome Cylinder Illustrated Parts Lists ( IPLs ) contain a PART NUMBER , DESCRIPTION , Eager Beaver 287 12 - 400128 - 10 28cc CLUTCH 48 ” D UNITS per assembly and STOCKING CODE for each part . C’Case to Cylinder 111065 1 / 57 55 - 60 242 Displacement . . . . . . . . . . . . . . . . 28cc or 32cc Eager Beaver 287 12 400128 - 28 28c CLUTCH 48 ” D Stocking Codes are : C’Case to Plast Plug 111065 1 / 70 35 - 40 242 Idle RPM , Direct Dr . . . . . . . . . . . 3000 - 3500 RPM Eager Beaver 287 12 - 400128 - 48 28cc CLUTCH 48 ” J A - Dealer stocked . Fast to medium moving part . Insulator to Cylinder 111053 1 / 20 45 - 50 242 Eager Beaver 287 12 - 400128 - 52 28cc CLUTCH 48 ” D Idle RPM , Clutch Dr . . . . . . . . . . . 2700 - 3000 RPM B - Distributor stocked . Medium to slow moving part . ProMac I Super 12 - / 22 - 400132 - 01 32cc DIRECT 48 ” J Shroud to C’Case 111067 1 / 48 55 - 60 242 Maximum RPM . . . . . . . . . . . . . . 7000 - 8000 RPM C - Factory stocked . Slow moving part . ProMac I Super 12 - 400132 - 44 32cc DIRECT 48 ” D Ignition Asy 111053 1 / 40 45 - 50 242 Compression , PSI . . . . . . . . . . . . 28cc = 80 PowerPro P1528 22 - 400128 - 96 28cc DIRECT 44 ” D Carburetor 111058 1 / 13 25 - 30 - - ( after 10 pulls , thr’tl full open ) . . . 32cc = 90 PowerPro P1732C 22 - 400132 - 86 32cc CLUTCH 44 ” D NOTE : The following explains symbols and footnotes in this IPL : Roadrunner III 12 - / 22 - 400128 - 11 28cc DIRECT 44 ” J Spark Plug 92879 1 / 66 110 - 120 - - Ignition . . . . . . . . . . . . . . . . . . . . Electronic A dash preceding a PART NUMBER indicates that it is a ( - ) Roadrunner III 12 - / 22 - 400128 - 18 28cc CLUTCH 44 ” J new part number , different from the one listed in the Flywheel Nut 111085 1 / 37 140 - 145 242 Flywheel to Ignition Gap . . . . . . . . 0.007 - 0.012 in . previous IPL for this unit . Roadrunner III 12 - 400128 - 25 28cc DIRECT 44 ” J Flywheel Nut 322847 1 / 38 140 - 145 242 Spark Plug . . . . . . . . . . . . . . . . . . Champion RDJ8J Roadrunner III 12 - 400128 - 59 28cc DIRECT 44 ” D One or more dots ( . Spring , Starter ) preceding a part ( . ) Roadrunner III 12 - / 22 - 400128 - 61 28cc DIRECT 48 ” J Starter Housing 111054 2 / 32 30 - 35 - - Spark Plug Gap . . . . . . . . . . . . . . 0.025 in . ( 0.63mm ) DESCRIPTION indicates the part is included in the kit or Roadrunner III 12 - 400128 - 83 28cc CLUTCH 44 ” D assembly described directly above the dot ( s ) . Clutch Housing 224919 2 / 28 30 - 35 - - Fuel Tank Capacity . . . . . . . . . . . . 24 oz . ( 71ml ) Silver Eagle 28 12 - / 22 - 400128 - 03 28cc DIRECT 44 ” D Fuel Type . . . . . . . . . . . . . . . . . . . Unleaded - Regular Grade If four dashes appear in place of a PART NUMBER , the ( - - - - ) Silver Eagle 28C 12 - / 22 - 400128 - 06 28cc CLUTCH 48 ” J part is not available individually but is included in the next Silver Eagle 28 12 - / 22 - 400128 - 17 28cc DIRECT 44 ” D Fuel to Oil Ratio . . . . . . . . . . . . . . 40 : 1 McCulloch Custom Lubricant higher assembly or subassembly . Silver Eagle 28C 12 - / 22 - 400128 - 20 28cc CLUTCH 48 ” J Dry Weight . . . . . . . . . . . . . . . . . . 44 ” = 9.9 lbs Silver Eagle 28 12 - 400128 - 49 28cc DIRECT 44 ” D Circled numbers preceding a DESCRIPTION footnote the 48 ” = 13.6 lbs part or assembly to additional information on the page . Silver Eagle 28C 12 - 400128 - 50 28cc DIRECT 48 ” J Carburetor . . . . . . . . . . . . . . . . . . Diaphragm with Primer Silver Eagle 28C 12 - 400128 - 74 28cc CLUTCH 48 ” J An asterisk denotes that choices follow or precede . ( * ) Silver Eagle 28 12 - 400128 - 75 28cc DIRECT 44 ” D Starter Cord . . . . . . . . . . . . . . . . . Nylon , Type 3.5 , Length 46 in . FR 15 ” DD 44 ” 90 - 002815 - 00 28cc DIRECT 44 ” D Serial Number Prefix 22 - denotes CARB approved unit - - ( †) FR 15 ” DD 44 ” 90 - 002816 - 00 28cc DIRECT 44 ” D all parts are interchangeable with Serial Number Prefix 12 - . FR 17 ” CD 48 ” 90 - 002817 - 00 28cc CLUTCH 48 ” D FR 17 ” CD 48 ” 90 - 002818 - 00 28cc CLUTCH 48 ” D The policy of McCulloch is one of continual improvement in design , manufacturing and engineering advancement wherever possible to MARCH 2003 assure still finer power tools . Hence , specifications , equipment colors , design and manufacturer’s suggested list prices are subject to change ILLUSTRATED PARTS LIST without notice . McCulloch reserves the right to make such changes without prior notification or obligation to backfit or supply backfit components for units previously shipped from the factory . P.O . Box 31567 Tucson , Arizona 85751 - 1567 • U.S.A . McCulloch 2003 • Printed in U.S.A . PN 211703 - 03
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CARBURETOR ASSEMBLY POWERHEAD ASSEMBLY FIGURE 1 FIGURE 4 21 20 63 62 5 61 5 63 73 22 16 21 22 17 14 1 19 7 32 3 6 65 17 27 15 2 7 8 73 64 30 3 34 2 6 8 25 66 9 25 24 14 31 19 1 13 28 30 11 9 38 59 36 10 18 34 29 23 12 35 31 24 30 33 12 10 26 2 24 20 47 26 7 28 32 29 36 8 4 31 46 15 27 43 37 5 19 3 35 44 45 18 – – 34 13 33 37 / 38 40 56 29 – – 2 – – 33 – – – – 35 2 – – 1 16 – – 3 4 41 32 – – – 37 – – 36 11 53 4 – – 38 23 – – 7 54 6 – – 22 42 – – 8 – – 44 55 34 – – 42 – – 45 42 – 35 – – 43 – – 52 – – 23 ITEM STK ITEM STK PART UNITS PART UNITS – – 46 – – 24 – – 47 NO . CODE NUMBER DESCRIPTION PER ASY NO . CODE NUMBER DESCRIPTION PER ASY 51 23 – – – 25 A - 323602 - 03 Carburetor , Walbro WT 434 1 A - 323602 - 03 Carburetor , Zama C1U M29D 1 52 – – 26 1 - - - - . Ring , Screen Retainer 1 1 - - - - . Ring , Screen Retainer 1 – – 51 32 36 51 – – – 27 2 - - - - . Ring , Shaft Retainer 1 2 - - - - . Collar 1 – – 52 60 3 - - - - . Lever , Throttle 1 3 - - - - . Lever , Throttle 1 4 - - - - . Cover , Metering Lever 1 4 - - - - . Cover , Metering Lever 1 – – 29 48 – – 53 5 B 300072 . Cover , Fuel Pump 1 5 B 300456 . Cover , Fuel Pump 1 11 29 – – – 30 6 - - - - . Shaft Asy , Throttle 1 6 - - - - . Shaft Asy , Throttle 1 – – 54 49 39 12 53 – 50 – – 31 58 7 - - - - . Valve , Throttle 1 7 - - - - . Valve , Throttle 1 – – 55 8 - - - - . Shaft Asy , Choke 1 8 - - - - . Shaft Asy , Choke 1 – – 56 10 9 - - - - . Valve , Choke 1 9 - - - - . Valve , Choke 1 72 10 - - - - . Valve , Inlet Needle 1 10 - - - - . Valve , Inlet Needle 1 – – 59 22 11 - - - - . Seat Asy , Check Valve 1 11 - - - - . Plug , Welch 1 59 – 57 – – 60 12 - - - - . Plug , Cup 1 12 - - - - . Ball , Choke Friction 1 67 13 - - - - . Plug , Welch 1 13 - - - - . Gasket , Metering Diaphragm 1 9 14 - - - - . Ball , Choke Friction 1 14 - - - - . Gasket , Fuel Pump 1 21 71 15 - - - - . Gasket , Metering Diaphragm 1 15 - - - - . Diaphragm , Fuel Pump 1 68 9 16 - - - - . Gasket , Fuel Pump 1 16 - - - - . Diaphragm Asy , Metering 1 19 17 - - - - . Diaphragm , Fuel Pump 1 17 - - - - . Screw , Valve 1 18 - - - - . Diaphragm Asy , Metering 1 18 - - - - . Screw , Valve 1 69 20 19 - - - - . Screw , Valve 2 19 - - - - . Screw , Metering Lever Pin 1 70 20 - - - - . Screw , Metering Lever Pin 1 20 - - - - . Screw , Pump Cover 2 18 21 - - - - . Screw , Pump Cover 1 21 - - - - . Screw , Idle Adjust Kit 1 22 - - - - . Spring , Idle Adjust Kit 1 22 - - - - . Screw , Metering Cover 2 23 - - - - . Screw , Metering Cover 4 23 - - - - . Spring , Choke Friction 1 24 A - - - - . Spring , Choke Friction 1 24 - - - - . Spring Needle 2 25 - - - - . Spring , Idle Needle 1 25 - - - - . Spring , Throttle Return 1 26 - - - - . Spring , High Speed Needle 1 26 - - - - . Spring , Metering Lever 1 17 27 - - - - . Spring , Throttle Return 1 27 - - - - . Needle , High Speed 1 28 - - - - . Spring , Metering Lever 1 28 - - - - . Needle , Low Speed 1 23 13 28 29 - - - - . Needle , High Speed 1 29 - - - - . Screen , Check Valve 1 14 30 - - - - . Needle , Low Speed 1 30 - - - - . Screen , Fuel Inlet 1 26 31 - - - - . Screen , Check Valve 2 31 - - - - . Pin , Metering Lever 1 32 - - - - . Screen , Fuel Inlet 1 32 - - - - . Lever , Metering 1 33 - - - - . Pin , Metering Lever 1 33 - - - - . Nozzle Asy , Check Valve 1 34 - - - - . Lever , Metering 1 34 - - - - . Screw , Throttle Lever 1 27 35 - - - - . Ring , High Speed 1 35 B 323603 . Cap , Limiter , High , Black 1 36 - - - - . Washer , High Speed 1 36 B 323604 . Cap , Limiter , Low , White 1 16 37 B 323601 . Cap , Limiter , High , Black 1 15 38 B 323602 . Cap , Limiter , Low , White 1 300454 Kit , Major Repair RB - 48 ( Stk Code B ) 300457 Kit , Major Repair A1117WT ( Stk Code A ) 24 300473 Kit , Gasket / Diaphragm GND - 13 ( Stk Code A ) 25 324460 Kit , Gasket / Diaphragm B1106WT ( Stk Code A ) 322358 Kit , Choke Lever 40 - 999 ( Stk Code A ) 322363 Kit , Choke Lever 40 - 999 ( Stk Code A ) 2 7
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SHAFT / HANDLE / STRINGHEAD ASSEMBLY POWERHEAD ASSEMBLY FIGURE 3 FIGURE 1 ITEM STK PART UNITS ITEM STK PART UNITS NO . CODE NUMBER DESCRIPTION PER ASY NO . CODE NUMBER DESCRIPTION PER ASY – – 2 1 A 224044 Spring , Muffler 1 52 - - - - - . Bearing 2 – – 3 2 B - 224034 Kit , Muffler 1 * 53 - - - - - Piston , 28cc Aluminum 1 1 – – – – 4 3 B 111072 . Screw , 8 - 18 x . 31 Pn Dh Sl Torx 1 54 - - - - - . Pin , C’shaft Piston 1 – – 5 4 A 224228 Gasket , Muffler 1 55 - - - - - . Ring , Retaining 1 2 11 5 A 224922 Gasket , Exhaust Port 1 56 - - - - - . Ring , Piston , 35mm 1 – – 13 6 A - 302424 Kit , Spark Arrester 1 * 53 - - - - - Piston , 32cc Aluminum 1 – – 14 5 7 A 224040 . Screen , Spark Arrester 1 54 - - - - - . Pin , C’shaft Piston 1 12 – – – 15 8 A 322032 . Cover , Spark Arrester 55 - - - - - . Ring , Retaining 1 1 18 – – 16 3 9 9 A 111055 Screw , 10 - 24 x . 625 , Plast 2 56 - - - - - . Ring , Piston 1 19 10 A 224236 Cover , Air Cleaner , Large ( Black ) 1 57 A 111065 Screw , 10 - 24 x . 688 Tri Rnd 4 – – 17 10 11 A 224237 Cover , Air Cleaner 58 A 322030 Shield Muffler 1 , Small ( Black ) 1 – – 1 12 A 224239 Filter , Air 1 * 59 A 300452 Cylinder / Gasket , 28cc Chrome 1 17 – – – 19 4 13 A 111058 Nut , 10 - 24 Hex , Flange 2 60 A 224022 . Gasket , Cylinder 1 – – 20 14 A 224238 Box , Air ( Blk ) 1 * 59 A 300453 Cylinder / Gasket , 32cc Chrome 1 15 A 224242 - 02 Primer , Remote 1 60 A 224022 . Gasket , Cylinder 1 17 16 A 225163 Hose , Fuel Return 1 61 B 224235 Cover , Cylinder / Muffler ( Black ) 1 – – 24 32 – – 22 22 – 17 - FIGURE 3 Carburetor w / Choke 62 B 322210 Washer , 1 Plastic 1 – – 25 – – 23 – – 18 A 218933 Gasket , Carburetor 1 63 B 111067 Screw , 10 - 24 x . 63 Sl Torx Tp 2 – – 26 24 19 A - 224041 - 02 Insulator , Carburetor 1 64 B 111068 Screw , 10 - 14 x 1.38 Taptite 1 20 A 111053 Screw , 10 - 24 x . 88 Thd Form 2 65 A 93469 Washer , . 469OD / . 222ID 1 21 B 111057 Screw , 10 - 24 Spl 2 66 A 92879 Spark Plug , RDJ8J 1 31 19 22 A 322031 Gasket , Manifold 1 67 A 224023 Gasket , C’case 1 23 A 302349 Tank , Fuel ( Natural ) 1 68 A - 224024 - 01 Plug , C’case 1 20 24 A - 216985 . Filter , Fuel 1 69 C - 322437 - 90 Plate , C’case , Coated Finish 1 25 A 225162 . Hose , Fuel 1 70 A 111065 Screw , 10 - 24 x . 688 Tri Rnd 5 26 A 225163 . Hose , Fuel Return 1 71 - - - - - Label , Choke ( Vertical ) 1 22 27 A - 223508 . Cap , Fuel , w / Retainer 1 72 - - - - - Label , Staring Inst ( Eng ) for 13 28 A 322105 Isolator , Fuel Tank 4 models with slide to stop switch 1 23 29 A 301114 Kit , Spacer , Clutch 1 73 - FIGURE 2 Starter / Clutch Housing Asy 1 14 30 C 322847 . Nut , Hex , 7 / 16 - 20 1 31 B 322844 . Washer , Shaft 1 16 32 A - 301352 - 01 Kit , Flywheel , 28 / 32 1 15 Direct Drive Models Only ( refer to chart on page 1 ) 33 B 550001 Kit , Pawls / Flywheel 1 Clutch Drive Models Only ( refer to chart on page 1 ) 34 - - - - - . Pawl , Starter 2 28cc Models Only ( refer to chart on page 1 ) 35 - - - - - . Spring , Starter Pawl 2 32cc Models Only ( refer to chart on page 1 ) 36 - - - - - . Ring , Retainer 2 Not Used On These Models 37 B 111085 . Nut , Direct Drive 1 ITEM STK PART UNITS ITEM STK PART UNITS 38 C 322847 . Nut , 7 / 16 - 20 , Clutch Drive 1 Represents a Represents a Represents ba NO . CODE NUMBER DESCRIPTION PER ASY NO . CODE NUMBER DESCRIPTION PER ASY 39 A 102164 Key , Flywheel 1 large black air small black air terminal ta box box MT3311128 - 02061011180 40 A 111053 Screw , 10 - 24 x . 88 Thd Form 2 44 ” Shaft Models Only ( refer to chart on page 1 ) 1 B 300834 Handle , Delta Kit 1 MT3311 MT3310 8882240000128 - - - - - 2 41 B 300321 Terminal Tab 1 48 ” Shaft Models Only ( refer to chart on page 1 ) 2 - - - - - . Assist Handle w / Cap Asy 1 22400128 - 03 22400128 - 01 224240012121228 42 A 302138 Ignition Asy 1 3 - - - - - . Knob 1 22400128 - 06 22400128 - 02 1224000001 Represents a 12400128 - 52 90002817 - 0000 43 A 223884 . Kit , Spark Plug Wire 1 4 B 09075 - 99 . Bolt , 1 / 4 in . - 20 x 2.5 Hx Cap 1 22400128 - 11 12400128 - 0510 delta handle 22400128 - 58 90002818 - 44 A 102556 . . Connector , Spark 1 5 B 13035 - 99 . Nut , 1 / 4 in . - 20 x . 226T 1 22400128 - 17 12400128 - 22440 MT3310 2400132 - 59 45 A 95266 . . Boot , Spark Plug 1 9 B 215337 Clamp , Handle 2 22400128 - 18 22400128 - 19 12 MT3311 22400128 - 735838593949697014486940000 Represents a 46 B 215533 - 01 . . Grommet , H / T Lead , Split 1 10 A 217935 Screw 2 12400128 - 20 12400128 - 21 12400128 - 2528304849505258596174839444869300 22400128 - 01 6522228888812400128 - 7 - - - - - - - - - - - - J - handle128 - 0611182025485061 47 B 110995 . . Grommet , S / Plug Wire 1 11 A 218315 Nut , 10 - 24 2 12400128 - 25 12400128 - 27 82228888888888812400128 - - - - - - - - - - - - - - - - 22400128 - 02 12400128212121212131313138181 8888882240000128 - - - - - - - 48 B 111067 Screw , 10 - 24x . 63 SlTorTp 3 12400128 - 49 12400128 - 28 12400121212121212121212121213131381 12 A 300651 Kit , Stringhead , Small 1 22400128 - 03 1240010000000000000000202 2242400121212121212 12400128 - 50 12400128 - 30 1240000000000000000000000000002 49 B 224042 Shroud , Engine 1 22400128 - 05 224042423242424240000 13 A 322025 . Housing / Eyelet Asy w / Collar 1 22240000000000 22400128 - 58 12400128 - 47 124242424242424242424242400 22400128 - 10 2221212299 * 50 B 224701 Short Block Asy , Direct Drive 1 14 A - 324089 . Spring , McC Stringhead 1 12400128 - 59 12400128 - 48 111111121229 22400128 - 1719212730474951 - - - - - . C’case Asy 1 15 A 300688 . Kit , Line on Spool , M - Sm 1 124242424 12400128 - 61 22400128 - 5152587385939496970025000000 88888822400128 - - - - - - - - - - - - . C’case , Machined 1 212 16 A - 300736 - 01 . Kit , Knob Asy , Small 1 12400128 - 74 87655888888812400128 - - - - - - - - - - - - - 22400121212121212 - - - - - . . Bearing 6202 1 * 17 A 300429 Housing Asy , Outer , 44 ” 1 12400128 - 75 12400121212121212128181818181 2240000000000 - - - - - . . Bearing 6202RS 1 18 - - - - - . Clip , Spring External 2 12400128 - 83 1240000000000000202020202 124242424 - - - - - . . Seal 1 * 17 A 300424 Housing Asy , Outer , 48 ” 1 12400132 - 01 124242424240000000000 112 12400128 - 4950 - - - - - . . Spacer 1 18 - - - - - . Clip , Spring External 2 12400132 - 44 222299999 12400128 - - - - - - . . O - ring 1 22400132 - 93 * 19 A - 301023 Shaft , Flex , Plus Clip , 44 ” 1 * 50 B - 224703 Short Block Asy , Clutch Drive 1 * 19 A 301024 Shaft , Flex , Plus Clip , 48 ” 1 - - - - - . C’shaft Asy 1 20 A 224062 Shield Asy , Grass , R , 17in . 1 - - - - - . C’case , Machined 1 21 A 300626 . Kit , Knife 1 - - - - - . . Bearing 6202 1 22 - - - - - . . Cutter 1 - - - - - . . Bearing 6202RS 1 23 - - - - - . . Nut , Lock 10 - 24 Hex 2 Represents a - - - - - . . Seal 1 24 - - - - - . . Screw , 10 - 24 x . 50 Torx 2 large green - - - - - . . Spacer 1 31 A 216595 Screw , M6 x 1.0 Hex 1 air box - - - - - . . O Ring 1 32 A 111102 Nut , Wing M6 x 1.0 1 22400132 - 86 51 - - - - - Rod , Connecting Asy 1 6 3
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STARTER / CLUTCH HOUSING ASSEMBL FIGURE 2 Y FIGURE 2 STARTER / CLUTCH HOUSING ASSEMBLY ITEM STK PART UNITS ITEM STK PART UNITS NO . CODE NUMBER DESCRIPTION PER ASY NO . CODE NUMBER DESCRIPTION PER ASY Direct Drive Models Only ( refer to chart on page 1 ) 1 A 301133 Wire Asy , Switch 1 Clutch Drive Models Only ( refer to chart on page 1 ) 2 A 300064 Cover , Asy , Switch 1 37 3 B 111069 . Screw , 8 - 16 x . 375 Plastite 1 Represents Represents Represents Represents DD / 4 B 105497 . Washer , Flat , . 180 ID max 1 8 grey asy / DD black asy / DD grey asy / CD moment . switch 5 A 224246 . Contact , Switch 1 22400128 - 03 22400128 - 96 22400128 - 06 MT3310128 - 01030511171819212527444947515961837375859301 40 6 B 224245 . Button , Stop Switch 1 12400128 - 17 12400128 - 20 288888888888888888882240000128 - - - - - - - - - - - - - - - - - - - - - 60 12400128 - 49 12400128 - 50 22424001212121212121212121212121212121212121213 7 B 224914 Cover , Switch Housing 1 Represents 12400128 - 75 12400128 - 74 122400000000000000000000000000000000000000 8 B 224234 Trigger Hsg Asy , 22mm , 28 / 32 1 yellow asy / CD 61 41 22400128 - 02 9 A 111061 Screw , 6 - 19 x . 62 Fl Hd Plastite 2 1242424242424242424242424242424242424 Represents 12400128 - 10 Represents 42 10 A 300361 Trigger , Throttle 1 21211111211121122 yellow asy / DD 22400128 - 18 black asy / CD 62 * 11 A - 300149 - 01 Throttle Cable , Direct Drive 1 MT3310 22400128 - 30 MT3311132 - 8693 * 11 A - 300372 - 01 Throttle Cable , Clutch Drive 1 10 22400128 - 01 12400128 - 48 2240000132 - 29 12 - - - - - . Nut , Speed , . 188 ID 1 12400128 - 05 12400128 - 52 224 14 B 300782 - 61 Housing Asy , Clutch , 7 / 8 in . ( Black ) 1 12400128 - 11 22400128 - 58839401440000 15 A 224912 - 61 . Housing , Clutch 7 / 8 ( Black ) 1 12400128 - 19 8722812400128 - - - - - - Represents DD / 7 22400128 - 21 224001213138181 16 B 322140 . Grip 1 64 On / Off switch 8 9 35 12400128 - 25 12400000202 22400128 - 1125495961 17 A 301133 . Wire Asy , Switch 1 12400128 - 27 1240000 88812400128 - - - - 18 A 300372 - 01 . Cable Asy , Throttle 1 3 12400128 - 47 99 12400121212 40 19 A 300361 . Trigger , Throttle 1 4 22400128 - 515961738593 1240000 5 20 B 224234 . Triggger Hsg Asy , 22mm ( 28 / 32 ) 1 888212400132 - - - - - 124 44 21 A 300064 . Cover Asy , Switch 1 1240013121212 224000000 22 B 111069 . . Screw , 8 - 16 x . 375 Plastite 1 12424 23 B 105497 . . Washer , Flat , . 180 ID max 1 32 10 2 24 A 224246 . . Contact , Switch 1 25 B 224245 . Button , Stop Switch 1 26 A 111061 . Screw , 6 - 19x . 62 Fl Hd Plast 2 27 A 322234 . Sleeve , Protecting 1 6 38 39 28 A 224919 Screw , 10 - 14 x 1.0 Pn Hd 4 45 9 2 29 A 111070 Screw , 12 - 11 x . 5 Pn Hd Torx 1 34 11 / 18 30 A - 302106 Drum , Clutch , Heat Treated 1 43 31 A 300459 Kit , Clutch 1 – – 34 32 A 111054 Screw , 10 - 24 x . 625 4 – – 34 – – – – 35 * 33 B 224917 - 61 Starter Asy ( Black ) Direct Drive 1 – – 36 – – 15 34 - 224247 - 61 . Housing / Eyelet , Starter DD ( Black ) 1 – – 2 – – 37 – – 16 27 35 - - - - - . Rope Guide 1 – – 3 – – 38 – – 17 36 B 301135 . Wire Asy , Switch 1 – – 39 2 – – – – 4 – – 39 – – – – 18 37 A 322234 . Sleeve , Protecting 1 – – 40 – – 5 33 – – – 41 14 – – – 19 38 A 300475 . Spring , Starter Rewind 1 – – 21 – – 6 – – 42 – – 20 39 A 9299 - 330301 . New Direct Drive Drum / Rope Asy 1 – – 22 – – 43 40 A 323131 . . Rope , Starter , 46 in . 1 – – 21 – – – – 23 – – 44 16 / 63 41 B 218941 . Washer , Nylon 1 – – 25 – – 11 – – 24 – – 45 42 A 216792 . Handle Starter 1 11 – – – 26 – – 12 – – 46 43 B 322362 . Pulley , Retained , Direct Drive 1 – – 27 44 A 223357 . Screw , 8 - 16 Plastite 1 20 54 – – 49 – – 49 – – 45 B 322027 . Screw , Spring Retainer 1 – – 50 56 – – 51 55 * 48 B 224916 - 61 Starter Asy Clutch Drive ( Black ) 1 22 – – 52 49 B 224240 - 61 . Housing , Starter Cl Dr ( Black ) 1 23 – – 53 – – 53 – – 50 - - - - - . . Rope Guide 1 13 / 15 29 – – 54 28 24 48 – – – 55 51 A 301134 . Wire Asy , Starter Hsg , Clutch Dr 1 49 – – 56 52 A 300475 . Spring Asy , Package 1 50 30 – – 57 53 A 300872 . Drum / Rope Asy 1 31 19 54 A 323131 . . Rope , Starter , 46 in . 1 – – 58 51 55 B 218941 . Washer , Nylon 1 – – 59 56 A 216792 . Handle , Starter 1 58 57 B 224927 . Plate , Baffle , Clutch Drive 1 26 25 21 52 58 B 215533 - 01 . Grommet , H / T Lead 1 59 A 223357 . Screw , 8 - 16 Plastite 3 60 B 222914 Button , Stop 1 32 61 B 222913 Spring , Stop Button 1 62 B 222926 Wire Asy , Switch 1 63 B 322140 Grip 1 12 53 32 57 59 1 / 17 11 4 5
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STARTER / CLUTCH HOUSING ASSEMBL FIGURE 2 Y FIGURE 2 STARTER / CLUTCH HOUSING ASSEMBLY ITEM STK PART UNITS ITEM STK PART UNITS NO . CODE NUMBER DESCRIPTION PER ASY NO . CODE NUMBER DESCRIPTION PER ASY Direct Drive Models Only ( refer to chart on page 1 ) 1 A 301133 Wire Asy , Switch 1 Clutch Drive Models Only ( refer to chart on page 1 ) 2 A 300064 Cover , Asy , Switch 1 37 3 B 111069 . Screw , 8 - 16 x . 375 Plastite 1 Represents Represents Represents Represents DD / 4 B 105497 . Washer , Flat , . 180 ID max 1 8 grey asy / DD black asy / DD grey asy / CD moment . switch 5 A 224246 . Contact , Switch 1 22400128 - 03 22400128 - 96 22400128 - 06 MT3310128 - 01030511171819212527444947515961837375859301 40 6 B 224245 . Button , Stop Switch 1 12400128 - 17 12400128 - 20 288888888888888888882240000128 - - - - - - - - - - - - - - - - - - - - - 60 12400128 - 49 12400128 - 50 22424001212121212121212121212121212121212121213 7 B 224914 Cover , Switch Housing 1 Represents 12400128 - 75 12400128 - 74 122400000000000000000000000000000000000000 8 B 224234 Trigger Hsg Asy , 22mm , 28 / 32 1 yellow asy / CD 61 41 22400128 - 02 9 A 111061 Screw , 6 - 19 x . 62 Fl Hd Plastite 2 1242424242424242424242424242424242424 Represents 12400128 - 10 Represents 42 10 A 300361 Trigger , Throttle 1 21211111211121122 yellow asy / DD 22400128 - 18 black asy / CD 62 * 11 A - 300149 - 01 Throttle Cable , Direct Drive 1 MT3310 22400128 - 30 MT3311132 - 8693 * 11 A - 300372 - 01 Throttle Cable , Clutch Drive 1 10 22400128 - 01 12400128 - 48 2240000132 - 29 12 - - - - - . Nut , Speed , . 188 ID 1 12400128 - 05 12400128 - 52 224 14 B 300782 - 61 Housing Asy , Clutch , 7 / 8 in . ( Black ) 1 12400128 - 11 22400128 - 58839401440000 15 A 224912 - 61 . Housing , Clutch 7 / 8 ( Black ) 1 12400128 - 19 8722812400128 - - - - - - Represents DD / 7 22400128 - 21 224001213138181 16 B 322140 . Grip 1 64 On / Off switch 8 9 35 12400128 - 25 12400000202 22400128 - 1125495961 17 A 301133 . Wire Asy , Switch 1 12400128 - 27 1240000 88812400128 - - - - 18 A 300372 - 01 . Cable Asy , Throttle 1 3 12400128 - 47 99 12400121212 40 19 A 300361 . Trigger , Throttle 1 4 22400128 - 515961738593 1240000 5 20 B 224234 . Triggger Hsg Asy , 22mm ( 28 / 32 ) 1 888212400132 - - - - - 124 44 21 A 300064 . Cover Asy , Switch 1 1240013121212 224000000 22 B 111069 . . Screw , 8 - 16 x . 375 Plastite 1 12424 23 B 105497 . . Washer , Flat , . 180 ID max 1 32 10 2 24 A 224246 . . Contact , Switch 1 25 B 224245 . Button , Stop Switch 1 26 A 111061 . Screw , 6 - 19x . 62 Fl Hd Plast 2 27 A 322234 . Sleeve , Protecting 1 6 38 39 28 A 224919 Screw , 10 - 14 x 1.0 Pn Hd 4 45 9 2 29 A 111070 Screw , 12 - 11 x . 5 Pn Hd Torx 1 34 11 / 18 30 A - 302106 Drum , Clutch , Heat Treated 1 43 31 A 300459 Kit , Clutch 1 – – 34 32 A 111054 Screw , 10 - 24 x . 625 4 – – 34 – – – – 35 * 33 B 224917 - 61 Starter Asy ( Black ) Direct Drive 1 – – 36 – – 15 34 - 224247 - 61 . Housing / Eyelet , Starter DD ( Black ) 1 – – 2 – – 37 – – 16 27 35 - - - - - . Rope Guide 1 – – 3 – – 38 – – 17 36 B 301135 . Wire Asy , Switch 1 – – 39 2 – – – – 4 – – 39 – – – – 18 37 A 322234 . Sleeve , Protecting 1 – – 40 – – 5 33 – – – 41 14 – – – 19 38 A 300475 . Spring , Starter Rewind 1 – – 21 – – 6 – – 42 – – 20 39 A 9299 - 330301 . New Direct Drive Drum / Rope Asy 1 – – 22 – – 43 40 A 323131 . . Rope , Starter , 46 in . 1 – – 21 – – – – 23 – – 44 16 / 63 41 B 218941 . Washer , Nylon 1 – – 25 – – 11 – – 24 – – 45 42 A 216792 . Handle Starter 1 11 – – – 26 – – 12 – – 46 43 B 322362 . Pulley , Retained , Direct Drive 1 – – 27 44 A 223357 . Screw , 8 - 16 Plastite 1 20 54 – – 49 – – 49 – – 45 B 322027 . Screw , Spring Retainer 1 – – 50 56 – – 51 55 * 48 B 224916 - 61 Starter Asy Clutch Drive ( Black ) 1 22 – – 52 49 B 224240 - 61 . Housing , Starter Cl Dr ( Black ) 1 23 – – 53 – – 53 – – 50 - - - - - . . Rope Guide 1 13 / 15 29 – – 54 28 24 48 – – – 55 51 A 301134 . Wire Asy , Starter Hsg , Clutch Dr 1 49 – – 56 52 A 300475 . Spring Asy , Package 1 50 30 – – 57 53 A 300872 . Drum / Rope Asy 1 31 19 54 A 323131 . . Rope , Starter , 46 in . 1 – – 58 51 55 B 218941 . Washer , Nylon 1 – – 59 56 A 216792 . Handle , Starter 1 58 57 B 224927 . Plate , Baffle , Clutch Drive 1 26 25 21 52 58 B 215533 - 01 . Grommet , H / T Lead 1 59 A 223357 . Screw , 8 - 16 Plastite 3 60 B 222914 Button , Stop 1 32 61 B 222913 Spring , Stop Button 1 62 B 222926 Wire Asy , Switch 1 63 B 322140 Grip 1 12 53 32 57 59 1 / 17 11 4 5
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SHAFT / HANDLE / STRINGHEAD ASSEMBLY POWERHEAD ASSEMBLY FIGURE 3 FIGURE 1 ITEM STK PART UNITS ITEM STK PART UNITS NO . CODE NUMBER DESCRIPTION PER ASY NO . CODE NUMBER DESCRIPTION PER ASY – – 2 1 A 224044 Spring , Muffler 1 52 - - - - - . Bearing 2 – – 3 2 B - 224034 Kit , Muffler 1 * 53 - - - - - Piston , 28cc Aluminum 1 1 – – – – 4 3 B 111072 . Screw , 8 - 18 x . 31 Pn Dh Sl Torx 1 54 - - - - - . Pin , C’shaft Piston 1 – – 5 4 A 224228 Gasket , Muffler 1 55 - - - - - . Ring , Retaining 1 2 11 5 A 224922 Gasket , Exhaust Port 1 56 - - - - - . Ring , Piston , 35mm 1 – – 13 6 A - 302424 Kit , Spark Arrester 1 * 53 - - - - - Piston , 32cc Aluminum 1 – – 14 5 7 A 224040 . Screen , Spark Arrester 1 54 - - - - - . Pin , C’shaft Piston 1 12 – – – 15 8 A 322032 . Cover , Spark Arrester 55 - - - - - . Ring , Retaining 1 1 18 – – 16 3 9 9 A 111055 Screw , 10 - 24 x . 625 , Plast 2 56 - - - - - . Ring , Piston 1 19 10 A 224236 Cover , Air Cleaner , Large ( Black ) 1 57 A 111065 Screw , 10 - 24 x . 688 Tri Rnd 4 – – 17 10 11 A 224237 Cover , Air Cleaner 58 A 322030 Shield Muffler 1 , Small ( Black ) 1 – – 1 12 A 224239 Filter , Air 1 * 59 A 300452 Cylinder / Gasket , 28cc Chrome 1 17 – – – 19 4 13 A 111058 Nut , 10 - 24 Hex , Flange 2 60 A 224022 . Gasket , Cylinder 1 – – 20 14 A 224238 Box , Air ( Blk ) 1 * 59 A 300453 Cylinder / Gasket , 32cc Chrome 1 15 A 224242 - 02 Primer , Remote 1 60 A 224022 . Gasket , Cylinder 1 17 16 A 225163 Hose , Fuel Return 1 61 B 224235 Cover , Cylinder / Muffler ( Black ) 1 – – 24 32 – – 22 22 – 17 - FIGURE 3 Carburetor w / Choke 62 B 322210 Washer , 1 Plastic 1 – – 25 – – 23 – – 18 A 218933 Gasket , Carburetor 1 63 B 111067 Screw , 10 - 24 x . 63 Sl Torx Tp 2 – – 26 24 19 A - 224041 - 02 Insulator , Carburetor 1 64 B 111068 Screw , 10 - 14 x 1.38 Taptite 1 20 A 111053 Screw , 10 - 24 x . 88 Thd Form 2 65 A 93469 Washer , . 469OD / . 222ID 1 21 B 111057 Screw , 10 - 24 Spl 2 66 A 92879 Spark Plug , RDJ8J 1 31 19 22 A 322031 Gasket , Manifold 1 67 A 224023 Gasket , C’case 1 23 A 302349 Tank , Fuel ( Natural ) 1 68 A - 224024 - 01 Plug , C’case 1 20 24 A - 216985 . Filter , Fuel 1 69 C - 322437 - 90 Plate , C’case , Coated Finish 1 25 A 225162 . Hose , Fuel 1 70 A 111065 Screw , 10 - 24 x . 688 Tri Rnd 5 26 A 225163 . Hose , Fuel Return 1 71 - - - - - Label , Choke ( Vertical ) 1 22 27 A - 223508 . Cap , Fuel , w / Retainer 1 72 - - - - - Label , Staring Inst ( Eng ) for 13 28 A 322105 Isolator , Fuel Tank 4 models with slide to stop switch 1 23 29 A 301114 Kit , Spacer , Clutch 1 73 - FIGURE 2 Starter / Clutch Housing Asy 1 14 30 C 322847 . Nut , Hex , 7 / 16 - 20 1 31 B 322844 . Washer , Shaft 1 16 32 A - 301352 - 01 Kit , Flywheel , 28 / 32 1 15 Direct Drive Models Only ( refer to chart on page 1 ) 33 B 550001 Kit , Pawls / Flywheel 1 Clutch Drive Models Only ( refer to chart on page 1 ) 34 - - - - - . Pawl , Starter 2 28cc Models Only ( refer to chart on page 1 ) 35 - - - - - . Spring , Starter Pawl 2 32cc Models Only ( refer to chart on page 1 ) 36 - - - - - . Ring , Retainer 2 Not Used On These Models 37 B 111085 . Nut , Direct Drive 1 ITEM STK PART UNITS ITEM STK PART UNITS 38 C 322847 . Nut , 7 / 16 - 20 , Clutch Drive 1 Represents a Represents a Represents ba NO . CODE NUMBER DESCRIPTION PER ASY NO . CODE NUMBER DESCRIPTION PER ASY 39 A 102164 Key , Flywheel 1 large black air small black air terminal ta box box MT3311128 - 02061011180 40 A 111053 Screw , 10 - 24 x . 88 Thd Form 2 44 ” Shaft Models Only ( refer to chart on page 1 ) 1 B 300834 Handle , Delta Kit 1 MT3311 MT3310 8882240000128 - - - - - 2 41 B 300321 Terminal Tab 1 48 ” Shaft Models Only ( refer to chart on page 1 ) 2 - - - - - . Assist Handle w / Cap Asy 1 22400128 - 03 22400128 - 01 224240012121228 42 A 302138 Ignition Asy 1 3 - - - - - . Knob 1 22400128 - 06 22400128 - 02 1224000001 Represents a 12400128 - 52 90002817 - 0000 43 A 223884 . Kit , Spark Plug Wire 1 4 B 9075 - 99 . Bolt , 1 / 4 in . - 20 x 2.5 Hx Cap 1 22400128 - 11 12400128 - 0510 delta handle 22400128 - 58 90002818 - 44 A 102556 . . Connector , Spark 1 5 B 13035 - 99 . Nut , 1 / 4 in . - 20 x . 226T 1 22400128 - 17 12400128 - 22440 MT3310 2400132 - 59 45 A 95266 . . Boot , Spark Plug 1 9 B 215337 Clamp , Handle 2 22400128 - 18 22400128 - 19 12 MT3311 22400128 - 735838593949697014486940000 Represents a 46 B 215533 - 01 . . Grommet , H / T Lead , Split 1 10 A 217935 Screw 2 12400128 - 20 12400128 - 21 12400128 - 2528304849505258596174839444869300 22400128 - 01 6522228888812400128 - 7 - - - - - - - - - - - - J - handle128 - 0611182025485061 47 B 110995 . . Grommet , S / Plug Wire 1 11 A 218315 Nut , 10 - 24 2 12400128 - 25 12400128 - 27 82228888888888812400128 - - - - - - - - - - - - - - - - 22400128 - 02 12400128212121212131313138181 8888882240000128 - - - - - - - 48 B 111067 Screw , 10 - 24x . 63 SlTorTp 3 12400128 - 49 12400128 - 28 12400121212121212121212121213131381 12 A 300651 Kit , Stringhead , Small 1 22400128 - 03 1240010000000000000000202 2242400121212121212 12400128 - 50 12400128 - 30 1240000000000000000000000000002 49 B 224042 Shroud , Engine 1 22400128 - 05 224042423242424240000 13 A 322025 . Housing / Eyelet Asy w / Collar 1 22240000000000 22400128 - 58 12400128 - 47 124242424242424242424242400 22400128 - 10 2221212299 * 50 B 224701 Short Block Asy , Direct Drive 1 14 A - 324089 . Spring , McC Stringhead 1 12400128 - 59 12400128 - 48 111111121229 22400128 - 1719212730474951 - - - - - . C’case Asy 1 15 A 300688 . Kit , Line on Spool , M - Sm 1 124242424 12400128 - 61 22400128 - 5152587385939496970025000000 88888822400128 - - - - - - - - - - - - . C’case , Machined 1 212 16 A - 300736 - 01 . Kit , Knob Asy , Small 1 12400128 - 74 87655888888812400128 - - - - - - - - - - - - - 22400121212121212 - - - - - . . Bearing 6202 1 * 17 A 300429 Housing Asy , Outer , 44 ” 1 12400128 - 75 12400121212121212128181818181 2240000000000 - - - - - . . Bearing 6202RS 1 18 - - - - - . Clip , Spring External 2 12400128 - 83 1240000000000000202020202 124242424 - - - - - . . Seal 1 * 17 A 300424 Housing Asy , Outer , 48 ” 1 12400132 - 01 124242424240000000000 112 12400128 - 4950 - - - - - . . Spacer 1 18 - - - - - . Clip , Spring External 2 12400132 - 44 222299999 12400128 - - - - - - . . O - ring 1 22400132 - 93 * 19 A - 301023 Shaft , Flex , Plus Clip , 44 ” 1 * 50 B - 224703 Short Block Asy , Clutch Drive 1 * 19 A 301024 Shaft , Flex , Plus Clip , 48 ” 1 - - - - - . C’shaft Asy 1 20 A 224062 Shield Asy , Grass , R , 17in . 1 - - - - - . C’case , Machined 1 21 A 300626 . Kit , Knife 1 - - - - - . . Bearing 6202 1 22 - - - - - . . Cutter 1 - - - - - . . Bearing 6202RS 1 23 - - - - - . . Nut , Lock 10 - 24 Hex 2 Represents a - - - - - . . Seal 1 24 - - - - - . . Screw , 10 - 24 x . 50 Torx 2 large green - - - - - . . Spacer 1 31 A 216595 Screw , M6 x 1.0 Hex 1 air box - - - - - . . O Ring 1 32 A 111102 Nut , Wing M6 x 1.0 1 22400132 - 86 51 - - - - - Rod , Connecting Asy 1 6 3
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CARBURETOR ASSEMBLY POWERHEAD ASSEMBLY FIGURE 1 FIGURE 4 21 20 63 62 5 61 5 63 73 22 16 21 22 17 14 1 19 7 32 3 6 65 17 27 15 2 7 8 73 64 30 3 34 2 6 8 25 66 9 25 24 14 31 19 1 13 28 30 11 9 38 59 36 10 18 34 29 23 12 35 31 24 30 33 12 10 26 2 24 20 47 26 7 28 32 29 36 8 4 31 46 15 27 43 37 5 19 3 35 44 45 18 – – 34 13 33 37 / 38 40 56 29 – – 2 – – 33 – – – – 35 2 – – 1 16 – – 3 4 41 32 – – – 37 – – 36 11 53 4 – – 38 23 – – 7 54 6 – – 22 42 – – 8 – – 44 55 34 – – 42 – – 45 42 – 35 – – 43 – – 52 – – 23 ITEM STK ITEM STK PART UNITS PART UNITS – – 46 – – 24 – – 47 NO . CODE NUMBER DESCRIPTION PER ASY NO . CODE NUMBER DESCRIPTION PER ASY 51 23 – – – 25 A - 323602 - 03 Carburetor , Walbro WT 434 1 A - 323602 - 03 Carburetor , Zama C1U M29D 1 52 – – 26 1 - - - - . Ring , Screen Retainer 1 1 - - - - . Ring , Screen Retainer 1 – – 51 32 36 51 – – – 27 2 - - - - . Ring , Shaft Retainer 1 2 - - - - . Collar 1 – – 52 60 3 - - - - . Lever , Throttle 1 3 - - - - . Lever , Throttle 1 4 - - - - . Cover , Metering Lever 1 4 - - - - . Cover , Metering Lever 1 – – 29 48 – – 53 5 B 300072 . Cover , Fuel Pump 1 5 B 300456 . Cover , Fuel Pump 1 11 29 – – – 30 6 - - - - . Shaft Asy , Throttle 1 6 - - - - . Shaft Asy , Throttle 1 – – 54 49 39 12 53 – 50 – – 31 58 7 - - - - . Valve , Throttle 1 7 - - - - . Valve , Throttle 1 – – 55 8 - - - - . Shaft Asy , Choke 1 8 - - - - . Shaft Asy , Choke 1 – – 56 10 9 - - - - . Valve , Choke 1 9 - - - - . Valve , Choke 1 72 10 - - - - . Valve , Inlet Needle 1 10 - - - - . Valve , Inlet Needle 1 – – 59 22 11 - - - - . Seat Asy , Check Valve 1 11 - - - - . Plug , Welch 1 59 – 57 – – 60 12 - - - - . Plug , Cup 1 12 - - - - . Ball , Choke Friction 1 67 13 - - - - . Plug , Welch 1 13 - - - - . Gasket , Metering Diaphragm 1 9 14 - - - - . Ball , Choke Friction 1 14 - - - - . Gasket , Fuel Pump 1 21 71 15 - - - - . Gasket , Metering Diaphragm 1 15 - - - - . Diaphragm , Fuel Pump 1 68 9 16 - - - - . Gasket , Fuel Pump 1 16 - - - - . Diaphragm Asy , Metering 1 19 17 - - - - . Diaphragm , Fuel Pump 1 17 - - - - . Screw , Valve 1 18 - - - - . Diaphragm Asy , Metering 1 18 - - - - . Screw , Valve 1 69 20 19 - - - - . Screw , Valve 2 19 - - - - . Screw , Metering Lever Pin 1 70 20 - - - - . Screw , Metering Lever Pin 1 20 - - - - . Screw , Pump Cover 2 18 21 - - - - . Screw , Pump Cover 1 21 - - - - . Screw , Idle Adjust Kit 1 22 - - - - . Spring , Idle Adjust Kit 1 22 - - - - . Screw , Metering Cover 2 23 - - - - . Screw , Metering Cover 4 23 - - - - . Spring , Choke Friction 1 24 A - - - - . Spring , Choke Friction 1 24 - - - - . Spring Needle 2 25 - - - - . Spring , Idle Needle 1 25 - - - - . Spring , Throttle Return 1 26 - - - - . Spring , High Speed Needle 1 26 - - - - . Spring , Metering Lever 1 17 27 - - - - . Spring , Throttle Return 1 27 - - - - . Needle , High Speed 1 28 - - - - . Spring , Metering Lever 1 28 - - - - . Needle , Low Speed 1 23 13 28 29 - - - - . Needle , High Speed 1 29 - - - - . Screen , Check Valve 1 14 30 - - - - . Needle , Low Speed 1 30 - - - - . Screen , Fuel Inlet 1 26 31 - - - - . Screen , Check Valve 2 31 - - - - . Pin , Metering Lever 1 32 - - - - . Screen , Fuel Inlet 1 32 - - - - . Lever , Metering 1 33 - - - - . Pin , Metering Lever 1 33 - - - - . Nozzle Asy , Check Valve 1 34 - - - - . Lever , Metering 1 34 - - - - . Screw , Throttle Lever 1 27 35 - - - - . Ring , High Speed 1 35 B 323603 . Cap , Limiter , High , Black 1 36 - - - - . Washer , High Speed 1 36 B 323604 . Cap , Limiter , Low , White 1 16 37 B 323601 . Cap , Limiter , High , Black 1 15 38 B 323602 . Cap , Limiter , Low , White 1 300454 Kit , Major Repair RB - 48 ( Stk Code B ) 300457 Kit , Major Repair A1117WT ( Stk Code A ) 24 300473 Kit , Gasket / Diaphragm GND - 13 ( Stk Code A ) 25 324460 Kit , Gasket / Diaphragm B1106WT ( Stk Code A ) 322358 Kit , Choke Lever 40 - 999 ( Stk Code A ) 322363 Kit , Choke Lever 40 - 999 ( Stk Code A ) 2 7
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P.O . Box 31567 • Tucson Arizona 85751 - 1567 • U.S.A . 28cc and 32cc GAS POWERED CURVED SHAFT • MANUFACTURING • SALES • SERVICE • STRING TRIMMERS FOR WARRANTY OR SERVICE , ( †) SERIAL CONTACT THE NEAREST McCULLOCH AUTHORIZED SERVICE CENTER MODEL NUMBER MODEL ENGINE NAME PREFIX NUMBER SIZE DRIVE SHAFT HANDLE LISTED UNDER ‘ SAWS ’ IN YOUR TELEPHONE DIRECTORY YELLOW PAGES . MT3310 - - 28cc DIRECT 44 ” D MT3311 - - 32cc CLUTCH 48 ” D IF FURTHER ASSISTANCE IS REQUIRED CALL THIS TOLL - FREE HOT LINE . MAC 1385L 22 - 400132 - 93 32cc CLUTCH 48 ” D PLEASE REFERENCE YOUR MODEL AND SERIAL NUMBER . MAC 2816 12 - / 22 - 400128 - 01 28cc DIRECT 44 ” D MAC 2816 12 - / 22 - 400128 - 19 28cc DIRECT 44 ” D MAC 2816 12 - / 22 - 400128 - 21 28cc DIRECT 44 ” D 1 - 800 - 521 - 8559 MAC 2816 12 - / 22 - 400128 - 27 28cc DIRECT 44 ” D MAC 2816 12 - / 22 - 400128 - 51 28cc DIRECT 44 ” D MONDAY - FRIDAY - 6 : 00 AM - 4 : 30 PM ( MST ) MAC 2816 12 - / 22 - 400128 - 73 28cc DIRECT 44 ” D MAC 2816 12 - 400128 - 85 28cc DIRECT 44 ” D www.mccullochpower.com MAC 2816 12 - / 22 - 400128 - 93 28cc DIRECT 44 ” D MAC 2816 22 - 400128 - 97 28cc DIRECT 44 ” D MAC 2818 12 - / 22 - 400128 - 02 28cc CLUTCH 48 ” D MAC 2818 12 - / 22 - 400128 - 30 28cc CLUTCH 48 ” D McCulloch products are identified by a model number ( in this instance MAC 2818 12 - / 22 - 400128 - 58 28cc CLUTCH 48 ” D 400128 ) followed by a suffix number ( 01 ) . Suffix numbers denote ENGINE SPECIFICATIONS TORQUE SPECIFICATIONS MAC 2818 12 - / 22 - 400128 - 94 28cc CLUTCH 48 ’ D variations in parts or assemblies used in the manufacture of this Eager Beaver 282 12 - 400128 - 05 28cc DIRECT 44 ” D FASTENER FIG / TORQUE Engine Type . . . . . . . . . . . . . . . . . Air - Cooled , Two Cycle , Single product . Eager Beaver 282 12 - 400128 - 47 28cc DIRECT 44 ” D DESCRIPTION PART NO . ITEM ( IN / LBS ) LOCTITE Chrome Cylinder Illustrated Parts Lists ( IPLs ) contain a PART NUMBER , DESCRIPTION , Eager Beaver 287 12 - 400128 - 10 28cc CLUTCH 48 ” D UNITS per assembly and STOCKING CODE for each part . C’Case to Cylinder 111065 1 / 57 55 - 60 242 Displacement . . . . . . . . . . . . . . . . 28cc or 32cc Eager Beaver 287 12 400128 - 28 28c CLUTCH 48 ” D Stocking Codes are : C’Case to Plast Plug 111065 1 / 70 35 - 40 242 Idle RPM , Direct Dr . . . . . . . . . . . 3000 - 3500 RPM Eager Beaver 287 12 - 400128 - 48 28cc CLUTCH 48 ” J A - Dealer stocked . Fast to medium moving part . Insulator to Cylinder 111053 1 / 20 45 - 50 242 Eager Beaver 287 12 - 400128 - 52 28cc CLUTCH 48 ” D Idle RPM , Clutch Dr . . . . . . . . . . . 2700 - 3000 RPM B - Distributor stocked . Medium to slow moving part . ProMac I Super 12 - / 22 - 400132 - 01 32cc DIRECT 48 ” J Shroud to C’Case 111067 1 / 48 55 - 60 242 Maximum RPM . . . . . . . . . . . . . . 7000 - 8000 RPM C - Factory stocked . Slow moving part . ProMac I Super 12 - 400132 - 44 32cc DIRECT 48 ” D Ignition Asy 111053 1 / 40 45 - 50 242 Compression , PSI . . . . . . . . . . . . 28cc = 80 PowerPro P1528 22 - 400128 - 96 28cc DIRECT 44 ” D Carburetor 111058 1 / 13 25 - 30 - - ( after 10 pulls , thr’tl full open ) . . . 32cc = 90 PowerPro P1732C 22 - 400132 - 86 32cc CLUTCH 44 ” D NOTE : The following explains symbols and footnotes in this IPL : Roadrunner III 12 - / 22 - 400128 - 11 28cc DIRECT 44 ” J Spark Plug 92879 1 / 66 110 - 120 - - Ignition . . . . . . . . . . . . . . . . . . . . Electronic A dash preceding a PART NUMBER indicates that it is a ( - ) Roadrunner III 12 - / 22 - 400128 - 18 28cc CLUTCH 44 ” J new part number , different from the one listed in the Flywheel Nut 111085 1 / 37 140 - 145 242 Flywheel to Ignition Gap . . . . . . . . 0.007 - 0.012 in . previous IPL for this unit . Roadrunner III 12 - 400128 - 25 28cc DIRECT 44 ” J Flywheel Nut 322847 1 / 38 140 - 145 242 Spark Plug . . . . . . . . . . . . . . . . . . Champion RDJ8J Roadrunner III 12 - 400128 - 59 28cc DIRECT 44 ” D One or more dots ( . Spring , Starter ) preceding a part ( . ) Roadrunner III 12 - / 22 - 400128 - 61 28cc DIRECT 48 ” J Starter Housing 111054 2 / 32 30 - 35 - - Spark Plug Gap . . . . . . . . . . . . . . 0.025 in . ( 0.63mm ) DESCRIPTION indicates the part is included in the kit or Roadrunner III 12 - 400128 - 83 28cc CLUTCH 44 ” D assembly described directly above the dot ( s ) . Clutch Housing 224919 2 / 28 30 - 35 - - Fuel Tank Capacity . . . . . . . . . . . . 24 oz . ( 71ml ) Silver Eagle 28 12 - / 22 - 400128 - 03 28cc DIRECT 44 ” D Fuel Type . . . . . . . . . . . . . . . . . . . Unleaded - Regular Grade If four dashes appear in place of a PART NUMBER , the ( - - - - ) Silver Eagle 28C 12 - / 22 - 400128 - 06 28cc CLUTCH 48 ” J part is not available individually but is included in the next Silver Eagle 28 12 - / 22 - 400128 - 17 28cc DIRECT 44 ” D Fuel to Oil Ratio . . . . . . . . . . . . . . 40 : 1 McCulloch Custom Lubricant higher assembly or subassembly . Silver Eagle 28C 12 - / 22 - 400128 - 20 28cc CLUTCH 48 ” J Dry Weight . . . . . . . . . . . . . . . . . . 44 ” = 9.9 lbs Silver Eagle 28 12 - 400128 - 49 28cc DIRECT 44 ” D Circled numbers preceding a DESCRIPTION footnote the 48 ” = 13.6 lbs part or assembly to additional information on the page . Silver Eagle 28C 12 - 400128 - 50 28cc DIRECT 48 ” J Carburetor . . . . . . . . . . . . . . . . . . Diaphragm with Primer Silver Eagle 28C 12 - 400128 - 74 28cc CLUTCH 48 ” J An asterisk denotes that choices follow or precede . ( * ) Silver Eagle 28 12 - 400128 - 75 28cc DIRECT 44 ” D Starter Cord . . . . . . . . . . . . . . . . . Nylon , Type 3.5 , Length 46 in . FR 15 ” DD 44 ” 90 - 002815 - 00 28cc DIRECT 44 ” D Serial Number Prefix 22 - denotes CARB approved unit - - ( †) FR 15 ” DD 44 ” 90 - 002816 - 00 28cc DIRECT 44 ” D all parts are interchangeable with Serial Number Prefix 12 - . FR 17 ” CD 48 ” 90 - 002817 - 00 28cc CLUTCH 48 ” D FR 17 ” CD 48 ” 90 - 002818 - 00 28cc CLUTCH 48 ” D The policy of McCulloch is one of continual improvement in design , manufacturing and engineering advancement wherever possible to MARCH 2003 assure still finer power tools . Hence , specifications , equipment colors , design and manufacturer’s suggested list prices are subject to change ILLUSTRATED PARTS LIST without notice . McCulloch reserves the right to make such changes without prior notification or obligation to backfit or supply backfit components for units previously shipped from the factory . P.O . Box 31567 Tucson , Arizona 85751 - 1567 • U.S.A . McCulloch 2003 • Printed in U.S.A . PN 211703 - 03