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O
PERATOR
S
AND
ERVICE
GPR78
This manual covers the following serial numbers
and higher for each model listed:
GPR78...........................................7800110
VIBRATORY PLATES
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
'
S
S
AFETY
M
ANUAL
MBW (UK) Ltd.
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.
Z.A. d'Outreville
11
Rue
Jean
Baptiste
Néron,
60540 BORNEL
France
Email: mbwfrance@free.fr
Phone:+33 (0) 3 44 07 15 96
L19604 / 04.14.D
©MBW, Inc. 2004
Printed in the USA
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Summary of Contents for MBW GPR78H
- Page 1 GPR78 This manual covers the following serial numbers and higher for each model listed: GPR78...........7800110 VIBRATORY PLATES MBW, Inc. MBW (UK) Ltd. MBW FRANCE S.A.R.L. Units 2&3 CochraneStreet 250 Hartford Rd • PO Box 440 Z.A. d’Outreville Slinger, WI 53086-0440...
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Page 2: Table Of Contents
Base plate Disassembly Procedure ... . . 12 Safety Decals: GPR78H (Decal Set #16031) ..3 Handle Disassembly Procedure ....13 Specifications. - Page 3 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.
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Page 4: Safety Information
MBW does monoxide, a poisonous, odorless, invisible not by the publication of these precautions, imply or in any gas. Death or serious illness may result if way represent that these are the sum of all dangers present inhaled. - Page 5 Failure to comply could result in serious bodily injury. 527$7,1* 3$576 ENGINE .HHS KDQGV DZD\ 15867 OIL DRAIN #15867 #13484 15845 #15845 15874 WWW.MBW.COM 15848 #15848 #15874 M-B-W #15846 15848 15874 WWW.MBW.COM #15848 #15874 Safety Decals: GPR78S (Decal Set #16031)
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Page 6: Safety Decals: Gpr78H (Decal Set #16031)
Failure to comply could result in serious bodily injury. 15874 WWW.MBW.COM 15848 15866 #15874 15867 #15848 #15866 #15867 :$51,1* 527$7,1* 3$576 .HHS KDQGV DZD\ #13484 M-B-W #15846 15848 #15848 15874 WWW.MBW.COM #15874 Safety Decals: GPR78H (Decal Set #16031) - 3 -... -
Page 7: Specifications
PECIFICATIONS GRP78H GPR78D CENTRIFUGAL FORCE 7875 lbf (35 kN) 7875 lbf (35 kN) EXCITER (VPM) 4080 vpm 4080 vpm TRAVEL SPEED 82 ft./min. (25 m/min.) 82 ft./min. (25 m/min.) COMPACTION DEPTH 22 in. (56 cm) 22 in. (56 cm) WIDTH x LENGTH 17.7 X 32.3 in. -
Page 8: Operation
Compactor, inspect it for any visible damage done during shipment. Make sure the engine throttle works properly. Starting Diesel Engine Contact your nearest MBW Inc. Distributor if there are any problems. For detailed instructions refer to the engine Manual. Your new MBW Inc. Reversible Plate Compactor is When starting the engine, the throttle lever on the shipped complete and ready for use. -
Page 9: Stopping Engine
Stopping Engine WARNING To stop the compactor from traveling forward, return Always stop the engine before: the engine throttle to idle position. Adding fuel. Whenever possible, it is recommended to let the engine idle for one or two minutes before stopping. Leaving the equipment unattended for any amount of time. -
Page 10: Maintenance
4 oz. Chevron AW ISO or Rykon 32 Engine Refer to engine operator/owner manual MBW #01058 ---- 6-Pack (8 oz. bottles) MBW #17320 ---- 1 quart (32 oz.) Engine Maintenance The engine operating speed should be set to 3600 RPM. -
Page 11: Checking Hydraulic Fluid
Checking Hydraulic Fluid Remove the belt guard, refer to engine assembly To avoid contaminating the hydraulic oil clean all dirt pages. & debris from around the fill plug on handle. Loosen (do not remove) the four hex head Remove fill plug. With handle in operating position, oil capscrews (#28) securing the engine deck to the level to be at bottom edge of inside hole as shown. -
Page 12: Service
ERVICE Assembly and disassembly should be performed by a Service Tools service technician who has been factory trained on MBW equipment. The unit should be clean and free of debris. Part No. Description Pressure washing before disassembly is recommended. 17320 Ground Pounder®... -
Page 13: Main Disassembly Procedure (Gasoline Engine)
(#26) securing the handle mount (#6) Note: The seals (#27), guide ring (#10), and gaskets (#32 to the engine deck. and #34) should be replaced as a set. MBW recommends purchasing rebuild kit #17347 for ease 11. Remove the four hex head capscrews (#26) securing of repairs (Seals are pre-assembled to the spool). -
Page 14: Bleeding And Adjustment Of Hydraulic Controls
Loosen the bleeder screw (#5) located at the when cleaning the cover. hydraulic control housing of the exciter. 16. If you purchased the rebuild kit (MBW Part Number Fill the control head with hydraulic fluid as shown in 17347) go to step #20. -
Page 15: Base Plate Disassembly Procedure
are seen, hold the control handle in the reverse Disconnect the hydraulic line (#20) from the hydraulic position and tighten the bleeder. If air bubbles are still fitting. present at the end of the stroke, refill the control head Remove the four hex head flange screws (#22) with hydraulic oil and repeat this procedure. -
Page 16: Handle Disassembly Procedure
20. Press the idler gear (#21) off the idler shaft (#24) and Remove the four flat head socket screws (#34) remove the key. (#12). securing the spindle mounts (#6) to the shock mounts (#21). 21. Repeat steps 16 and 17 for the input shaft covers. Remove the four hex head flange screws (#33) 22. -
Page 17: Base Plate Assembly Procedure
Base plate Assembly Procedure 11. Place the idler shaft and gear assembly into the base plate housing in the forward location. Note: The Refer to Base Plate Assembly, page 26. housing is not symmetric. The input/pulley side of the housing has a pocket machined for the belt Clean all base plate components. - Page 18 19. Install the input shaft subassembly into the base plate 26. Press the shift shaft and ball bearing assembly into with the keyed end toward the left side (pulley side) of the helix pin carrier (#23) and secure with the internal the base plate.
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Page 19: Control Head Assembly Procedure
Press the hydraulic seal (#5) onto the piston shaft (#12). Be careful to orient the seal lip to face away 44. Pour in the exciter oil. Use only MBW Ground from the guide ring groove. Tip: Use approved Pounder Exciter Oil. The amount of exciter oil... -
Page 20: Handle Assembly Procedure
Assemble guide ring (#11), hydraulic seal (#9) and 13. Assemble shock mounts (#21) to handle tube (#8) shaft wiper seal (#8) into seal cap (#13). with flange lock screws (#33). Install washer seal (#2) and seal cap assembly (#13) 14. Assemble spindle mounts (#6) to shock mounts (#21) over piston shaft (#12) and into control head housing with flat head screws (#34). -
Page 21: Troubleshooting
Material build-up on bottom of plate, remove all debris from bottom of plate. Mechanical failure, requires authorized MBW service repair. Leaking hydraulic connections, tighten connections. Loss of hydraulic oil. Leaking hydraulic line, replace hydraulic hose. Worn or damaged piston seals, requires authorized MBW service repair. - 18 -... -
Page 22: Parts Replacement Cycles And Tolerances
Parts Replacement Cycles and Tolerances Replace anytime a bearing is rough, binding, discolored or removed from housing or Bearings shaft. Clutch Replace clutch if it does not disengage below 1800 rpm. Engine Components Refer to your engine manufacturer’s Owner’s Manual. Replace any worn or damaged hardware as needed. -
Page 23: Replacement Parts
Their sales engineers are available for professional consultation. If you cannot locate an MBW distributor in your area, contact MBW or one of our Sales Branches listed below. When ordering replacement parts, be sure to have the following information available: •... - Page 24 This page intentionally left blank. - 21 -...
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Page 25: Main Assembly
Main Assembly - 22 -... - Page 26 ITEM PART NO. DESCRIPTION 05477 SWIVEL, THROTTLE CABLE 10088 GROMMET, 11/16” I.D. 16442 BELLOWS 16496 BASE PLATE 16525 ROLL CAGE 16543 HANDLE MOUNT 16552 PLATE EXTENSION, 3” WIDE 16554 MOUNT, PLATE 16991 SHOCK MOUNT 17021 RUBBER MAT 17225 BUSHING, PLATE EXTENSION MOUNT 17340 POP-PIN, HANDLE 17462...
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Page 27: Handle Assembly
Handle Assembly - 24 -... - Page 28 ITEM PART NO. DESCRIPTION 11162 SCREW, 1/4 x 1.00, TEKS 16410 THREADED ROD, 1/2-13 x 3.00, PLATED 16493 HANDLE BUMPER 17058 TUBE CAP, ROUND 17177 RETAINING RING, EXTERNAL, 1.00 17402 SPINDLE HANDLE MOUNT 19268 THROTTLE LEVER 19411 TUBE, HANDLE 19412 HYDRAULIC CONTROL HEAD, COMPLETE 19414 BRACKET, SHIFT HANDLE...
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Page 29: Base Plate Assembly
DETAIL A DETAIL B SCALE 3 : 8 SCALE 3 : 8 Base Plate Assembly - 26 -... - Page 30 ITEM PART NO. DESCRIPTION 01099 WASHER 05559 PLUG, PLASTIC 09748 FITTING, PIPE, ELBOW, STR. x 1/8 09749 PLUG, BREATHER 16382 SHAFT SEAL 16386 DOWEL PIN, A8m6 x 65 16387 BALL BEARING, #626 16388 RETAINING RING, INTERNAL, METRIC 16389 E-RING, RETAINING RING, METRIC 16390 GUIDERING SEAL 16391...
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Page 31: Control Head Assembly
Control Head Assembly - 28 -... - Page 32 ITEM PART NO. DESCRIPTION 08355 HYDRAULIC FITTING 16359 WASHER SEALING, METRIC 16404 O-RING, METRIC, 30mm I.D. x 2 mm 16468 SLIDE BUSHING 16519 HYDRAULIC SEAL 17250 FITTING, SOCKET HEAD PLUG 19427 HOUSING, CONTROL HEAD 19430 SHAFT WIPER SEAL 19431 HYDRAULIC SHAFT SEAL 19433 BEARING, GUIDE RING 19434...
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Page 33: Gasoline Engine Assembly
Gasoline Engine Assembly - 30 -... - Page 34 ITEM PART NO. DESCRIPTION 00808 KEY, 1/4” SQUARE x 1-3/4” LG. 15674 ENGINE, HONDA GX270 17440 ENGINE, ROBIN EX270 16252 V-BELT 16538 BELT GUARD 16544 WASHER, CLUTCH 16559 SPACER, ENGINE SHAFT 16879 CLUTCH 16974 LINE, OIL DRAIN HONDA 8HP+ 18767 LINE, OIL DRAIN, HONDA/ROBIN 17465 BELT GUARD MOUNTING PLATE...
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Page 35: Diesel Engine Assembly
Diesel Engine Assembly - 32 -... - Page 36 ITEM PART NO. DESCRIPTION 00808 KEY, 1/4 SQ. x 1-3/4 LG. 14992 WASHER, COUNTERSINK 16250 V-BELT 16523 FITTING, PLUG, HYDRAULIC 16538 BELT GUARD 16559 SPACER, 1.375 x1.0 x .218 16563 DIESEL ENGINE, HATZ-1B30 16578 FITTING, ADAPTER, HYDRAULIC 16879 CLUTCH 17466 MOUNT, BELT GUARD 19623 HOSE, OIL DRAIN, GPR78...
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Page 37: Warranty
1.This warranty does not cover any Used Equipment. "Used Equipment" such replacement or repair is the exclusive remedy provided hereunder. means any MBW machine or equipment that is not a New Machine or a Labor must be performed at an authorized MBW distributor. MBW Demonstration Machine.
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