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- 2 -

DANGER

Compressed spring could cause severe injury.

See manual for disassembly instructions.

La resorte comprimida podría causar la 

herida severa. Consulte el libro para

 ver el desmontaje correcto.

PELIGRO

01

32

6

U.S. PATENT 8,202,022

20425 RAMMER

CAUTION

Machine is top heavy and could 
fall if not lifted from this bar.

R422        = 138 lb (63 kg)
R442        = 150 lb (68 kg)
R482/483  = 177 lb (80 kg)

20258

19791

WARNING

OPERATION OF THIS EQUIPMENT MAY 
CREATE SPARKS THAT CAN START FIRES 
AROUND DRY VEGETATION. A SPARK 
ARRESTER MAY BE REQUIRED. THE 
OPERATOR SHOULD CONTACT LOCAL FIRE 
AGENCIES FOR LAWS OR REGULATIONS 
RELATING TO FIRE PREVENTION 

UNLEADED
GASOLINE

14781

Failure to comply could result in serious bodily 

injury.

13483

CAUTION

STOP

Read Operating Instructions before 

operating this piece of equipment.

Keep unauthorized and untrained 
people away from this equipment.

ROTATING & MOVING PARTS!

  

Make sure all guards and safety 
devices are in place.

Wear OSHA approved hearing 
protection, foot protection, eye 
protection and head protection.

Avoid breathing dust from operating 
machine, wear OSHA specified dust 
mask/respirator.

SHUT OFF

 the motor before servicing 

or cleaning.

DO NOT RUN

 in an enclosed area.  

The engine produces carbon 
monoxide, a 

POISONOUS GAS

.

581

,'/(

7

+

5

2

7

7

/

(

$,5&/($1(5,16758&7,216

&/($1(/(0(17'$,/<025(2)7(181'(5'867<&21',7,216

7$3(/(0(17/,*+7/<21$)/$7685)$&(,)'867'2(6127'523

2))($6,/<25,)(/(0(17,6%(1725&586+('

5(3/$&(,7

:$51,1*'212723(5$7((1*,1(:,7+287$,5&/($1(5

(/(0(17,17(51$/'$0$*(:,//5(68/7

5(0,1'(5

&+(&.(1*,1(2,/'$,/<

(1*,1(0867%(/(9(/

OPTIMAL OPERATING 

SPEED

420-421/422...3500 RPM
440/442..........3500 RPM
480-481..........3200 RPM
482-483..........3200 RPM

15287

OPERATING

INSTRUCTIONS

1. Check fuel level.

2. Open fuel valve.

3. Set throttle at idle postion.

4. Choke engine.  A warm engine may not need 

to be choked.

5. Pull starter rope.

6. After starting, open choke gradually and let 

engine warm up at idle.

7. To start compacting:  open throttle fully.

8. To stop:  return throttle to idle and allow engine 

to run for a few minutes before turning off.

9. Turn engine switch to off and close fuel valve.

14773

Safety Decals (Decal Set #17777)

20258

19791

14781

13483

14770

06079

20425

01326

14773

15287

15137

21080

12500

U.S. PATENT 8,057,125

19895  RAMMER

19895

21445

21743

21743

WARNING

Operating, servicing and maintaining this equipment 
can expose you to chemicals, including engine 
exhaust, phthalates and lead, which are known to the 
state of California to cause cancer and birth defects or 
other reproductive harm. Avoid breathing engine 
exhaust. Do not operate equipment in confined areas.

For more information go to

 

www.P65Warnings.ca.gov

21820

21820

Summary of Contents for R442

Page 1: ...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...

Page 2: ...RUN in an enclosed area The engine produces carbon monoxide a POISONOUS GAS 581 7 5 2 7 7 5 1 5 16758 7 216 1 0 17 025 2 7 1 81 5 867 21 7 216 7 3 0 17 7 21 7 685 867 2 6 127 523 2 6 25 0 17 6 17 25...

Page 3: ...r determining Compaction Force All manufactures employ their own method or formula 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 Engi...

Page 4: ...14 Gearbox Assembly...

Page 5: ...SEMBLY Includes items 12 13 15 16 17 26 28 29 1 15 06905 FILTER BREATHER 1 16 06908 TUBE BREATHER 1 17 06910 COVER 1 18 09476 RETAINING RING INT N500 244 1 19 09618 FITTING PLUG PARKER 4HP50N 1 20 137...

Page 6: ...16 Lower Unit Assembly...

Page 7: ...1 17 20044 RETAINING RING 1 18 20162 SPRING BOX 442 1 19 20336 KIT RAM SHAFT Includes items 19 25 6 from page 18 1 20 20882 HANDLE LIFT 1 21 F042005FSS FSS 1 4 20 x 5 8 3 22 F042006FWS FLANGE LOCK SC...

Page 8: ...18 Gearbox and Lower Unit Assembly...

Page 9: ...03 PIN DOWEL 1 4 x 1 2 2 2 16313 COVER RAMMER GEARBOX 1 3 16361 GASKET COVER 1 4 20030 GEARBOX ASSEMBLY 1 5 20045 PISTON CONNECTING PIN 1 6 20046 RETAINING RING INTERNAL 1 7 20048 LOWER UNIT 1 8 F0518...

Page 10: ...20 6833 7 1 1 167 7 5 7 58 03 66 0 03 72 1 1 7 02 6 21 5 17 72 32 17 2 1 25 5 6 1 1 3 25 2 37 5 7 Handle Assembly...

Page 11: ...2 FUEL TANK ONE GALLON EPA 1 24 21844 MOUNTING BRACKET FUEL TANKS 1 21875 KIT FUEL TANK UPDATE For serial number 4220xxx and lower 25 21847 GASKET FUEL TANK 1 26 21848 WELLNUT 1 4 20 4 27 F032402FSS F...

Page 12: ...22 37 5 2 7 25 02 6 7 29 5 6 5 1 5 21 Engine Assembly...

Page 13: ...GX100 HA ONLY Includes items 2 thru 9 13 15 thru 17 9 F0518FN NUT FLANGE 5 16 18 ZP 4 10 M12CHJN NUT HEX JAM M12 X 1 25 ZP 1 11 M08C025FWS FLANGE LOCK SCREW M8 1 25 X 25mm ZP 4 20539 KIT ADAPTER ELBO...

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