MBW GPR57 User manual

OPERATOR’SSAFETY
AND SERVICE MANUAL
MBW, Inc.
250 Hartford Rd • PO Box 440
Slinger, WI 53086-0440
Phone: [phone]
Fax: [phone]
Email: [e-mail]
Website: www.mbw.com
MBW Europe Ltd.
Units 2&3 CochraneStreet
Bolton BL3 6BN
England, UK
Phone: [phone]
Fax: [phone]
E-mail: PEZHXURSH#PEZFRP
MBW FR.R.L.
Z.A. d’Outreville
11 Rue Jean Baptiste
Néron,
60540 BORNEL
France
Email: [email protected]
Phone:[phone]


©MBW, Inc. 201
GPR44
This manual covers the following serial numbers
and higher for each model listed:
GPR78...........................................7800110
VIBRATORY PLATES
Website: www.mbweurope.com
©
GPR
is manual covers the following serial numbers
and higher for each model listed:
GPR78...........................................7800110

TABLE OFCONTENTS
Safety Information . . . . . . . . . . . . . . . . . . . . . . 1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Safety Decals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Safety Decals: GPR78H (Decal Set #16031) . . . . . . . 3
Specifications. . . . . . . . . . . . . . . . . . . . . . . . . .2
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Before Starting & Operating . . . . . . . . . . . . . . . . . . . . 3
Engine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Stopping Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Lifting/Transporting . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Maintenance Schedule . . . . . . . . . . . . . . . . . . . . . . . . 5
Fluid Levels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Engine Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Engine Speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Torque Chart. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Service Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Parts Replacement Cycles and Tolerances . . . . . . . 7
Replacement Parts . . . . . . . . . . . . . . . . . . . . .8
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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.
WARNING

- 1 -
SAFETY INFORMATION
Introduction
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. Make sure every
individual who operates or works with this equipment is
familiar with all safety precautions.
WARNING
GENERAL WARNING. Indicates information
important to the proper operation of the
equipment. Failure to observe may result in
damage to the equipment and/or severe bodily
injury or death.
CAUTION
GENERAL CAUTION. Indicates information
important to the proper operation of the
equipment. Failure to observe may result in
damage to the equipment.
Safety Precautions
LETHAL EXHAUST GAS: An internal
combustion engine discharges carbon
monoxide, a poisonous, odorless, invisible
gas. Death or serious illness may result if
inhaled. Operate only in an area with proper
ventilation. NEVER OPERATE IN A
CONFINED AREA!
DANGEROUS FUELS: Use extreme caution
when storing, handling and using fuels, as
they are highly volatile and explosive in vapor
state. Do not add fuel while engine is running.
Stop and cool the engine before adding fuel.
DO NOT SMOKE!
SAFETY GUARDS: It is the owner's
responsibility to ensure that all guards and
shields are in place and in working order.
IGNITION SYSTEMS: Breakerless, magneto,
and battery ignition systems can cause severe
electrical shocks. Avoid contacting these
units or their wiring.
SAFE DRESS: Do not wear loose clothing,
rings, wristwatches, etc. near machinery.
NOISE PROTECTION: Wear OSHA specified
hearing protection devices.
EYE PROTECTION: Wear OSHA specified
eye shields, safety glasses, and sweat bands.
FOOT PROTECTION: Wear OSHA specified
steel-tipped safety shoes.
HEAD PROTECTION: Wear OSHA specified
safety helmets.
DUST PROTECTION: Wear OSHA specified
dust mask or respirator.
OPERATOR: Keep children and bystanders
off and away from the equipment.
REFERENCES: For details on safety rules and regulations
in the United States, contact your local Occupational Safety
and Health Administration (OSHA) office. Equipment
operated in other countries must be operated and serviced
in accordance and compliance with any and all safety
requirements of that country. The publication of these
safety precautions is done for your information. MBW does
not by the publication of these precautions, imply or in any
way represent that these are the sum of all dangers present
near MBW equipment. If you are operating MBW
equipment, it is your responsibility to insure that such
operation is in full accordance with all applicable safety
requirements and codes. All requirements of the United
States Federal Occupational Safety and Health
Administration Act must be met when operated in areas that
are under the jurisdiction of that United States Department.
Safety Decals
Carefully read and follow all safety decals. Keep them in
good condition. If decals become damaged, replace as
required. If repainting the unit, replace all decals. Decals
are available from authorized MBW distributors. Order the
decal set listed on the following page(s).

- 2-
SPECIFICATIONS
Specifications subject to change without notice.
No universal method or formula has been accepted for determining “Compaction Force”. All manufactures employ their
own method or formula.
GRP
CENTRIFUGAL FORCE ϮϳϱϬ kgf (Ϯϳ kN)
EXCITER (VPM) vpm +]
TRAVEL SPEED 82 ft./min. (25 m/min.)
WIDTH x LENGTH ϰϯ X ϭϭϯ cm
OPERATING WEIGHT  kg
ENGINE <DQPDU/
FUEL  Diesel

- 3-
OPERATION
Introduction
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.
The MBW Reversible Plate Compactor is intended to
compact various soil types. Recommended soil types
include granular soils, gravel/sand mixtures, and semi-
granular cohesive soils.
The MBW Reversible Plate Compactor is not recommended
for use in cohesive soils nor for very hard surfaces such as
concrete or asphalt.
This parts manual contains only standard parts. Variations
of these parts as well as other special parts are not included.
Contact your local MBW distributor for assistance in
identifying parts not included in this manual.
Before Starting & Operating
After receiving your new MBW Inc. Reversible Plate
Compactor, inspect it for any visible damage done during
shipment. Make sure the engine throttle works properly.
Contact your nearest MBW Inc. Distributor if there are any
problems.
Your new MBW Inc. Reversible Plate Compactor is
shipped complete and ready for use.
• REMEMBER! It is the owner’s responsibility to
communicate information on the safe use and proper
operation of this unit to the operators.
• Review ALL of the Safety Precautions listed on page 1 of
this manual.
• Familiarize yourself with the operation of the machine
and confirm that all controls function properly.
• Know how to STOP the machine in case of an
emergency.
• Make sure hands, feet, and clothing are at a safe
distance from any moving parts.
• OIL LEVEL - Check the oil level in the engine. For more
information see “Lubrication” under the respective
engine’s “Owners Manual” or the Maintenance section of
this manual.
• AIR CLEANER - Check to ensure element is in good
condition and properly installed.
• FUEL SUPPLY - The engines on MBW Inc. compaction
equipment require an automotive grade of clean, fresh,
diesel fuel or unleaded gasoline dependent on engine
type. (See Engine “Owner’s Manual”)
• FUEL FILTER - If clogged or damaged, replace.
Engine
Refer to the engine manual for location of all controls and
features.
Starting Gasoline Engine
1. Open fuel valve.
2. Turn engine switch to “ON” position.
3. Set throttle to idle position.
4. 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 off or open position.
7. Allow engine to warm up for one or two minutes.
Starting Diesel Engine
For detailed instructions refer to the engine Manual.
1. When starting the engine, the throttle lever on the
handle must be in the idle position.
2. The engine has an automatic decompression
system, however it is recommended to slowly pull the
starter rope until you feel a slight resistance. Let the
starter rope recoil completely and pull the starter rope
quickly.
3. Let the engine warm up in the idle position for one or
two minutes.
Operating
1. After the engine warms up, fully open throttle.
2. The compactor will begin vibrating and moving in a
forward direction. Never leave compactor idling
unattended.
3. The MBW Reversible Plate Compactor is designed to
shift into forward automaticly when control lever is
released. The number of passes needed to reach the
compaction level desired will depend on soil type and
moisture. Maximum compaction of the soil has been
reached when excessive kickback is noticed in the
compactor.

Stopping Engine
1. To stop the compactor from traveling forward, return
the engine throttle to idle position.
2. Whenever possible, it is recommended to let the
engine idle for one or two minutes before stopping.
3. Gas engines: Turn the switch on the engine to
“STOP” position.
Diesel engines: Move the throttle control to the
“STOP” position.
4. Turn off the fuel valve where applicable.
Lifting/Transporting
1. Lift unit by center lifting eye on roll cage.
2. The unit must be transported in the upright position.
DO NOT lay machine on its side.
3. Secure or tiedown unit using lift eye or roll cage when
transporting.
WARNING
Always stop the engine before:
Adding fuel.
Leaving the equipment unattended for any
amount of time.
Before making any repairs or adjustments to the
machine.
- 4-

- 5-
MAINTENANCE
WARNING
Always exercise the stopping procedure before
servicing or lubricating the unit.
After servicing the unit, replace and fasten all
guards, shields, and covers to their original
positions before resuming operation.
CAUTION
Always verify fluid levels and check for leaks after
changing fluids.
Do not drain oil onto ground, into open streams,
or down sewage drains.
Maintenance Schedule
1. Check all hardware after the first 5 hours of use, then follow the maintenance schedule.
Fluid Levels
1. MBW #01058---- 6-Pack (8 oz. bottles)
MBW #17320---- 1 quart (32 oz.)
Engine Maintenance
Refer to the engine owner’s manual for maintenance
intervals and procedures.
Engine Speed
1. Engine speed is factory set.
Do not tamper with the governor setting. The governor
establishes safe operating limits which must not be
exceeded.
2. Refer to the engine Owner’s Manual for procedure on
setting operating and idle speeds.
3. The engine operating speed should be set to 3600
RPM.
4. The engine idle speed must not exceed 1800 RPM. If
the idle speed is greater than 1800 RPM the clutch
may not disengage.
Belt Adjustment
If any belt stretch develops follow these steps:
Refer to MAIN ASSEMBLY, page 22.
SYSTEM MAINTENANCE EACH
USE
EVERY 50
HOURS
EVERY 100
HOURS
EVERY 250
HOURS YEARLY
Engine Refer to engine operator/owner manual X
Clean cooling fins XX
Belt Check for wear and retighten X
Exciter Check for oil leaks X
Change oil XX
Tighten Bolts1XX
Hydraulics Check level and refill X
Hardware Check and tighten as needed1XX
Shockmounts Check for cracks or tears XX
SYSTEM FLUID VOLUME RECOMMENDED OIL
Exciter 24 oz. MBW Ground Pounder®Exciter Oil1
Hydraulic Oil 4 oz. Chevron AW ISO or Rykon 32
Engine Refer to engine operator/owner manual

- 6-
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.
• Prior to assembly, wash all parts in a suitable cleaner or
solvent.
• Check moving parts for wear and failure. Refer to the
Replacement section in this manual for tolerance and
replacement cycles.
• All shafts and housings should be oiled prior to pressing
bearings. Also, ensure that the bearings are pressed
square and are seated properly.
• All bearings should be replaced when rebuilding any
exciter or gearbox.
• All gaskets and seals should be replaced after any
disassembly.
Torque Chart
Service Tools
Main Disassembly Procedure (Diesel Engine)
Refer to Main Assembly, page 22 for disassembly.
1. Clean all visible debris from the machine before
servicing.
2. Remove the four hex head capscrews (#28) securing
the engine deck (#19) to the base plate (#4). Use
caution as the engine deck will drop down.
Refer to Diesel Engine Assembly, page 32 Sections of
this manual for belt guard & belt removal.
3. Remove the four socket head capscrews (#15)
securing the belt guard (5) to the mount plate (#11) on
the engine (#8) and remove the belt guard.
4. Slide the belt (#3) off the clutch (#10).
5. Remove the two flange screws (#23) securing the
bellows retainer (#13), and remove the retainer.
6. Push the lip of the bellows (#3) through the hole in the
engine deck.
7. Disconnect the hydraulic line (#20) from the control
head in the handle assembly. Keep the end of the
hydraulic line and control head fitting free of dirt and
debris by using tape. Remove tie strap holding
hydraulic hose & throttle cable together. Be careful
to use a drain pan to catch the hydraulic oil.
8. Use the main lift hook on the roll cage (#5) to
separate the engine deck from the base plate. Be
careful to guide the hydraulic line through the
handle assembly and engine deck as the
subassemblies are separated to prevent damage
to components. If further disassembly of the engine
deck is required proceed to step 9. If base plate
service is required refer to the Base plate
Disassembly Procedure section of this manual.
9. Disconnect the throttle cable (#21) from the engine.
10. Remove the handle assembly by removing the four
flange screws (#26) securing the handle mount (#6)
to the engine deck.
11. Remove the four hex head capscrews (#26) securing
the roll cage to the engine deck and remove the roll
cage
SIZE GRADE 2 GRADE 5 GRADE 8
1/4-20 49 in•lbs 76 in•lbs 9 ft•lbs
1/4-28 56 in•lbs 87 in•lbs 10 ft•lbs
5/16-18 8 ft•lbs 13 ft•lbs 18 ft•lbs
5/16-24 9 ft•lbs 14 ft•lbs 20 ft•lbs
3/8-16 15 ft•lbs 23 ft•lbs 33 ft•lbs
3/8-24 17 ft•lbs 26 ft•lbs 37 ft•lbs
7/16-14 24 ft•lbs 37 ft•lbs 52 ft•lbs
7/16-20 27 ft•lbs 41 ft•lbs 58 ft•lbs
1/2-13 37 ft•lbs 57 ft•lbs 80 ft•lbs
1/2-20 41 ft•lbs 64 ft•lbs 90 ft•lbs
9/16-12 53 ft•lbs 82 ft•lbs 115 ft•lbs
5/8-11 73 ft•lbs 112 ft•lbs 159 ft•lbs
5/8-18 83 ft•lbs 112 ft•lbs 180 ft•lbs
3/4-16 144 ft•lbs 200 ft•lbs 315 ft•lbs
1-8 188 ft•lbs 483 ft•lbs 682 ft•lbs
1-14 210 ft•lbs 541 ft•lbs 764 ft•lbs
1-1/2-6 652 ft•lbs 1462 ft•lbs 2371 ft•lbs
M 6 3 ft•lbs 4 ft•lbs 7 ft•lbs
M 8 6 ft•lbs 10 ft•lbs 18 ft•lbs
M 10 10 ft•lbs 20 ft•lbs 30 ft•lbs
CONVERSIONS
in•lbs x 0.083 = ft•lbs
ft•lbs x 12 = in•lbs
ft•lbs x 0.1383 = kg•m
ft•lbs x 1.3558 = N•m
Part No. Description
17320 Ground Pounder® Exciter Oil
016129 Rubber Test Mat

- 7-
Parts Replacement Cycles and Tolerances
Bearings Replace anytime a bearing is rough, binding, discolored or removed from housing or
shaft.
Clutch Replace clutch if it does not disengage below 1800 rpm.
Engine Components Refer to your engine manufacturer’s Owner’s Manual.
Hardware Replace any worn or damaged hardware as needed. Replacement hardware should
be grade 5 and zinc plated unless otherwise specified.
Safety Decals Replace if they become damaged or illegible.
Seals & Gaskets Replace if a leak is detected and at every overhaul or teardown.
V-Belts Replace if cracked, torn, or stretched to the point the belt won’t tension properly.

- 8-
MBW, Inc.
250 Hartford Rd • PO Box 440
Slinger, WI 53086-0440
Phone: [phone]
Fax: [phone]
Email: [e-mail]
Website: www.mbw.com
Contact Information
REPLACEMENT PARTS
The warranty is stated in this book on page 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. 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:
• Model and Serial Number of machine when ordering
MBW parts
• Model and Serial Number of engine when ordering
engine parts
• Part Number, Description, and Quantity
• Company Name, Address, Zip Code, and Purchase
Order Number
• Preferred method of shipping
REMEMBER - You own the best! If repairs are needed,
use only MBW parts purchased from authorized
MBW distributors.
The unit’s serial number can be found in the following
locations:
• The model/serial number decal is located on the engine
deck side plate behind the engine as shown above.
• The serial number is stamped on the bottom plate
housing (top edge near right rear shockmount) and the
back end of the engine deck as shown above
Write Model Number here
Write Serial Number here
MBW Europe Ltd.
Units 2&3 CochraneStreet
Bolton BL3 6BN
England, UK
Phone: [phone]
Fax: [phone]
E-mail: [email protected]

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- 9-
Vibrating Plate
ITEM
NO. PART NO. DESCRIPTION QTY. COMMENTS
1 MBW-160-1A VIBRATING PLATE 1
2 MBW-160-2A SHOCK ABSORBER 4
3 MBW-160-3A NUT M12 4
4 MBW-160-4A SW M12 8
5 MBW-160-5A BOLT M12x30T 4
6 MBW-160-6A WASHER 4
7 MBW-160-7A OIL GAUGE 1
8 MBW-160-8A PACKING 1
Vibrating Plate
ITEM
NO. PART NO. DESCRIPTION QTY. COMMENTS
1 MBW-160-1A VIBRATING PLATE 1
2 MBW-160-2A SHOCK ABSORBER 4
3 MBW-160-3A NUT M12 4
4 MBW-160-4A SW M12 8
5 MBW-160-5A BOLT M12x30T 4
6 MBW-160-6A WASHER 4
7 MBW-160-7A OIL GAUGE 1
8 MBW-160-8A PACKING 1

This page
intentionally
left blank

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- 1ϭ-
Body
ITEM
NO. PART NO. DESCRIPTION QTY. COMMENTS
1 MBW-160-1B BASE 1
2 MBW-160-2B ENGINE 1
3 MBW-160-3B BOLT M10x40T 3
3-1 MBW-160-3-1B BOLT M10x35T 1
4 MBW-160-4B SW M10 4
5 MBW-160-5B PW M10 4
6 MBW-160-6B BELT COVER PLATE 1
7 MBW-160-7B BOLT M8x20T 4
8 MBW-160-8B SPACER 1
9 MBW-160-9B CLUTCH ASSEMBLY 1
10 MBW-160-10B KEY 5x5x30 1
11 MBW-160-11B CLUTCH WASHER 1
12 MBW-160-12B SOCKET HEAD BOLT M8x25T 1
13 MBW-160-13B V-BELT 1
14 MBW-160-14B DUST COVER 1
15 MBW-160-15B FLAT HEAD SCREW M6x60T 2
16 MBW-160-16B SPONGE, DUST COVER 1
17 MBW-160-17B BELT COVER OUT 1
18 MBW-160-18B SOCKET HEAD BOLT M8x60T 3
19 MBW-160-19B SOCKET HEAD BOLT M8x20T 1
20 MBW-160-20B RUBBER COVER 1
21 MBW-160-21B PLATE, RUBBER COVER 1
22 MBW-160-22B BOLT M8x25T 2
23 MBW-160-23B SW M8 2
24 MBW-160-24B PW M8 2
25 MBW-160-25B NYLON NUT M8 2
26 MBW-160-26B UNION 1
27 MBW-160-27B DRAIN HOSE 1
28 MBW-160-28B HOSE CLAMP 2
29 MBW-160-29B GASKET 2
30 MBW-160-30B PLUG 1
31 MBW-160-31B JOINT BLOCK 1
32 MBW-160-32B BOLT M8x20T 1
33 MBW-160-33B SW M8 1
34 MBW-160-34B SEAL WASHER 1
35 MBW-160-35B GUARD FRAME 1
36 MBW-160-36B BOLT M10x25T 4
37 MBW-160-37B SW M10 4

- 1Ϯ-
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- 1ϯ-
Vibrator Assembly
ITEM
NO. PART NO. DESCRIPTION QTY. COMMENTS
A MBW-160-C VIBRATOR ASSEMBLY 1
1 MBW-160-1C VIBRATING CASE 1
2 MBW-160-2C ROLLER BEARING 4
3 MBW-160-3C ROTARY SHAFT, DRIVE 1
4 MBW-160-4C ROTARY SHAFT, DRIVEN 1
5 MBW-160-5C STOP RING S-35 8
6 MBW-160-6C KEY 10x8x19 1
7 MBW-160-7C BEARING 6907 2
8 MBW-160-8C PISTON ROD 1
9 MBW-160-9C PIN 8x50 1
10 MBW-160-10C BEARING 6000ZZ 2
11 MBW-160-11C STOP RING S-10 1
12 MBW-160-12C PISTON, 22.4ID 1
13 MBW-160-13C PACKING 1
14 MBW-160-14C STOP RING R-26 1
15 MBW-160-15C ECCENTRIC ROTATOR 4
16 MBW-160-16C SOCKET HEAD BOLT M10x30T 4
17 MBW-160-17C OIL SEAL SC-28458 1
18 MBW-160-18C BEARING COVER 1
19 MBW-160-19C BOLT M8x20T 4
20 MBW-160-20C SW M8 4
21 MBW-160-21C PW M8 4
22 MBW-160-22C SEAL CAP 1
23 MBW-160-23C CYLINDER 1
24 MBW-160-24C BOLT M8x20T 4
25 MBW-160-25C SW M8 4
26 MBW-160-26C PW M8 4
27 MBW-160-27C GEAR (DRIVE) 1
28 MBW-160-28C GEAR (DRIVEN) 1
29 MBW-160-29C BOLT M8x12T 1
30 MBW-160-30C COPPER PACKING 8x16x2 1
31 MBW-160-31C CONNECTOR 1
32 MBW-160-32C PULLEY 1
33 MBW-160-33C KEY 7x7x20 1
34 MBW-160-34C WASHER 1
35 MBW-160-35C BOLT M8x35 1
36 MBW-160-36C SW M8 1
37 MBW-160-37C BOLT M12x35T 2
38 MBW-160-38C BOLT M12x120T 6
39 MBW-160-39C SW M12 8
40 MBW-160-40C PW M12 8
41 MBW-160-41C BELT COVER (LOWER) 1
42 MBW-160-42C SOCKET HEAD BOLT M6x45T 5

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