OPERATOR’S SAFETY AND SERVICE MANUAL R422 This manual covers the following serial numbers and higher for each model listed: R422..............................4220900 SMART RAMMERS MBW, Inc. MBW (UK) Ltd. 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 Units 2&3 CochraneStreet Bolton BL3 6BN England, UK Phone: 44 (0) 01204 387784 Fax: 44 (0) 01204 387797 E-mail: mbwuk@btinternet.com MBW FRANCE S.A.R.L.
TABLE OF CONTENTS Safety Information . . . . . . . . . . . . . . . . . . . . . . 1 General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Handle Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Safety Decals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Engine Removal . . . . . . . . . .
WARNING CALIFORNIA PROPOSITION 65 WARNING Engine exhaust and some of its constituents are known in the state of California to cause cancer, birth defects, and other reproductive harm.
SAFETY INFORMATION Introduction SAFE DRESS: Do not wear loose clothing, rings, wristwatches, etc. near machinery. This Safety Alert Symbol is used to call attention to items or operations which may be dangerous to those operating or working with this equipment. The symbol can be found throughout this manual and on the unit. Please read these warnings and cautions, along with all decals, carefully before attempting to operate the unit.
WARNING CAUTION 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 19791 RELATING TO FIRE PREVENTION Read the Operating Instructions before operating this piece of equipment. Keep unauthorized and untrained people away from this equipment. UNLEADED GASOLINE 19791 ROTATING & MOVING PARTS! Make sure all guards and safety devices are in place.
SPECIFICATIONS +/ +$ 422HL Operating Weight - lbs(kg) 422HA 145 (66) 149 (68) Height - in(cm) 38.25 (97.2) Width - in(cm) 15 (38) Length - in(cm) 28.25 (71.8) Engine Honda GX100 Shoe (W x L) in (cm) 11 x 13 (28 x 33) Operating Noise Level1 dBa 93 dBA Compaction Force lbf (kN) 3200 (14.2) Travel Speed ft/min(m/min) 55 (16.8) Compaction Area sqft/hr (sqm/hr) 2520 (234) Percussion Rate blows/min up to 720 Engine Speed rpm 3500-3600 Fuel Capacity - gal(L) 1.1 (4.
OPERATION Introduction 4. MBW equipment is intended for use in very severe applications. They are powered by four cycle engines and are available in different sizes and a selection of engines. Choke engine if necessary (you may not need to choke a warm engine). 5. Pull starter rope repeatedly until engine starts. 6. Move choke lever to open position. 7. Allow engine to warm up for one or two minutes. This parts manual contains only standard parts.
MAINTENANCE WARNING CAUTION Always exercise the stopping procedure before servicing or lubricating the unit. Always verify fluid levels and check for leaks after changing fluids. After servicing the unit, replace and fasten all guards, shields, and covers to their original positions before resuming operation. Do not drain oil onto ground, into open streams, or down sewage drains.
2. If the oil is not visible in the sight gauge, add oil as required. See Fluid Levels for recommended type of oil. Changing Percussion System Oil Refer to Lower Unit Assembly, page 16. 4. With the handle still on the ground, remove the four hex head flange screws (page 18, #8) holding the cover (page 18, #2) to the gearbox (page 18, #4). 5. Remove the cover, the cover gasket (page 18, #3), and the dowel pins (page 18, #1) from the gearbox. 6. Tip the unit forward and drain any oil into an oil pan.
SERVICE Assembly and disassembly should be performed by a service technician who has been factory trained on MBW equipment. The unit should be clean and free of debris. Pressure washing before disassembly is recommended. Service Tools 01629 Rubber Test Mat • Prior to assembly, wash all parts in a suitable cleaner or solvent. 07205 Bellows Installation Tool 07552 Blind Hole Bearing Puller Tool 20194 Service Kit 20260 Spring box Tool Part No. • Check moving parts for wear and failure.
Clutch Removal 8. Refer to Engine Assembly, page 21. 1. Remove the jam (#13) nut and slide the clutch off engine crank. 2. Reinstall the clutch, making sure key remains in place and aligned with keyway 3. Reinstall jam nut with medium strength thread locker and tighten to 60 ft lbs (N•m). Remove the gearbox assembly from the lower unit assembly. See Figure 2. Gearbox Removal NOTE: It is necessary to remove the Handle and the Engine to remove the Gearbox.
Breather Removal 1. Levels, page 5 for proper oil type) to the needle bearing after installation. Remove the hex head cap screw (#28) from the top of the breather assembly (#14). 2. Remove the plain washer (#29), cap (#17) and filter (#15). 3. Use a pipe wrench to remove the breather tube (#16). CAUTION Do not disassemble the breather assembly. Remove the retaining ring (#23) from the bottom of the gearbox guide tube. 2. Pull the slide bearing (#25) out the bottom of the gear box guide tube. 3.
Shoe and Spring box Guard Removal 1. 11. Remove the spring separator (#16) and slide bearing (#17). Remove the four socket head cap screws (#23) and lock washers (#24) that secure the shoe (#12) to the lower unit assembly and remove the shoe. 2. Lift the spring box guard (#13) off the spring box assembly. 3. Remove the o-ring (#10) from the spring box guard (#12). 12. Remove upper springs (#6 & #7) and ram shaft (#15). 13.
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. The spring box warning decal (page 2, #01326) should be clean and highly visible. If not, the old decal should be completely removed and replaced with a new decal. 13. Lightly oil a new o-ring (#10) and place it into the groove in the spring box guard (#13). 14. Slide the spring box guard over the ram head onto the spring box.
Parts Replacement Cycles and Tolerances Bearings Replace anytime a bearing is rough, binding, discolored or removed from housing or shaft. Bellows Replace when they are worn, cracked, or to the point of leaking. Clutch Replace clutch if shoes and/or springs show signs of heat damage or if it does not disengage below 2000 rpm. Crank Gear Replace if teeth are cracked or if they become sharp. Engine Components Refer to your engine manufacturer’s Owner’s Manual. Guide Bushings Replace if a 0.025” (0.
REPLACEMENT PARTS The warranty is stated in this book on page 24. Failure to return the Warranty Registration Card renders the warranty null and void. MBW has established a network of reputable distributors/ dealers with trained mechanics and full facilities for maintenance and rebuilding, and to carry an adequate parts stock in all areas of the country. Their sales engineers are available for professional consultation.
4 3 Gearbox Assembly - 14 -
ITEM 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. PART NO. 01001 01103 01105 01244 06161 06259 06262 06264 06265 06266 06274 06413 06423 06904 06905 06908 06910 09476 09618 13733 15959 16021 16451 20032 20034 F01PW F061605FWS F081304HCS F08SW DESCRIPTION RETAINING RING, EXT. 5100-137 BEARING, BALL BEARING, BALL RETIANING RING, EXT. 5160-112 ROD ASSEMBLY, CONNECTING (includes item #7) BEARING, NEEDLE BUSHING RETAINING RING, INT.
Lower Unit Assembly - 16 -
ITEM 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. PART NO. 06239 06327 07154 09618 11694 16305 16306 16311 16325 16330 18276 19618 20023 20037 20335 20039 (See kit 20176) (See kit 20176) 20044 F042005FSS F042006FWS F042007FWS F072020SCS F07LW F0813ELN F081318HCS F08LW 20176 20173 DESCRIPTION QTY O-RING, 3.36 ID X 0.139 DIA 1 BUSHING 1 RING, CLAMPING, LOWER 1 FITTING, PLUG PARKER 4HP50N 1 BELLOWS, 4 PLY 1 SPRING, COMPRESSION, 2.313 OD 2 SPRING, COMPRESSION, 1.
Gearbox and Lower Unit Assembly - 18 -
ITEM 1. 2. 3. 4. 5. 6. 7. 8. PART NO.
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 $'$37(5 (/%2: .
ITEM 1. PART NO. 01045 20387 01052 01145 07351 07916 20476 15183 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 20422 16414 16586 18510 18511 18515 18742 19899 14946 20713 20719 F032402FSS F042004FWS F051807FWS F051808FWS F0518FN 25. 20549 26. 27. 28. 29. 30.
$'$37(5 (/%2: .
ITEM PART NO. 1. 17164 2. 17197 3. 17217 4. 5. 6. 7. 8. 18053 9. 18055 10. 18527 11. 18530 12. F0518FN 13. M12CHJN 14. M08C025FWS 20539 15. 16. 17. 18. 19. DESCRIPTION STUD, Mounted in gearbox (#4 page 18). Install with red-high strength loctite. ADAPTER, GX100 REDUCER, BARBED, (Supplied with engine) CLIP, FUEL LINE, (Supplied with engine) FUEL LINE, 3/16 ID x 15-1/2” LG, (Supplied with engine) HEX HEAD FLANGE SCREW, M8-1.
WARRANTY WHAT DOES THIS WARRANTY COVER? MBW, Incorporated (MBW) warrants each New Machine against defects in material and workmanship for a period of twelve (12) months. "New Machine" means a machine shipped directly from MBW or authorized MBW dealer to the end user. This warranty commences on the first day the machine is sold, assigned to a rental fleet, or otherwise put to first use. MBW warrants each Demonstration Machine against defects in material and workmanship for a period of six (6) months.
NOTES - 25 -
NOTES - 26 -
