WACKER NEUSON VPH70 Vibratory Plate Compactor Instruction Manual

June 10, 2024
WACKER NEUSON

WACKER NEUSON VPH70 Vibratory Plate Compactor Instruction Manual

WACKER NEUSON VPH70 Vibratory Plate Compactor Instruction
Manual

Operator’s Manual
Vibroplate
VPH70

EN
5000403284 06

1218

5000403284

Copyright notice

© Copyright 2018 by Wacker Neuson Machinery (China) Co., Ltd.
All rights, including copying and distribution rights, are reserved.
This publication may be photocopied by the original purchaser of the machine. Any other type of reproduction is prohibited without express written permission from Wacker Neuson Machinery (China) Co., Ltd.
Any type of reproduction or distribution not authorized by Wacker Neuson Machinery (China) Co., Ltd. represents an infringement of valid copyrights. Violators will be prosecuted.

Trademarks All trademarks referenced in this manual are the property of their respective owners.

Manufacturer

Wacker Neuson Machinery (China) Co., Ltd. No. 1688 Xinkai Road, Pinghu Economic Development Zone, Pinghu City, Zhejiang Province, P.R. China www.wackerneuson.com

Original

This Operator’s Manual presents the original instructions. The original language of this

instructions Operator’s Manual is American English.

Foreword

VPH70

Foreword

Machines covered in this manual

SAVE THESE INSTRUCTIONS–This manual contains important instructions for the machine models listed below. These instructions must be followed during installation and maintenance of the machine (and battery, if equipped).

Machine VPH70

Item Number 5000006907

wpm_gr013519

Machine

A nameplate listing the model number, item number, revision number, and serial

identification number is attached to this machine. The location of the nameplate is shown above.

Serial number For future reference, record the serial number in the space provided below. You will

(S/N)

need the serial number when requesting parts or service for this machine.

Serial Number:

Machine

documentation

From this point forward in this documentation, Wacker Neuson Machinery (China) Co., Ltd. will be referred to as Wacker Neuson.
Keep a copy of the Operator’s Manual with the machine at all times.
If you are missing any of these documents, please contact Wacker Neuson to order a replacement or visit www.wackerneuson.com.
When ordering parts or requesting service information, be prepared to provide the machine model number, item number, revision number, and serial number.

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Foreword

VPH70

Expectations This manual provides information and procedures to safely operate and

for

maintain the above Wacker Neuson model(s). For your own safety and to

information in this manual

reduce the risk of injury, carefully read, understand, and observe all instructions described in this manual.

Wacker Neuson expressly reserves the right to make technical modifications,

even without notice, which improve the performance or safety standards of its

machines.

The information contained in this manual is based on machines manufactured

up until the time of publication. Wacker Neuson reserves the right to change

any portion of this information without notice.

The illustrations, parts, and procedures in this manual refer to Wacker Neuson

factory-installed components. Your machine may vary depending on the

requirements of your specific region.

CALIFORNIA Proposition 65 Warning

Combustion exhaust, some of its constituents, and certain vehicle components contain or emit chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Laws pertaining to spark arresters

NOTICE: State Health Safety Codes and Public Resources Codes specify that in certain locations spark arresters be used on internal combustion engines that use hydrocarbon fuels. A spark arrester is a device designed to prevent accidental discharge of sparks or flames from the engine exhaust. Spark arresters are qualified and rated by the United States Forest Service for this purpose. In order to comply with local laws regarding spark arresters, consult the engine distributor or the local Health and Safety Administrator.

Manufacturer’s approval

This manual contains references to approved parts, attachments, and modifications. The following definitions apply:
Approved parts or attachments are those either manufactured or provided by Wacker Neuson.
Approved modifications are those performed by an authorized Wacker Neuson service center according to written instructions published by Wacker Neuson.
Unapproved parts, attachments, and modifications are those that do not meet the approved criteria.
Unapproved parts, attachments, or modifications may have the following consequences:
Serious injury hazards to the operator and persons in the work area Permanent damage to the machine which will not be covered under warranty Contact your Wacker Neuson dealer immediately if you have questions about approved or unapproved parts, attachments, or modifications.

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Table of Contents

Foreword

3

1 Safety Information

7

1.1 Signal Words Used in this Manual ………………………………………………. 7 1.2 Machine Description and Intended Use ……………………………………….. 8 1.3 Operating Safety ………………………………………………………………………. 9 1.4 Operator Safety while Using Internal Combustion Engines …………… 11 1.5 Service Safety ………………………………………………………………………… 12

2 Labels

14

2.1 Label Locations ………………………………………………………………………. 14 2.2 Label Meanings ………………………………………………………………………. 15

3 Lifting and Transporting

17

4 Operation

18

4.1 Preparing the Machine for First Use …………………………………………… 18 4.2 Recommended Fuel ………………………………………………………………… 18 4.3 Application ……………………………………………………………………………… 19 4.4 Before Starting the Machine ……………………………………………………… 19 4.5 Starting the Machine ………………………………………………………………… 20 4.6 Stopping the Machine ………………………………………………………………. 20 4.7 Operation ……………………………………………………………………………….. 21

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Table of Contents

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5 Maintenance

22

5.1 Maintaining the Emission Control System …………………………………….22 5.2 Periodic Maintenance Schedule ………………………………………………….22 5.3 Servicing the Spark Plug ……………………………………………………………24 5.4 Servicing the Air Cleaner ……………………………………………………………25 5.5 Changing the Engine Oil ……………………………………………………………26 5.6 Cleaning the Sediment Cup ……………………………………………………….26 5.7 Adjusting the Carburetor ……………………………………………………………27 5.8 Servicing the Drive Belt ………………………………………………………………28 5.9 Cleaning the Plate ……………………………………………………………………..28 5.10 Storage…………………………………………………………………………………….28

6 Troubleshooting

29

7 Technical Data

30

7.1 Engine Data………………………………………………………………………………30 7.2 Machine Data ……………………………………………………………………………31 7.3 Sound Measurements ………………………………………………………………..31

8 Dimensions

32

6

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Safety Information

1 Safety Information

1.1 Signal Words Used in this Manual

This manual contains DANGER, WARNING, CAUTION, NOTICE, and NOTE signal words which must be followed to reduce the possibility of personal injury, damage to the equipment, or improper service.

This is the safety alert symbol. It is used to alert you to potential personal hazards. f Obey all safety messages that follow this symbol.

DANGER DANGER indicates a hazardous situation which, if not avoided, will result in death or serious injury.
f To avoid death or serious injury from this type of hazard, obey all safety messages that follow this signal word.

WARNING WARNING indicates a hazardous situation which, if not avoided, could result in death or serious injury.
f To avoid possible death or serious injury from this type of hazard, obey all safety messages that follow this signal word.

CAUTION CAUTION indicates a hazardous situation which, if not avoided, could result in minor or moderate injury. f To avoid possible minor or moderate injury from this type of hazard, obey all
safety messages that follow this signal word.
NOTICE: Used without the safety alert symbol, NOTICE indicates a situation which, if not avoided, could result in property damage.
Note: A Note contains additional information important to a procedure.

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Safety Information

1.2 Machine Description and Intended Use

The Wacker Neuson vibratory plate offers functionality and performance. The compact design allows for compaction of mixed soils in the narrowest of spaces– even in extremely narrow trenches.
This machine is optimally suited for a variety of compaction applications with high speed and simple maneuverability. It has:
Compact design with central mounted, fully closed exciter for an even spread of compactive force over the whole base plate.
Sturdy 4-stroke petrol or diesel engine with recoil starter is isolated from vibration by rubber dumpers.
Vibration isolated reversible handle with throttle control for ease of operation and reduced operator fatigue.

This machine has been designed and built strictly for the intended use described above. Using the machine for any other purpose could permanently damage the machine or seriously injure the operator or other persons in the area. Machine damage caused by misuse is not covered under warranty.
The following are some examples of misuse:
Using the machine as a ladder, support, or work surface Using the machine to carry or transport passengers or equipment Operating the machine outside of factory specifications Operating the machine in a manner inconsistent with all warnings found on the
machine and in the Operator’s Manual.

This machine has been designed and built in accordance with the latest global safety standards. It has been carefully engineered to eliminate hazards as far as practicable and to increase operator safety through protective guards and labeling. However, some risks may remain even after protective measures have been taken. They are called residual risks. On this machine, they may include exposure to:
Heat, noise, exhaust, and carbon monoxide from the engine Fire hazards from improper refueling techniques Fuel and its fumes Personal injury from improper lifting techniques
To protect yourself and others, make sure you thoroughly read and understand the safety information presented in this manual before operating the machine.

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Safety Information

1.3 Operating Safety

Operator training

Before operating the machine: Read and understand the operating instructions contained in all manuals
delivered with the machine. Familiarize yourself with the location and proper use of all controls and safety
devices. Contact Wacker Neuson for additional training if necessary.
When operating this machine: Do not allow improperly trained people to operate the machine. People
operating the machine must be familiar with the potential risks and hazards associated with it. Only trained personnel are permitted to start, operate, and shut down the machine. They also must meet the following qualifications: have received instruction on how to properly use the machine are familiar with required safety devices
The machine must not be accessed or operated by: children people impaired by alcohol or drugs

Application area

Be aware of the application area. Keep unauthorized personnel, children, and pets away from the machine. Remain aware of changing positions and the movement of other equipment and
personnel in the application area/job site.
Be aware of the application area. Do not operate the machine in areas that contain flammable objects, fuels, or
products that produce flammable vapors.

Safety
devices, controls, and attachments

Only operate the machine when: All safety devices and guards are in place and in working order. All controls operate correctly. The machine is set up correctly according to the instructions in the Operator’s
Manual. The machine is clean. The machine’s labels are legible.
To ensure safe operation of the machine: Do not operate the machine if any safety devices or guards are missing or
inoperative. Do not modify or defeat the safety devices. Only use accessories or attachments that are approved by Wacker Neuson.

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Safe operating practices

Safety Information
When operating this machine: Remain aware of the machine’s moving parts. Keep hands, feet, and loose
clothing away from the machine’s moving parts.
When operating this machine: Do not operate a machine in need of repair.

Personal Protective Equipment (PPE)

Wear the following Personal Protective Equipment (PPE) while operating this machine:
Close-fitting work clothes that do not hinder movement Safety glasses with side shields Hearing protection Safety-toed footwear

Transporting and installing the machine

Never allow untrained personnel to operate or service the vibratory plate. Do not stand under the machine while it is being hoisted or moved. Do not attach equipment to the machine when it is suspended. Always transport the machine in an upright position. Always position and operate the machine on a firm, noncombustible, level
surface. Always make certain the machine is well-grounded and securely fastened to a
good earthen ground per national and local regulations.

General Safety

Do not operate the machine when open containers of fuel, paint, or other flammable liquids are near.
Do not operate the machine, or tools attached to the machine, with wet hands.. Do not enclose or cover the machine when it is in use or when it is hot. Do not operate the machine in snow, rain, or standing water. Do not stand on the machine.

Machine vibration
After use

Vibratory plate vibrate in normal use. During and after the use of the machine, inspect the machine before storing it. Have damaged items repaired or replaced as necessary.
Store the machine properly when it is not being used. The machine should be stored in a clean, dry location out of the reach of children.

Cleaning

When cleaning and servicing the machine: Keep the machine clean and free of debris such as leaves, paper, cartons, etc. Keep the labels legible.
When cleaning the machine: Do not clean the machine while it is running. Never use gasoline or other types of fuels or flammable solvents to clean the
machine. Fumes from fuels and solvents can become explosive.

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Safety Information

1.4 Operator Safety while Using Internal Combustion Engines

WARNING Internal combustion engines present special hazards during operation and fueling. Failure to follow the warnings and safety standards could result in severe injury or death. f Read and follow the warning instructions in the engine owner’s manual and the
safety guidelines below.

Refueling safety
Operating safety

When refueling the engine: Do not smoke. Do not refuel if the machine is sitting in a truck fitted with a plastic bed liner.
Static electricity can ignite the fuel or fuel vapors. Do not refuel a hot or running engine. Do not refuel the engine near an open flame.
When refueling the engine, always: Refill the fuel tank in a well-ventilated area. Reinstall the fuel tank cap after refueling.
When operating the machine: Check the fuel lines and the fuel tank for leaks and cracks before starting the
engine. Do not run the machine if fuel leaks are present or the fuel lines are loose. Do not run the engine near open flames. Do not start the engine if fuel has spilled or a fuel odor is present. Move the
machine away from the spill and wipe it dry before starting. Do not smoke while operating the machine.

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VPH70

Safety Information

1.5 Service Safety

Service training

Before servicing or maintaining the machine:
Read and understand the instructions contained in all manuals delivered with the machine.
Familiarize yourself with the location and proper use of all controls and safety devices.
Only trained personnel shall troubleshoot or repair problems occurring with the machine.
Contact Wacker Neuson for additional training if necessary.
When servicing or maintaining this machine:
Do not allow improperly trained people to service or maintain the machine. Personnel servicing or maintaining the machine must be familiar with the associated potential risks and hazards.

Precautions

Follow the precautions below when servicing or maintaining the machine.
Read and understand the service procedures before performing any service to the machine.
All adjustments and repairs must be completed before operating the machine. Do not operate the machine with a known problem or deficiency.
All repairs and adjustments shall be completed by a qualified technician. Turn off the machine before performing maintenance or making repairs. Remain aware of the machine’s moving parts. Keep hands, feet, and loose
clothing away from the machine’s moving parts. Re-install the safety devices and guards after repair and maintenance
procedures are complete.

Machine modifications

When servicing or maintaining the machine: Use only accessories/attachments that are approved by Wacker Neuson.
When servicing or maintaining the machine: Do not defeat safety devices. Do not modify the machine without the express written approval of Wacker
Neuson.

Replacing
parts and labels

Replace worn or damaged components.
Replace all missing and hard-to-read labels.
When replacing electrical components, use components that are identical in rating and performance to the original components.
When replacement parts are required for this machine, use only Wacker Neuson replacement parts or those parts equivalent to the original in all types of specifications, such as physical dimensions, type, strength, and material.

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Cleaning
Personal Protective Equipment (PPE)

Safety Information
When cleaning and servicing the machine: Keep the machine clean and free of debris such as leaves, paper, cartons, etc. Keep the labels legible.
When cleaning the machine: Do not clean the machine while it is running. Never use gasoline or other types of fuels or flammable solvents to clean the
machine. Fumes from fuels and solvents can become explosive.
Wear the following Personal Protective Equipment (PPE) while servicing or maintaining this machine: Close-fitting work clothes that do not hinder movement Safety glasses with side shields Hearing protection Safety-toed footwear
In addition, before servicing or maintaining the machine: Tie back long hair. Remove all jewelry (including rings).

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2 Labels 2.1 Label Locations

Labels

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A I

C

G

J

B H
F
14

D E
wpm_gr013520

VPH70
2.2 Label Meanings
A B
C
D E
F

Labels
WARNING! To prevent hearing loss, wear hearing protection when operating this machine. CAUTION! Hot Surface Label
Engine Emission Label
Throttle control lever: Turtle = Idle or Slow Rabbit = Full or Fast
Set choke lever. Set fuel valve.
1300 Wacker Label

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VPH70
G H
I J

Company Label

Labels

A nameplate listing the model number, item number, revision number, and serial number is attached to each unit. Please record the information found on this nameplate so it will be available should the nameplate become lost or damaged. When ordering parts or requesting service information, you will always be asked to specify the model number, item number, revision number, and serial number of the unit.
NOTICE Lifting point

ON / OFF Label

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Lifting and Transporting

3 Lifting and Transporting

Lifting the Machine

This machine is heavy enough to cause injury if proper lifting techniques are not used. Observe the following guidelines when lifting the vibroplate.
Do not attempt to lift the machine unassisted. Use appropriate lifting equipment such as slings, chains hooks, ramps or jacks.
Make sure lifting equipment is attached securely and has enough weightbearing capacity to lift or hold the machine safely.
Remain aware of the location of other people nearby when lifting the machine.

wpm_gr013522

Transporting the Machine

Observe the following guidelines when transporting the vibroplate to and from the job site.
Drain the fuel tank before transporting the machine. Ensure that the machine is securely strapped down in the transport vehicle to
prevent it from sliding or tipping. Do not refuel the machine in or on the transport vehicle. Move the machine to its
operating location and then fill the fuel tank.

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Operation

4 Operation

4.1 Preparing the Machine for First Use

1. Make sure all loose packaging materials have been removed from the machine.
2. Check the machine and its components for damage. If there is visible damage, do not operate the machine! Contact your Wacker Neuson dealer immediately for assistance.
3. Take inventory of all items included with the machine and verify that all loose components and fasteners are accounted for.
4. Attach component parts not already attached.
5. Add fluids as needed and applicable, including fuel, engine oil, and battery acid.
6. Move the machine to its operating location.

4.2 Recommended Fuel
The engine requires regular grade unleaded gasoline. Use only fresh, clean gasoline. Gasoline containing water or dirt will damage the fuel system. Consult the engine owner’s manual for complete fuel specifications.

Use of oxygenated fuels

Some conventional gasolines are blended with alcohol. These gasolines are collectively referred to as oxygenated fuels. If you use an oxygenated fuel, be sure it is unleaded and meets the minimum octane rating requirement.
Before using an oxygenated fuel, confirm the fuel’s contents. Some states and provinces require this information to be posted on the fuel pump.

Ethanol

The following is the Wacker Neuson approved percentage of oxygenates:
(Ethyl or grain alcohol) 10% by volume. You may use gasoline containing up to 10% ethanol by volume (commonly referred to as E10). Gasoline containing more than 10% ethanol (such as E15, or E85) may not be used because it could damage the engine.
If you notice any undesirable operating symptoms, try another service station, or switch to another brand of gasoline.
Fuel system damage or performance problems resulting from the use of an oxygenated fuel containing more than the percentages of oxygenates above are not covered under warranty.

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Operation

4.3 Application

This plate is designed for compacting loose, granular soils, gravel, and paving stones. It is intended to be used in confined areas and areas next to structures such as walls, curbs, and foundations. Plates equipped with water tanks can be used for compacting asphalt.
This plate is not recommended for compacting cohesive soils with a heavy clay content. For cohesive soil, use a vibratory rammer or sheepsfoot roller.

4.4 Before Starting the Machine

Check

Read and understand the safety and operating instructions at the beginning of this manual.
Oil level in the engine Fuel level Condition of the air cleaner Tightness of the external fasteners Condition of the fuel lines

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Operation

4.5 Starting the Machine

Procedure

Perform the procedures below to start the machine.
1. Turn the fuel cock to the “ON” (OPEN) position (a1). Note: If the engine is cold, move the choke lever to close position (b1). If the engine is hot, set the choke to open position (b2).
2. Move the governor lever to left a little (c1).
3. Turn the engine switch to “ON” postion. (d1)
4. Pull the starter rope (e).
5. Note: Don’t allow the starter grip to snap back against the engine. Return it gently to prevent damage to the starter.
6. Preheat the engine and push back the choke lever to the “OPEN” position (f1).
7. Move the throttle lever to proper position to make the gasoline engine run at required velocity. (g1)

a

b

a2 a1

b1

b2

d1

d

d2

e

g

c c2
c1
f f1

g1
wpm_gr011255

Result

The machine is now ready

4.6 Stopping the Machine

Procedure

Perform the following procedures to stop the engine. 1. Reduce the engine rpm to idle by moving the throttle completely to the left (g). 2. Turn the engine switch to “OFF” (d2) 3. Close the fuel valve by moving the lever to the left (a2).

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Operation

4.7 Operation

Run the engine at full throttle and allow the plate to pull itself along at its normal speed. When operating on an incline, it may be necessary to assist the plate by pushing it forward slightly. When operating downhill, hold the plate back slightly, if it begins to pickup speed. Depending on the material being compacted, three or four passes are recommended to achieve the best compaction.
While a certain amount of moisture in the soil is necessary, excessive moisture may cause soil particles to stick together and prevent good compaction. If the soil is extremely wet, allow it to dry somewhat before compacting.
If the soil is so dry as to create dust clouds while operating the plate, some moisture should be added to the ground material to improve compaction. This will also reduce service to the air filter.
For compacting asphalt, use a water tank to wet the asphalt and the underside of the plate. This will prevent the asphalt material from sticking. Two passes are usually sufficient to ensure good compaction.
When using the plate on paving stones, attach a pad to the bottom of the plate to prevent chipping or grinding the stones. A special polyurethane pad designed for this purpose is available as an optional accessory.
NOTICE: Do not operate the plate on concrete or on extremely hard, dry, compacted surfaces. The plate will jump rather than vibrate and could damage both the plate and the engine.

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Maintenance

5 Maintenance

5.1 Maintaining the Emission Control System

Normal maintenance, replacement, or repair of emission control devices and systems may be performed by any repair establishments or individual; however, warranty repairs must be performed by a dealer service center authorized by WACKER NEUSON. The use of service parts that are not equivalent in performance and durability by authorized parts may impair the effectiveness of the emission control system and may have a bearing on the outcome of a warranty.

5.2 Periodic Maintenance Schedule

Engine Maintenance

The chart below lists basic engine maintenance. Refer to the engine manufacturer’s Operation manual additional information.

Daily before starting

After first 20 hr or 1mo.

Every 50 hr or 3 mo.

Every 100 hr or 6 mo.

Every 300 hr or 1 yr.

Check the fuel level.

Check the engine oil level.

Inspect the fuel lines

Inspect the air filter. Replace as needed

Clean the air cleaner element

Change the engine oil

Clean the engine cooling fins

Clean the sediment cup or fuel filter.

Check and clean the spark plug.

Check and adjust the valve clearance.

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Machine Maintenance The chart below lists basic machine maintenance.

Maintenance

Check the external hardware
Check and adjust the drive belts
Inspect the shockmounts for damage
Replace the shockmounts as needed

Daily before starting

After first 20 hr or 1mo.

Every 50 hr or 3 mo.

Every 100 hr or 6 mo.

Every 300 hr or 1 yr.

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Maintenance

5.3 Servicing the Spark Plug

Clean or replace the spark plug as needed to ensure proper operation. Refer to your engine operator’s manual.

WARNING The muffler becomes very hot during operation and remains hot for a while after stopping the engine. Do not touch the muffler while it is hot.

Procedure

NOTICE: Refer to section “Technical Data” for the recommended spark plug type and the electrode gap.
Perform the procedure below to service the spark plug. 1. Remove the spark plug and inspect it. 2. Replace the spark plug if the insulator is cracked or chipped. 3. Clean the spark plug electrodes with a wire brush. 4. Set the electrode gap (a). 5. Tighten the spark plug securely. NOTICE: A loose spark plug can become very hot and may cause engine damage.

Result

wc_gr000028 The spark plug has now been cleaned and checked.

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Maintenance

5.4 Servicing the Air Cleaner

Background

A dirty air filter element can restrict air flowing into the carburetor. To keep the carburetor in good working conditions, service the air filter element periodically. If operating the engine in extremely dusty area, the job should be done more often.

WARNING Explosion hazard and fire hazard. f Do not clean the air filter element with gasoline or low-flash point detergents.

Procedure

NOTICE: Do not run the engine without an air filter element; doing so will damage the engine.
Perform the procedure below to service the air filter element. 1. Remove air cleaner cover (a). Remove both elements and inspect them for
holes or tears. Replace damaged elements
2. Wash foam element (b) in solution of mild detergent and warm water. Rinse thoroughly in clean water. Allow element to dry thoroughly. Soak element in clean engine oil and squeeze out excess oil.
3. Tap paper element (c) lightly to remove excess dirt. Replace paper element if it appears heavily soiled.

a

c b

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Maintenance

5.5 Changing the Engine Oil

Procedure

Perform th procedure below to change the engine oil.
1. Drain the oil while the engine is still warm.
2. Remove the oil filter plug (a) and the drain plug (b) to drain the oil. Note: In the interest of environmental protection, place a plastic sheet and a container under the machine to collect any liquid that drains off. Dispose of this liquid in accordance with environmental protection legislation.
3. Install the drain plug.
4. Fill the engine crankcase with the recommended oil up to the level of the lug opening (c). See chapter Technical Data for oil quantity and type.
5. Install the oil filler plug.
a

a b
wc_gr000087

5.6 Cleaning the Sediment Cup

Procedure

Perform the procedure below in cleaning the sediment cup. 1. Turn the fuel valve off. 2. Remove the sediment cup (a) and the O-ring (b). 3. Wash both thoroughly in a non-flammable solvent. Dry and re-install them. 4. Turn the fuel valve on and check or leaks.

b
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a
wc_gr000029
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Maintenance

5.7 Adjusting the Carburetor

Procedure

Perform the procedure below to adjust the carburetor.
1. Start the engine and allow it to warm up to operating temperature.
2. Set the pilot screw (a) two turns out. See Note.
3. With the engine idling, turn the pilot screw (a) in or out to the setting that produces the highest rpm.
4. After the pilot screw is adjusted, turn the throttle stop screw (b) to obtain the standard idle speed. See Technical Data.
Note: On some engines the pilot screw is fitted with a limiter cap (c) to prevent excessive enrichment of the air-fuel mixture in order to comply with emission regulations. The mixture is set at the factory and no adjustment should be necessary. Do not attempt to remove the limiter cap. The limiter cap cannot be removed without breaking the pilot screw.

b c

a
wc_gr000032 wc_gr000032

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Maintenance

5.8 Servicing the Drive Belt

Check

On new machines or after installing a new belt, check the belt tension after first 20 hours of operation. Check and adjust the belt every 50 hours thereafter.

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5.9 Cleaning the Plate
Clean the plate after use to remove dirt, stones, and mud caught under the engine console. If the plate is being used in a dusty area, check the engine cylinder cooling fins for heavy dirt accumulation. Keep the engine cylinder fins clean to prevent it from overheating.

5.10 Storage

Procedure

If the plate is being stored for more than 30 days: 1. Remove loose stones and dirt from the plate. 2. Clean the engine cylinder cooling fins. 3. Clean or replace the air filter. 4. Change the exciter oil. 5. Change the engine oil and follow the procedures described in engine manual for
engine storage. 6. Cover the plate and engine and store in a clean, dry area.

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6 Troubleshooting

Troubleshooting

Problem Plate does not develop full speed. Poor compaction.
Engine running, no vibration.
Plate jumps or compacts unevenly.

Cause
· Engine throttle control not completely open.
· Throttle control not adjusted correctly.
· Ground too wet, plate sticking. · Drive belt loose or worn, slip-
ping on pulleys. · Exciter bearings binding. · Air filter clogged with dust,
reducing engine performance. · Engine speed is too low.
· Engine throttle not open. · Drive belt loose or broken. · Clutch damaged. · Engine speed is too low.
· Ground surface too hard. · Shockmounts loose or
damaged

Remedy
· Allow soil to dry before compacting.
· Adjust or replace belt. · Check that engine mounting
bolts are tight. · Check engine speed with
tachometer. · Adjust or repair engine to run
correctly speed. Refer to engine manual.
· Adjust or replace the drive belt. · Inspect and replace the clutch. · Check engine speed.
· Inspect and replace the shockmounts.

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Technical Data

7 Technical Data

7.1 Engine Data

Engine Power Rating
Net power rating per SAE J1349. Actual power output may vary due to conditions of specific use.

Engine make Engine model Maximum rated power at rated speed Spark plug Electrode gap Operating speed Air cleaner Engine lubrication Engine oil capacity Fuel Fuel tank capacity Valve clearance (cold) Inlet: Outlet:

Engine kW (hp)

VPH70
Honda GX160 3.6 (4.8) @ 3600 rpm

mm (in.) rpm type
oil grade ml (oz.) type L (gal)
mm. (in.)

NGK BPR 6ES 0.7­0.8 (0.028­0.031)
3600 Dual element SAE 10W30 SG or SF
600 (20) Regular unleaded gasoline
3.6 (0.95)
0.15 (0.006) 0.20 (0.008)

wpm_td000681gb.fm

30

VPH70
7.2 Machine Data
Dry Weight Exciter speed Exciter lubrication

Technical Data

kg (lbs.) rpm

Plate

VPH70
77 (169.4) 7000
Grease NLGI 2

wpm_td000681gb.fm

31

VPH70
8 Dimensions

Dimensions

1120 (44)

460 (18)

610 (24) wpm_gr008416

wpm_td000681gb.fm

32

References

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