MBW R442 Operator's Safety And Service Manual

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O P E R AT O R ' S S A F ET Y
A N D S E R V I C E M A N U A L
R 4 4 2
This manual covers the following serial numbers
and higher for each model listed:
R442H...........................4420784
S M A R T R A M M E R S
MBW, Inc.
250 Hartford Rd • PO Box 440
Slinger, WI 53086-0440
Phone: (262) 644-5234
Fax: (262) 644-5169
Email: mbw@mbw.com
Website: www.mbw.com
MBW (UK) Ltd.
Units 2&3 Cochrane Street
Bolton BL3 6BN England
Phone: 01204 387784
Fax: 01204 387797
E-mail: saleseurope@mbw.com
Website: www.mbweurope.com
L19904 / 02.21.Q
©MBW, Inc. 2015
Printed in the USA

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Summary of Contents for MBW R442

  • Page 1 R442H......4420784 S M A R T R A M M E R S MBW, Inc. MBW (UK) Ltd. 250 Hartford Rd • PO Box 440 Units 2&3 Cochrane Street Bolton BL3 6BN England Slinger, WI 53086-0440...
  • Page 2 Avoid breathing dust from operating machine, wear OSHA specified dust R422 = 138 lb (63 kg) mask/respirator. R442 = 150 lb (68 kg) SHUT OFF the motor before servicing R482/483 = 177 lb (80 kg) or cleaning. 20258 20258 DO NOT RUN in an enclosed area.
  • Page 3: Specifications

    S P E C I F I C ATI O N S 442H/442H12 442HA Operating Weight - lbs (kg) 150 (68) 154 (70) Height - in (cm) 41 (104) Width - in (cm) 15 (38) Length - in (cm) 29 (74) Engine Honda GX100/GXR120 Honda GX100...
  • Page 4: Gearbox Assembly

    Gearbox Assembly - 14 -...
  • Page 5 ITEM PART NO. DESCRIPTION 01001 RETAINING RING, EXT. 5100-137 01103 BEARING, BALL 01105 BEARING, BALL 01244 RETAINING RING, EXT. 5160-112 06161 ROD ASSEMBLY, CONNECTING (includes item #7) 06259 BEARING, NEEDLE 06262 BUSHING 06264 RETAINING RING, INT. N5000-187 06265 RETAINING RING, EXT. 5100-78 06266 RETAINING RING, INT.
  • Page 6: Lower Unit Assembly

    Lower Unit Assembly - 16 -...
  • Page 7 ITEM PART NO. DESCRIPTION 06173 COVER, SPRINGBOX 06237 O-RING, 4.33 ID X 0.103 DIA 07154 RING, CLAMPING, LOWER 09618 FITTING, PLUG PARKER 4HP50N 11694 BELLOWS, 4 PLY 16311 RING, CLAMPING, UPPER 16330 O-RING, 2.72 ID X 0.139 DIAMETER 18276 PLUG, OIL LEVEL 18693 SPRING, COMPRESSION, OUTER 18694...
  • Page 8 Gearbox and Lower Unit Assembly - 18 -...
  • Page 9 ITEM PART NO. DESCRIPTION 07203 PIN,DOWEL 1/4 x 1/2 16313 COVER, RAMMER GEARBOX 16361 GASKET, COVER 20030 GEARBOX ASSEMBLY 20045 PISTON CONNECTING PIN 20046 RETAINING RING, INTERNAL 20048 LOWER UNIT, F051807FWS FLANGE SCREW,5/16-18 x 7/8 ZP - 19 -...
  • Page 10: Handle Assembly

    Handle Assembly - 20 -...
  • Page 11 ITEM PART NO. DESCRIPTION 01026 WORM DRIVE CLAMP 01052 CLAMP, 1/4” FUEL HOSE 01145 CLAMP, SPRING 01291 CABLE TIE, 3/16 X 7-1/2, BLACK 07351 TORSION MOUNT 07916 FERRULE, THROTTLE LEVER 15016 CLAMP, 3/16” FUEL HOSE 15183 HOSE, FUEL, 1/4” X 2”LG. 20303 HOSE, FUEL, 3/16 I.D.
  • Page 12: Engine Assembly

    Engine Assembly - 22 -...
  • Page 13: Air Cleaner

    STUD, Mounted in gearbox (page 18, #4) Install with red-high strength loctite. 17197 ADAPTER, GX100 HEX HEAD FLANGE SCREW, M8-1.25 X 40mm, (Supplied with engine) PIN, DOWEL, 6mm X 10mm (420H) (Not provided by MBW Inc.) 18053 KEY, WOODRUFF, METRIC 4X13 18055 CLUTCH, KIT, (Includes items: #8 &...

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