FIGURE 1 POWERHEAD ASSEMBLY

Transcription

1 SERIAL MODEL NUMBER ENGINE NAMES PREFIX MODEL SIZE MAC 3BP cc MB cc GAS POWERED ANTI-VIBRATION BACKPACK BLOWER 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 products are identified by a model number (in this instance 4003) followed by a suffix number (0). Suffix numbers denote variations in parts or assemblies used in the manufacture of this product. Illustrated Parts Lists (IPLs) contain a PART NUMBER, DESCRIP- TION, 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. MARCH 003 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. ILLUSTRATED PARTS LIST P.O. Box 31 Tucson, Arizona 81-1 U.S.A. (.) 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. 003 McCulloch Printed in U.S.A. PN

2 FIGURE POWERHEAD ASSEMBLY

3 POWERHEAD ASSEMBLY 1 B Screw, 10-4x. Taptite B 40 Kit, Muffler Screw 4 C Plate, Muffler 1 B 3413 Screen, Spark Arrester 1 C Cover, Spark Arrester 1 A Screw, 8-1 x. Tr Hd Plastite 8 A Cover, Air Box 1 9 A 439 Filter, Air 1 10 B Box, Air Filter 1 11 C Plate, Air Box 1 1 A Screw, 10-4 x Torx 13 - FIGURE 4 Carburetor Assembly 1 14 A Gasket, Carburetor 1 1 C 3434 Manifold, Carburetor 1 1 A Nut, A Spacer, Rubber 18 B Cable, Throttle 1 19 A 111. Screw, 10-4 x. Tr Hd Torx 1 0 A Screw, 10-4 x.8 Taptite 1 A 3391 Gasket, Manifold 1 A 40 Fuel Tank Asy 1 3 A 198. Filter, Fuel 1 4 A 1. Hose, Fuel 1 A 13. Hose, Fuel Return 1 A 308. Kit, Fuel Cap w/retainer 1 A 310 Isolator, Fuel Tank 4 8 B Flywheel Asy 1 9 A 0001 Pawl Kit Retainer Ring Pawl, Starter Spring, Starter Pawl 3 B 1110 Washer, Conical Spring 1 33 B Nut 1 34 A 1014 Key, Flywheel 1 3 A Screw, 10-4 x.8 Taptite FIGURE 1 3 A Ignition Asy 1 3 A Kit, Spark Plug Wire 1 38 A 10.. Connector, Spark 1 39 A 9.. Boot, Spark Plug 1 40 B Grommet, H/T Lead, Split 1 41 B Grommet, S/Plug Wire 1 4 B 1110 Screw, 10-4 x A 339 Shroud, Engine 1 44 C 413 Short Block Asy C case Asy C shaft Asy Bearing Bearing 0RS Seal Connecting Rod Asy Bearing Kit, Piston, 3cc Piston Pin, C shaft Ring, Retaining Ring, Piston 1 1 A 1110 Screw, 10-4 x.88 Tri Rnd 4 A Shield, Muffler Kit, Cylinder/Gasket, 3cc 1 4 A 40. Gasket, Cylinder 1 A Cover, Cylinder/Muffler 1 A Screw, 8-1 x. Tr Hd Plastite 3 B 1844 Screw, x. Torx 1 8 A 989 Spark Plug, RDJ8J 1 9 A 300 Wire Asy, Ground 1 0 A 3008 Wire Asy, Stop Switch 1 1 A 403 Gasket, C case 1 A Plug, C case 1 3 A 1110 Screw, 10-4 x.88 Tri Rnd 4 C Plate, C case 1 Not shown - Not used on this model 3

4 4 FIGURE GENERAL ASSEMBLY 3 1 A

5 GENERAL ASSEMBLY 1 B 18 Disc, Drive 1 B 4000 Kit, Impellar, Blower 1 A B Disc, Drive 1 3 A Nut, Hx / C Outer Housing 1 C 3414 Cover, Air Inlet 1 A Screw, 8-1 x. Tr Hd Plastite A Screw, 8-1 x. Tr Hd Plastite 8 8 C 3088 Inner Housing Asy Captive Nut Rope Guide 1 11 B 1110 Screw, 10-4 x.3 Sl Torx Tp 4 1 B 3009 Starter Housing Asy 1 13 A Spring/Starter Rewind 1 14 A Drum Rope Asy 1 1 B Rope, Starter B 410. Kit, Starter Housing Rope Guide 1 18 A 31 Washer,. ID x /8 in. OD 3 19 A Screw, 8-1 x. Tr Hd Plastite 3 0 A 19 Handle, Starter 1 1 B Washer, Nylon 1 B 343 Cover, Rope 3 A Screw, 8-1 x. Tr Hd Plastite 4 4 A Screw, 8-1 x. Tr Hd Plastite 3 C 3401 Frame, Back 1 C Screw, Hx 1/4-0x. 4 B Washer,.x.80x C 3418 Spring, Isolator 3 9 C Nut, 1/4-0 Type U 3 30 C Screw, Hx 1/4-0x. 31 B 14 Washer, Pl.0 ID 3 A 1943 Screw, Skt 1/4x0x1.0T 33 B Washer,.x.8x.0 4 FIGURE 34 C 3404 Housing, Control RH 1 3 C 340 Housing, Control LH 1 3 C 340 Trigger, Throttle 1 3 C 340 Knob, Lock 1 38 C 3413 Pin, Lock 1 39 C Spring, Trigger 1 40 C Spring, Lock 1 41 C 341 Wire Asy, Terminal 4 C 3408 Housing, Flex 1 43 C 3409 Clamp, Band 44 C 3411 Cable, Throttle 1 4 C 3410 Sleeve, Flex, mm 1 4 A Screw, -19x.Fl Hd Plast 4 C 341 Sleeve, Flex, 9mm 1 48 B 1843 Screw, Tr 8-1x. Torx 1 49 A 3009 Washer,.19 ID x.8 OD 1 0 C 3349 Switch, Rocker 1 1 B 3419 Clamp, Arm C Screw, Hx 1/4-0x. 3 B 1844 Screw, Tr 10-14x. Torx 4 A 1003 Washer, 10 Pl C 340 Cushion, Back 1 C Rivet, Ribbed 14. B 3403 Harness, Torso 1 8 C 34 Clamp, Cable 9/1 1 9 A Screw, 8-1x. Tr Hd Plast 1 0 B 1844 Screw, Tr 10-14x. Torx 1 1 A 9349 Washer,.49 OD -. ID 1 C 308 Bracket, Isolator, Upper Guide, Rope 1 4 C Screw, Hx 1/4-0x. 1 B 14 Washer, Pl. ID 1 B 304 Knob, Screw Asy 1 - FIGURE 1 Powerhead Asy 1 Appears on units produced before 8/98. SPECIFICATIONS Engine Type Air-cooled, two cycle, single cylinder Displacement 3.4cc (.0 ci) Idle RPM Compression after 10 pulls, throttle full open 90 lb/sq.in. Ignition Solid State / Electronic Flywheel to Ignition Gap 0.00 to 0.01 in. (0.18 to 0.304mm) Spark Plug RDJ8J or DJ8J Spark Plug Gap 0.0 in. (0.3mm) Fuel Tank Capacity 4 oz (1 cl) Running Time 0 minutes Air Volume 4 CFM Air Velocity 180 MPH Fuel to Oil Ratio 40:1 with McCulloch Custom Lubricant Dry Weight 1. lbs (. kg) Carburetor Diaphragm with Choke and Primer Starter Cord Nylon, Type 3., Length 4 in. (11cm)

6 BLOWER TUBES FIGURE C 341 Tube, Air C 34 Nozzle, Concentator Outlet 1 3 C 340 Elbow, Flex Tube 1 4 B 343 Handle, Tube, RH 1 B 344 Handle, Tube, LH 1 A Screw, -19x.Fl Hd Plast 3 B Screw, 1-14x1. Torx 1 TORQUE SPECIFICATIONS DESCRIPTION FASTENER QTY FIG/ITEM NO. TORQUE (in.lbs) LOCTITE Muffler to Cylinder x. Taptite 1 / 1-0 Air Cover to Air Box x. Plastite 1 / Air Box Plate to Carb Manifold x 1 / Throttle cable to Carb Manifold x. 1 1 / Carb Manifold to Cylinder x.8 1 / Flywheel to Crankshaft /1-0 Hex Nut 1 1 / Ignition Module to Eng Shroud x.8 1 / Engine Shroud to C case x. Taptite 3 1 / 4-0 C case to Cylinder x / 1-0 Cylinder Cover to Inner Housing x. Plastite 3 1 / Cylinder Cover to C case x.0 Plastite 1 1 / Spark Plug 989 RDJ8J (DJ8J) 1 1 / C case Plate to C case x.88 Taptite 4 1 / Washer to Impeller /1 Hex Nut 1 / Outer Housing to Inner Housing x. Plastite 8 / Rope Cover to Inner Housing x. Plastite 4 / Starter Housing to Inner Housing x. Plastite 3 /

7 FIGURE 4 CARBURETOR ASSEMBLY B Carburetor - Zama C1U-M3A Strainer Plug, Welch Retainer, Prime Nozzle Asy, Check Valve Shaft Asy, Throttle Lever, Throttle Spring, Throttle Return Valve, Throttle Diaphragm Asy, Metering Diaphragm, Pump Gasket, Metering Chamber Gasket, Pump Cover, Pump Valve, Inlet Needle Spring, Metering Lever Lever, Metering Pin Screw, Throttle Adjust Spring, Friction Shaft Asy, Choke Valve, Choke Collar Base Asy, Primer 1 4 A 3. Primer Bulb Screw, Pin Screw, Throttle Valve Screw, Metering Cover Screw, Pump Cover Screw, Throttle Lever Ball, Steel Screw, Retainer Spring, Adjust Screw Washer, Limiter Screw, Hi Speed Screw, Low Speed 1 3 B Limiter Cap, High, -Stg Red 1 3 B Limiter Cap, Low, -Stg Nat Retainer, Limiter Kit, Major Repair (RB-9) 3004 Kit, Gasket/Diaphragm (GND-1)

8 P.O. Box 31 Tucson, Arizona 81-1 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 MONDAY - FRIDAY - :00 AM - 4:30 PM (MST) USE ONLY GENUINE McCULLOCH REPLACEMENT PARTS McCulloch McCulloch Parts Parts