Mbw R422 User Manual

OPERATOR’S SAFETY AND SERVICE MANUALMBW, Inc.250 Hartford Rd • PO Box 440Slinger, WI 53086-0440Phone: (262) 644-5234Fax: (262) 644-5169Email: mbw@mbw

- 7 -SERVICEAssembly and disassembly should be performed by aservice technician who has been factory trained on MBWequipment. The unit should be clean

- 8 -Clutch RemovalRefer to Engine Assembly, page 21.1. Remove the jam (#13) nut and slide the clutch offengine crank.2. Reinstall the clutch, making

- 9 -Breather Removal1. Remove the hex head cap screw (#28) from the topof the breather assembly (#14).2. Remove the plain washer (#29), cap (#17) and

- 10 -Shoe and Spring box Guard Removal1. Remove the four socket head cap screws (#23) andlock washers (#24) that secure the shoe (#12) to thelower un

- 11 -10. Secure the cover with two flat head socket screws(#20) torque to 8 ft lbs (11 N•m).11. Remove the spring box tool rods from the assembly.12.

- 12 -Parts Replacement Cycles and TolerancesBearingsReplace anytime a bearing is rough, binding, discolored or removed from housing orshaft.Bellows R

- 13 -MBW, Inc.250 Hartford Rd • PO Box 440Slinger, WI 53086-0440Phone: (262) 644-5234Fax: (262) 644-5169Email: [email protected]: www.mbw.comMBW (U

- 14 -34Gearbox Assembly

- 15 -ITEM PART NO. DESCRIPTION QTY1. 01001 RETAINING RING, EXT. 5100-137 12. 01103 BEARING, BALL 23. 01105 BEARING, BALL 14. 01244 RETIANING RING, EX

- 16 - Lower Unit Assembly

TABLE OF CONTENTSSafety Information . . . . . . . . . . . . . . . . . . . . . . 1Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . .

- 17 -ITEM PART NO. DESCRIPTION QTY1. 06239 O-RING, 3.36 ID X 0.139 DIA 12. 06327 BUSHING 13. 07154 RING, CLAMPING, LOWER 14. 09618 FITTING, PLUG PARK

- 18 -Gearbox and Lower Unit Assembly

- 19 -ITEM PART NO. DESCRIPTION QTY1. 07203 PIN,DOWEL 1/4 x 1/2 22. 16313 COVER, RAMMER GEARBOX 13. 16361 GASKET, COVER 14. 20031 GEAR BOX ASSEMBLY 15

- 20 -,167$//7$&+:,5(7+58&/$03$66(0%/(&/$0372(1*,1(7$&+02'(/621/<6833/,('

- 21 -ITEM PART NO. DESCRIPTION QTY1. 01045 FILTER, FUEL, IN-LIN (FLOAT CARBURETOR ONLY) 120387 FUEL FILTER, INLIN (DIAPHRAM CARBURETOR)2. 01052 CLAMP

- 2 -  $'$37(5(/%2:.,7)2502'(/6:,7+29(56,=($,5&/($1(521/<Engine Assembly

- 23 -ITEM PART NO. DESCRIPTION QTY1. 17164 STUD, Mounted in gearbox (#4 page 18). Install with red-high strength loctite. 42. 17197 ADAPTER, GX100 1

- 24 -WARRANTYWHAT DOES THIS WARRANTY COVER? MBW, Incorporated (MBW) warrants each New Machine against defects in material and workmanship for a per

- 25 -NOTES

- 26 -NOTES

CALIFORNIA PROPOSITION 65 WARNINGEngine exhaust and some of its constituents are known in the state of California to cause cancer, birth defects, and

- 1 -SAFETY INFORMATIONIntroductionThis Safety Alert Symbol is used to call attentionto items or operations which may be dangerousto those operating o

- 2 -19791WARNINGOPERATION OF THIS EQUIPMENT MAY CREATE SPARKS THAT CAN START FIRES AROUND DRY VEGETATION. A SPARK ARRESTER MAY BE REQUIRED. THE OPERA

- 3 -SPECIFICATIONSSpecifications subject to change without notice1. Noise levels are taken at the operating position and are based on operating condi

- 4 -OPERATIONIntroductionMBW equipment is intended for use in very severeapplications. They are powered by four cycle engines andare available in dif

- 5 -MAINTENANCEWARNINGAlways exercise the stopping procedure beforeservicing or lubricating the unit.After servicing the unit, replace and fasten all

- 6 -2. If the oil is not visible in the sight gauge, add oil asrequired. See Fluid Levels for recommended type ofoil.Changing Percussion System OilR