28cc and cc GAS POWERED CURVED SHAFT STRING TRIMMERS ( )SERIAL MODEL NUMBER MODEL ENGINE NAME PREFIX NUMBER SIZE DRIVE SHAFT HANDLE MT10 - - 28cc DIRECT D MT - - cc CLUTCH 8 D MAC 18L - 001- cc CLUTCH 8 D MAC 2816 12- / - 00128-01 28cc DIRECT D MAC 2816 12- / - 00128-1 28cc DIRECT D MAC 2816 12- / - 00128-21 28cc DIRECT D MAC 2816 12- / - 00128-27 28cc DIRECT D MAC 2816 12- / - 00128-1 28cc DIRECT D MAC 2816 12- / - 00128-7 28cc DIRECT D MAC 2816 12-00128-8 28cc DIRECT D MAC 2816 12- / - 00128-28cc DIRECT D MAC 2816-00128-7 28cc DIRECT D MAC 2818 12- / - 00128-02 28cc CLUTCH 8 D MAC 2818 12- / - 00128-0 28cc CLUTCH 8 D MAC 2818 12- / - 00128-8 28cc CLUTCH 8 D MAC 2818 12- / - 00128-28cc CLUTCH 8 D Eager Beaver 282 12-00128-0 28cc DIRECT D Eager Beaver 282 12-00128-7 28cc DIRECT D Eager Beaver 287 12-00128-10 28cc CLUTCH 8 D Eager Beaver 287 12 00128-28 28c CLUTCH 8 D Eager Beaver 287 12-00128-8 28cc CLUTCH 8 J Eager Beaver 287 12-00128-2 28cc CLUTCH 8 D ProMac I Super 12- / - 001-01 cc DIRECT 8 J ProMac I Super 12-001- cc DIRECT 8 D PowerPro P128-00128-6 28cc DIRECT D PowerPro P17C - 001-86 cc CLUTCH D Roadrunner III 12- / - 00128-28cc DIRECT J Roadrunner III 12- / - 00128-18 28cc CLUTCH J Roadrunner III 12-00128-2 28cc DIRECT J Roadrunner III 12-00128- 28cc DIRECT D Roadrunner III 12- / - 00128-61 28cc DIRECT 8 J Roadrunner III 12-00128-8 28cc CLUTCH D Silver Eagle 28 12- / - 00128-0 28cc DIRECT D Silver Eagle 28C 12- / - 00128-06 28cc CLUTCH 8 J Silver Eagle 28 12- / - 00128-17 28cc DIRECT D Silver Eagle 28C 12- / - 00128-28cc CLUTCH 8 J Silver Eagle 28 12-00128- 28cc DIRECT D Silver Eagle 28C 12-00128-0 28cc DIRECT 8 J Silver Eagle 28C 12-00128-7 28cc CLUTCH 8 J Silver Eagle 28 12-00128-7 28cc DIRECT D FR 1 DD 0-00281-00 28cc DIRECT D FR 1 DD 0-002816-00 28cc DIRECT D FR 17 CD 8 0-002817-00 28cc CLUTCH 8 D FR 17 CD 8 0-002818-00 28cc CLUTCH 8 D MARCH 0 ILLUSTRATED PARTS LIST P.O. Box 167 Tucson, Arizona 871-167 U.S.A. McCulloch products are identified by a model number (in this instance 00128) followed by a suffix number (01). Suffix numbers denote variations in parts or assemblies used in the manufacture of this product. Illustrated Parts Lists (IPLs) contain a PART NUMBER, DESCRIPTION, UNITS per assembly and STOCKING CODE for each part. Stocking Codes are: A - Dealer stocked. Fast to medium moving part. B - Distributor stocked. Medium to slow moving part. C - Factory stocked. Slow moving part. NOTE: The following explains symbols and footnotes in this IPL: (-) A dash preceding a PART NUMBER indicates that it is a new part number, different from the one listed in the previous IPL for this unit. (.) One or more dots (. Spring, Starter) preceding a part DESCRIPTION indicates the part is included in the kit or assembly described directly above the dot(s). (-- --) If four dashes appear in place of a PART NUMBER, the part is not available individually but is included in the next higher assembly or subassembly. Circled numbers preceding a DESCRIPTION footnote the part or assembly to additional information on the page. (*) An asterisk denotes that choices follow or precede. ( ) Serial Number Prefix - denotes CARB approved unit -- all parts are interchangeable with Serial Number Prefix 12-. The policy of McCulloch is one of continual improvement in design, manufacturing and engineering advancement wherever possible to assure still finer power tools. Hence, specifications, equipment colors, design and manufacturer s suggested list prices are subject to change 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. McCulloch 0 Printed in U.S.A. PN 270-0
FIGURE 1 POWERHEAD ASSEMBLY 6 62 7 6 61 1 6 7 6 66 7/8 2 1 0 0 1 6 8 12 72 10 71 1 2 21 7 6 1 6 2 2 60 0 8 7 67 2 2 2 7 6 8 2 26 27 2 2 0 1 68 7 8 7 6 8 2 2 6 7 1 1 2 6 60 18 6 70 17 1 1 26 28 27 1 16 2 2
POWERHEAD ASSEMBLY 1 A Spring, Muffler 1 2 B - Kit, Muffler 1 B 1072. Screw, 8-18 x.1 Pn Dh Sl Torx 1 A 28 Gasket, Muffler 1 A 2 Gasket, Exhaust Port 1 6 A -0 Kit, Spark Arrester 1 7 A 0. Screen, Spark Arrester 1 8 A 0. Cover, Spark Arrester 1 A 10 Screw, 10- x.62, Plast 2 10 A 6 Cover, Air Cleaner, Large (Black) 1 A 7 Cover, Air Cleaner, Small (Black) 1 12 A Filter, Air 1 1 A 108 Nut, 10- Hex, Flange 2 1 A 8 Box, Air (Blk) 1 1 A -02 Primer, Remote 1 16 A 16 Hose, Fuel Return 1 17 - FIGURE Carburetor w/choke 1 18 A 218 Gasket, Carburetor 1 1 A -1-02 Insulator, Carburetor 1 A 10 Screw, 10- x.88 Thd Form 2 21 B 107 Screw, 10- Spl 2 A 01 Gasket, Manifold 1 A 0 Tank, Fuel (Natural) 1 A -2168. Filter, Fuel 1 2 A 162. Hose, Fuel 1 26 A 16. Hose, Fuel Return 1 27 A -08. Cap, Fuel, w/retainer 1 28 A 10 Isolator, Fuel Tank 2 A 01 Kit, Spacer, Clutch 1 0 C 87. Nut, Hex, 7/16-1 1 B 8. Washer, Shaft 1 A - 01-01 Kit, Flywheel, 28/ 1 B 0001 Kit, Pawls/Flywheel 1 - -- --. Pawl, Starter 2 - -- --. Spring, Starter Pawl 2 6 - -- --. Ring, Retainer 2 7 B 108. Nut, Direct Drive 1 8 C 87. Nut, 7/16-, Clutch Drive 1 A 10216 Key, Flywheel 1 0 A 10 Screw, 10- x.88 Thd Form 2 1 B 001 Terminal Tab 1 2 A 0218 Ignition Asy 1 A 88. Kit, Spark Plug Wire 1 A 1026.. Connector, Spark 1 A 266.. Boot, Spark Plug 1 6 B 21-01.. Grommet, H/T Lead, Split 1 7 B 0.. Grommet, S/Plug Wire 1 8 B 1067 Screw, 10-x.6 SlTorTp B 2 Shroud, Engine 1 *0 B 2701 Short Block Asy, Direct Drive 1 - -- --. C case Asy 1 - -- --. C case, Machined 1 - -- --.. Bearing 62 1 - -- --.. Bearing 62RS 1 - -- --.. Seal 1 - -- --.. Spacer 1 - -- --.. O-ring 1 *0 B - 270 Short Block Asy, Clutch Drive 1 - -- --. C shaft Asy 1 - -- --. C case, Machined 1 - -- --.. Bearing 62 1 - -- --.. Bearing 62RS 1 - -- --.. Seal 1 - -- --.. Spacer 1 - -- --.. O Ring 1 1 - -- -- Rod, Connecting Asy 1 FIGURE 1 2 - -- --. Bearing 2 * - -- -- Piston, 28cc Aluminum 1 - -- --. Pin, C shaft Piston 1 - -- --. Ring, Retaining 1 6 - -- --. Ring, Piston, mm 1 * - -- -- Piston, cc Aluminum 1 - -- --. Pin, C shaft Piston 1 - -- --. Ring, Retaining 1 6 - -- --. Ring, Piston 1 7 A 106 Screw, 10- x.688 Tri Rnd 8 A 00 Shield Muffler 1 * A 002 Cylinder/Gasket, 28cc Chrome 1 60 A. Gasket, Cylinder 1 * A 00 Cylinder/Gasket, cc Chrome 1 60 A. Gasket, Cylinder 1 61 B Cover, Cylinder/Muffler (Black) 1 62 B 10 Washer, Plastic 1 6 B 1067 Screw, 10- x.6 Sl Torx Tp 2 6 B 1068 Screw, 10-1 x 1.8 Taptite 1 6 A 6 Washer,.6OD/.2ID 1 66 A 287 Spark Plug, RDJ8J 1 67 A Gasket, C case 1 68 A - -01 Plug, C case 1 6 C - 7-0 Plate, C case, Coated Finish 1 70 A 106 Screw, 10- x.688 Tri Rnd 71 - -- -- Label, Choke (Vertical) 1 72 - -- -- Label, Staring Inst (Eng) for models with slide to stop switch 1 7 - FIGURE 2 Starter/Clutch Housing Asy 1 Direct Drive Models Only (refer to chart on page 1) Clutch Drive Models Only (refer to chart on page 1) 28cc Models Only (refer to chart on page 1) cc Models Only (refer to chart on page 1) Not Used On These Models a large black air box MT 0128-0 0128-06 0128-0128-17 0128-18 100128-100128-2 100128-0 0128-8 100128-100128-61 100128-7 100128-7 100128-8 1001-01 1001-01- a small black air box MT10 0128-01 0128-02 100128-0 100128-10 0128-1 100128-21 100128-27 100128-28 100128-0 100128-7 100128-8 0128-1 100128-2 100128-8 100128-7 100128-8 0128-0128- 0128-6 0128-7 000281-00 000281-2 0002816-00 0002817-00 0002818-00 a terminal tab MT 0128-02 0128-06 100128-10 0128-0128-18 100128-100128-2 100128-28 100128-0 100128-8 100128-0 100128-2 100128-8 100128-100128-61 100128-7 100128-8 0128-1001- 01-86 01-0002818-00 a large green air box 01-86
FIGURE 2 STARTER/CLUTCH HOUSING ASSEMBLY 7 8 1 0 60 61 10 2 2 62 6 8 7 0 10 6 2 /18 8 1 16/6 2 27 28 1/1 0 1 0 6 2 2 6 12 1 16 17 18 1 1 21 21 2 26 27 1 6 7 8 0 1 2 6 0 1 2 8 6 7 8 2 21 26 2 8 12 1/17 7
STARTER/CLUTCH HOUSING ASSEMBLY 1 A 0 Wire Asy, Switch 1 2 A 0006 Cover, Asy, Switch 1 B 106. Screw, 8-16 x.7 Plastite 1 B 107. Washer, Flat,.180 ID max 1 A 26. Contact, Switch 1 6 B 2. Button, Stop Switch 1 7 B 21 Cover, Switch Housing 1 8 B Trigger Hsg Asy, mm, 28/ 1 A 1061 Screw, 6-1 x.62 Fl Hd Plastite 2 10 A 0061 Trigger, Throttle 1 * A - 001-01 Throttle Cable, Direct Drive 1 * A - 0072-01 Throttle Cable, Clutch Drive 1 12 - -- --. Nut, Speed,.188 ID 1 1 B 00782-61 Housing Asy, Clutch, 7/8 in.(black) 1 1 A 212-61. Housing, Clutch 7/8 (Black) 1 16 B 10. Grip 1 17 A 0. Wire Asy, Switch 1 18 A 0072-01. Cable Asy, Throttle 1 1 A 0061. Trigger, Throttle 1 B. Triggger Hsg Asy, mm (28/) 1 21 A 0006. Cover Asy, Switch 1 B 106.. Screw, 8-16 x.7 Plastite 1 B 107.. Washer, Flat,.180 ID max 1 A 26.. Contact, Switch 1 2 B 2. Button, Stop Switch 1 26 A 1061. Screw, 6-1x.62 Fl Hd Plast 2 27 A. Sleeve, Protecting 1 28 A 21 Screw, 10-1 x 1.0 Pn Hd 2 A 1070 Screw, 12- x. Pn Hd Torx 1 0 A - 02106 Drum, Clutch, Heat Treated 1 1 A 00 Kit, Clutch 1 A 10 Screw, 10- x.62 * B 217-61 Starter Asy (Black) Direct Drive 1-27-61. Housing/Eyelet, Starter DD (Black) 1 - -- --. Rope Guide 1 6 B 0. Wire Asy, Switch 1 7 A. Sleeve, Protecting 1 8 A 007. Spring, Starter Rewind 1 A 2-001. New Direct Drive Drum/Rope Asy 1 0 A.. Rope, Starter, 6 in. 1 1 B 2181. Washer, Nylon 1 2 A 21672. Handle Starter 1 B 62. Pulley, Retained, Direct Drive 1 A 7. Screw, 8-16 Plastite 1 B 027. Screw, Spring Retainer 1 *8 B 216-61 Starter Asy Clutch Drive (Black) 1 B -61. Housing, Starter Cl Dr (Black) 1 0 - -- --.. Rope Guide 1 1 A 0. Wire Asy, Starter Hsg, Clutch Dr 1 2 A 007. Spring Asy, Package 1 A 00872. Drum/Rope Asy 1 A.. Rope, Starter, 6 in. 1 B 2181. Washer, Nylon 1 6 A 21672. Handle, Starter 1 7 B 7. Plate, Baffle, Clutch Drive 1 8 B 21-01. Grommet, H/T Lead 1 A 7. Screw, 8-16 Plastite 60 B 21 Button, Stop 1 61 B 21 Spring, Stop Button 1 62 B 6 Wire Asy, Switch 1 6 B 10 Grip 1 Direct Drive Models Only (refer to chart on page 1) Clutch Drive Models Only (refer to chart on page 1) FIGURE 2 grey asy/dd 0128-0 100128-17 100128-7 yellow asy/dd MT10 0128-01 100128-0 100128-100128-1 0128-21 100128-2 100128-27 100128-7 0128-1 1001-1001-61 0128-7 100128-8 0128- black asy/dd 0128-6 yellow asy/cd 0128-02 100128-10 0128-18 0128-0 100128-8 100128-2 0128-8 100128-8 0128-1001-01 1001-0002817-00 0002818-00 grey asy/cd 0128-06 100128-100128-0 100128-7 black asy/cd MT 01-86 01- DD/ On/Off switch 0128-100128-2 100128-100128-61 DD/ moment. switch MT10 0128-01 0128-0 100128-0 0128-100128-17 0128-18 100128-1 0128-21 100128-2 100128-27 100128-100128-7 0128-1 100128-100128-61 100128-8 0128-7 100128-7 100128-8 0128-01-01
FIGURE SHAFT / HANDLE / STRINGHEAD ASSEMBLY 2 1 1 1 12 1 16 17 1 17 1 18 1 10 2 2 26 17 1 1 1 1 16 1 1 B 008 Handle, Delta Kit 1 2 - -- --. Assist Handle w/cap Asy 1 - -- --. Knob 1 B 07-. Bolt, 1/ in.- x 2. Hx Cap 1 B 10-. Nut, 1/ in.- x.6t 1 B 217 Clamp, Handle 2 10 A 217 Screw 2 A 2181 Nut, 10-2 12 A 0061 Kit, Stringhead, Small 1 1 A 02. Housing/Eyelet Asy w/collar 1 1 A - 08. Spring, McC Stringhead 1 1 A 00688. Kit, Line on Spool, M-Sm 1 16 A - 0076-01. Kit, Knob Asy, Small 1 *17 A 002 Housing Asy, Outer, 1 18 - -- --. Clip, Spring External 2 *17 A 00 Housing Asy, Outer, 8 1 18 - -- --. Clip, Spring External 2 *1 A - 010 Shaft, Flex, Plus Clip, 1 *1 A 010 Shaft, Flex, Plus Clip, 8 1 A 62 Shield Asy, Grass, R, 17in. 1 21 A 00626. Kit, Knife 1 - -- --.. Cutter 1 - -- --.. Nut, Lock 10- Hex 2 - -- --.. Screw, 10- x.0 Torx 2 1 A 216 Screw, M6 x 1.0 Hex 1 A 02 Nut, Wing M6 x 1.0 1 Shaft Models Only (refer to chart on page 1) 8 Shaft Models Only (refer to chart on page 1) a delta handle MT10 MT 0128-01 0128-02 0128-0 0128-0 0128-10 0128-17 0128-1 0128-21 0128-27 100128-0 100128-7 0128-1 100128-2 0128-8 001-0128-7 100128-7 100128-8 100128-8 0128-0128- 0128-6 100128-7 01-01 1001-01-86 01-000281-00 0002816-00 0002817-00 0002818-00 a J-handle 0128-06 0128-0128-18 0128-100128-2 0128-8 100128-0 0128-61 100128-0 6
FIGURE 21 CARBURETOR ASSEMBLY 16 21 8 7 0 1 7 6 27 2 1 28 6 26 12 2 2 17 1 10 1 18 8 1 6 6 28 17 2 27 7 2 1 0 1 1 10 12 26 1 1 1 16 2 18 8 A - 602-0 Carburetor, Walbro WT 1 1 -- --. Ring, Screen Retainer 1 2 -- --. Ring, Shaft Retainer 1 -- --. Lever, Throttle 1 -- --. Cover, Metering Lever 1 B 00072. Cover, Fuel Pump 1 6 -- --. Shaft Asy, Throttle 1 7 -- --. Valve, Throttle 1 8 -- --. Shaft Asy, Choke 1 -- --. Valve, Choke 1 10 -- --. Valve, Inlet Needle 1 -- --. Seat Asy, Check Valve 1 12 -- --. Plug, Cup 1 1 -- --. Plug, Welch 1 1 -- --. Ball, Choke Friction 1 1 -- --. Gasket, Metering Diaphragm 1 16 -- --. Gasket, Fuel Pump 1 17 -- --. Diaphragm, Fuel Pump 1 18 -- --. Diaphragm Asy, Metering 1 1 -- --. Screw, Valve 2 -- --. Screw, Metering Lever Pin 1 21 -- --. Screw, Pump Cover 1 -- --. Spring, Idle Adjust Kit 1 -- --. Screw, Metering Cover A -- --. Spring, Choke Friction 1 2 -- --. Spring, Idle Needle 1 26 -- --. Spring, High Speed Needle 1 27 -- --. Spring, Throttle Return 1 28 -- --. Spring, Metering Lever 1 2 -- --. Needle, High Speed 1 0 -- --. Needle, Low Speed 1 1 -- --. Screen, Check Valve 2 -- --. Screen, Fuel Inlet 1 -- --. Pin, Metering Lever 1 -- --. Lever, Metering 1 -- --. Ring, High Speed 1 6 -- --. Washer, High Speed 1 7 B 601. Cap, Limiter, High, Black 1 8 B 602. Cap, Limiter, Low, White 1 007 Kit, Major Repair A17WT (Stk Code A) 60 Kit, Gasket/Diaphragm B06WT (Stk Code A) 6 Kit, Choke Lever 0- (Stk Code A) A - 602-0 Carburetor, Zama C1U M2D 1 1 -- --. Ring, Screen Retainer 1 2 -- --. Collar 1 -- --. Lever, Throttle 1 -- --. Cover, Metering Lever 1 B 006. Cover, Fuel Pump 1 6 -- --. Shaft Asy, Throttle 1 7 -- --. Valve, Throttle 1 8 -- --. Shaft Asy, Choke 1 -- --. Valve, Choke 1 10 -- --. Valve, Inlet Needle 1 -- --. Plug, Welch 1 12 -- --. Ball, Choke Friction 1 1 -- --. Gasket, Metering Diaphragm 1 1 -- --. Gasket, Fuel Pump 1 1 -- --. Diaphragm, Fuel Pump 1 16 -- --. Diaphragm Asy, Metering 1 17 -- --. Screw, Valve 1 18 -- --. Screw, Valve 1 1 -- --. Screw, Metering Lever Pin 1 -- --. Screw, Pump Cover 2 21 -- --. Screw, Idle Adjust Kit 1 -- --. Screw, Metering Cover 2 -- --. Spring, Choke Friction 1 -- --. Spring Needle 2 2 -- --. Spring, Throttle Return 1 26 -- --. Spring, Metering Lever 1 27 -- --. Needle, High Speed 1 28 -- --. Needle, Low Speed 1 2 -- --. Screen, Check Valve 1 0 -- --. Screen, Fuel Inlet 1 1 -- --. Pin, Metering Lever 1 -- --. Lever, Metering 1 -- --. Nozzle Asy, Check Valve 1 -- --. Screw, Throttle Lever 1 B 60. Cap, Limiter, High, Black 1 6 B 60. Cap, Limiter, Low, White 1 00 Kit, Major Repair RB-8 (Stk Code B) 007 Kit, Gasket/Diaphragm GND-1 (Stk Code A) 8 Kit, Choke Lever 0- (Stk Code A) 7
P.O. Box 167 Tucson Arizona 871-167 U.S.A. MANUFACTURING SALES SERVICE FOR WARRANTY OR SERVICE, CONTACT THE NEAREST McCULLOCH AUTHORIZED SERVICE CENTER LISTED UNDER SAWS IN YOUR TELEPHONE DIRECTORY YELLOW PAGES. IF FURTHER ASSISTANCE IS REQUIRED CALL THIS TOLL-FREE HOT LINE. PLEASE REFERENCE YOUR MODEL AND SERIAL NUMBER. 1-800-21-8 MONDAY - FRIDAY - 6:00 AM - :0 PM (MST) www.mccullochpower.com TORQUE SPECIFICATIONS FASTENER FIG/ TORQUE DESCRIPTION PART NO. ITEM (IN/LBS) LOCTITE C Case to Cylinder 106 1 / 7-60 2 C Case to Plast Plug 106 1 / 70-0 2 Insulator to Cylinder 10 1 / - 0 2 Shroud to C Case 1067 1 / 8-60 2 Ignition Asy 10 1 / 0-0 2 Carburetor 108 1 / 1 2-0 -- Spark Plug 287 1 / 66 0-1 -- Flywheel Nut 108 1 / 7 10-1 2 Flywheel Nut 87 1 / 8 10-1 2 Starter Housing 10 2 / 0 - -- Clutch Housing 21 2 / 28 0 - -- ENGINE SPECIFICATIONS Engine Type.................Air-Cooled, Two Cycle, Single Chrome Cylinder Displacement................28cc or cc Idle RPM, Direct Dr...........000-00 RPM Idle RPM, Clutch Dr...........2700-000 RPM Maximum RPM..............7000-8000 RPM Compression, PSI............28cc = 80 (after 10 pulls, thr tl full open)...cc = 0 Ignition....................Electronic Flywheel to Ignition Gap........0.007-0.012 in. Spark Plug..................Champion RDJ8J Spark Plug Gap..............0.02 in. (0.6mm) Fuel Tank Capacity............ oz. (71ml) Fuel Type...................Unleaded - Regular Grade Fuel to Oil Ratio..............0:1 McCulloch Custom Lubricant Dry Weight.................. =. lbs 8 = 1.6 lbs Carburetor..................Diaphragm with Primer Starter Cord.................Nylon, Type., Length 6 in.