Multiquip MVC77 User Manual
OPERATION AND PARTS MANUAL
SERIES
MODEL MVC77
ONE-WAY PLATE COMPACTOR
(HONDA GX160K1QX2 GASOLINE ENGINE)
Revision #4 (01/14/11)
To find the latest revision of this
publication, visit our website at:
www.multiquip.com
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
PROPOSITION 65 WARNING
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PAGE 2 — MVC77 PLATE COMPACTOR — OPERATION AND PARTS MANUAL — REV. #4 (1/14/11)
NOTES
MVC77 PLATE COMPACTOR — OPERATION AND PARTS MANUAL — REV. #4 (1/14/11) — PAGE 3
TABLE OF CONTENTS
MVC77 Plate Compactor
Proposition 65 Warning ............................................. 2
Table Of Contents ..................................................... 4
Parts Ordering Procedures ....................................... 5
Safety Information ................................................ 6-10
Specifications .......................................................... 11
General Information ................................................ 12
Components............................................................ 13
Basic Engine ........................................................... 14
Inspection ........................................................... 15-16
Startup ............................................................... 17-18
Operation ................................................................ 19
Maintenance ...................................................... 20-21
Preparation For Long Term Storage ....................... 22
Troubleshooting ................................................. 23-25
Explanation Of Codes In Remarks Column ............ 26
Suggested Spare Parts ........................................... 27
Component Drawings
Name Plate and Decals ..................................... 28-29
Main Body Assembly .......................................... 30-31
Engine Pulley/Clutch Assembly.......................... 32-33
Vibrator/Plate Mounting Assembly ..................... 34-35
Vibrator Assembly .............................................. 36-37
Water Tank ......................................................... 38-39
Honda GX160K1QX2 Engine
Cylinder Head Assembly .................................... 40-41
Cylinder Barrel (Recoil) Assembly ..................... 42-43
Crankcase Cover Assembly ...............................44-45
Crankshaft Assembly .........................................46-47
Piston/Rings Assembly.......................................48-49
Camshaft Assembly ........................................... 50-51
Recoil Starter .....................................................52-53
Fan Cover Assembly .......................................... 54-55
Carburetor Assembly ......................................... 56-57
Air Cleaner Assembly.........................................58-59
Muffler Assembly ............................................... 60-61
Fuel Tank Assembly ........................................... 62-63
Cooling Fan & Flywheel Assembly ..................... 64-65
Ignition Coil Assembly ........................................ 66-67
Control Assembly ...............................................68-69
Terms and Conditions Of Sale — Parts .................. 70
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NOTICE
Specification and part number are subject to
change without notice.
PAGE 4 — MVC77 PLATE COMPACTOR — OPERATION AND PARTS MANUAL — REV. #4 (1/14/11)
PARTS ORDERING PROCEDURES
r
Ordering parts has never been easier!
Choose from three easy options:
January 1
Effective:
st
, 2006
Best Deal!
Order via Internet (Dealers Only):
Order parts on-line using Multiquip’s SmartEquip website!
■ View Parts Diagrams
■ Order Parts
■ Print Specification Information
Goto www.multiquip.com and click on
Order Par ts
Order via Fax (Dealers Only):
All customers are welcome to order parts via Fax.
Domestic (US) Customers dial:
1-800-6-PARTS-7 (800-672-7877)
Non-Dealer Customers:
Contact your local Multiquip Dealer for
parts or call 800-427-1244 for help in
locating a dealer near you.
to log in and save!
Order via Phone:
If you have an MQ Account, to obtain a Username
and Password, E-mail us at: parts@multiquip.
com.
To obtain an MQ Account, contact you
District Sales Manager for more information.
Use the internet and qualify for a 5% Discount
on Standard orders for all orders which include
complete part numbers.*
Fax your order in and qualify for a 2% Discount
on Standard orders for all orders which include
complete part numbers.*
Domestic (US) Dealers Call:
1-800-427-1244
International Customers should contact
their local Multiquip Representatives for
Parts Ordering information.
Note: Discounts Are Subject To Change
Note: Discounts Are Subject To Change
When ordering parts, please supply:
❒ Dealer Account Number
❒ Dealer Name and Address
❒ Shipping Address (if different than billing address)
❒ Return Fax Number
❒ Applicable Model Number
❒ Quantity, Part Number and Description of Each Part
NOTICE
All orders are treated as Standard Orders and will
ship the same day if received prior to 3PM PST.
❒ Specify Preferred Method of Shipment:
✓ UPS/Fed Ex ✓ DHL
■ Priority One ✓ Tr uck
■ Ground
■ Next Day
■ Second/Third Day
www.multiquip.com
WE ACCEPT ALL MAJOR CREDIT CARDS!
MVC77 PLATE COMPACTOR — OPERATION AND PARTS MANUAL — REV. #4 (1/14/11) — PAGE 5
SAFETY INFORMATION
Do not operate or service the equipment before reading
the entire manual. Safety precautions should be followed
at all times when operating this equipment.
Failure to read and understand the safety
messages and operating instructions could
result in injury to yourself and others.
SAFETY MESSAGES
The four safety messages shown below will inform you
about potential hazards that could injure you or others. The
safety messages specifically address the level of exposure
to the operator and are preceded by one of four words:
DANGER, WARNING, CAUTION or NOTICE.
SAFETY SYMBOLS
DANGER
Indicates a hazardous situation which, if not avoided,
WILL result in DEATH or SERIOUS INJURY.
WARNING
Potential hazards associated with the operation of this
equipment will be referenced with hazard symbols which
may appear throughout this manual in conjunction with
safety messages.
Indicates a hazardous situation which, if not avoided,
COULD result in DEATH or SERIOUS INJURY.
CAUTION
Indicates a hazardous situation which, if not avoided,
COULD result in MINOR or MODERATE INJURY.
NOTICE
Addresses practices not related to personal injury.
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PAGE 6 — MVC77 PLATE COMPACTOR — OPERATION AND PARTS MANUAL — REV. #4 (1/14/11)
SAFETY INFORMATION
GENERAL SAFETY
CAUTION
NEVER operate this equipment without proper protective
clothing, shatterproof glasses, respiratory protection,
hearing protection, steel-toed boots and other protective
devices required by the job or city and state regulations.
NEVER operate this equipment when not
feeling well due to fatigue, illness or when
under medication.
NEVER operate this equipment under the influence of
drugs or alcohol.
ALWAYS check the equipment for loosened threads or
bolts before starting.
DO NOT use the equipment for any purpose other than
its intended purposes or applications.
NOTICE
This equipment should only be operated by trained and
qualified personnel 18 years of age and older.
Whenever necessary, replace nameplate, operation and
safety decals when they become difficult read.
Manufacturer does not assume responsibility for any
accident due to equipment modifications. Unauthorized
equipment modification will void all warranties.
NEVER use accessories or attachments that are not
recommended by Multiquip for this equipment. Damage
to the equipment and/or injury to user may result.
ALWAYS know the location of the nearest
fire extinguisher.
ALWAYS know the location of the nearest
first aid kit.
ALWAYS know the location of the nearest phone or keep
a phone on the job site. Also, know the phone numbers
of the nearest ambulance, doctor and fire department.
This information will be invaluable in the case of an
emergency.
ALWAYS clear the work area of any debris, tools, etc.
that would constitute a hazard while the equipment is
in operation.
MVC77 PLATE COMPACTOR — OPERATION AND PARTS MANUAL — REV. #4 (1/14/11) — PAGE 7
SAFETY INFORMATION
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COMPACTOR SAFETY
DANGER
NEVER operate the equipment in an explosive
atmosphere or near combustible materials. An
explosion or fire could result causing severe
bodily harm or even death.
WARNING
NEVER disconnect any emergency or safety devices.
These devices are intended for operator safety.
Disconnection of these devices can cause severe injury,
bodily harm or even death. Disconnection of any of these
devices will void all warranties.
CAUTION
NEVER lubricate components or attempt service on a
running machine.
NOTICE
ALWAYS keep the machine in proper running condition.
Fix damage to machine and replace any broken parts
immediately.
ALWAYS store equipment properly when it is not being
used. Equipment should be stored in a clean, dry location
out of the reach of children and unauthorized personnel.
ENGINE SAFETY
DANGER
The engine fuel exhaust gases contain poisonous carbon
monoxide. This gas is colorless and odorless, and can
cause death if inhaled.
The engine of this equipment requires an adequate
free flow of cooling air. NEVER operate this equipment
in any enclosed or narrow
area where free flow of the
air is restricted. If the air
flow is restricted it will cause
injury to people and property
and serious damage to the
equipment or engine.
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WARNING
DO NOT place hands or fingers inside engine
compartment when engine is running.
NEVER operate the engine with heat shields or
guards removed.
Keep fingers, hands hair and clothing away
from all moving parts to prevent injury.
DO NOT remove the radiator cap while the
engine is hot. High pressure boiling water will gush out
of the radiator and severely scald any persons in the
general area of the compactor.
DO NOT remove the coolant drain plug
while the engine is hot. Hot coolant will
gush out of the coolant tank and severely
scald any persons in the general area of
the compactor.
DO NOT remove the engine oil drain plug while the
engine is hot. Hot oil will gush out of the oil tank and
severely scald any persons in the general area of the
compactor.
CAUTION
NEVER touch the hot exhaust manifold,
muffler or cylinder. Allow these parts to cool
before servicing equipment.
NOTICE
NEVER run engine without an air filter or with a dirty air
filter. Severe engine damage may occur. Service air filte
frequently to prevent engine malfunction.
NEVER tamper with the factory settings
of the engine or engine governor. Damage
to the engine or equipment can result
if operating in speed ranges above the
maximum allowable.
NEVER tip the engine to extreme angles during lifting as
it may cause oil to gravitate into the cylinder head, making
the engine start difficult.
PAGE 8 — MVC77 PLATE COMPACTOR — OPERATION AND PARTS MANUAL — REV. #4 (1/14/11)
SAFETY INFORMATION
FUEL SAFETY
DANGER
DO NOT add fuel to equipment if it is placed inside truck
bed with plastic liner. Possibility exists of explosion or
fire due to static electricity.
FUEL
FUEL
DO NOT start the engine near spilled fuel or combustible
fluids. Diesel fuel is extremely flammable and its vapors
can cause an explosion if ignited.
ALWAYS refuel in a well-ventilated area, away from
sparks and open flames.
ALWAYS use extreme caution when working with
flammable liquids.
DO NOT fill the fuel tank while the engine is running
or hot.
DO NOT overfill tank, since spilled fuel could ignite if it
comes into contact with hot engine parts or sparks from
the ignition system.
Store fuel in appropriate containers, in well-ventilated
areas and away from sparks and flames.
BATTERY SAFETY (ELECTRIC START ONLY)
DANGER
DO NOT drop the battery. There is a possibility that the
battery will explode.
DO NOT expose the battery to open flames,
sparks, cigarettes, etc. The battery contains
combustible gases and liquids. If these
gases and liquids come into contact with a
flame or spark, an explosion could occur.
WARNING
ALWAYS wear safety glasses when
handling the battery to avoid eye irritation.
The battery contains acids that can cause
injury to the eyes and skin.
Use well-insulated gloves when picking up
the battery.
ALWAYS keep the battery charged. If the battery is not
charged, combustible gas will build up.
DO NOT charge battery if frozen. Battery can explode.
When frozen, warm the battery to at least 61°F (16°C).
ALWAYS recharge the battery in a well-ventilated
environment to avoid the risk of a dangerous concentration
of combustible gases.
If the battery liquid (dilute sulfuric acid)
comes into contact with clothing or skin,
rinse skin or clothing immediately with
plenty of water.
If the battery liquid (dilute sulfuric acid) comes into
contact with eyes, rinse eyes immediately with plenty
of water and contact the nearest doctor or hospital to
seek medical attention.
NEVER use fuel as a cleaning agent.
DO NOT smoke around or near the
equipment. Fire or explosion could result
from fuel vapors or if fuel is spilled on a
hot engine.
CAUTION
ALWAYS disconnect the NEGATIVE battery terminal
before performing service on the equipment.
ALWAYS keep battery cables in good working condition.
Repair or replace all worn cables.
MVC77 PLATE COMPACTOR — OPERATION AND PARTS MANUAL — REV. #4 (1/14/11) — PAGE 9
TRANSPORTING SAFETY
CAUTION
NEVER allow any person or animal to stand underneath
the equipment while lifting.
NOTICE
Before lifting, make sure that the equipment parts (hook
and vibration insulator) are not damaged and screws are
not loose or missing.
Always make sure crane or lifitng device has been
properly secured to the lifting bail (hook) of the
equipment.
ALWAYS shutdown engine before transporting.
NEVER lift the equipment while the engine is running.
Tighten fuel tank cap securely and close fuel cock to
prevent fuel from spilling.
SAFETY INFORMATION
Use adequate lifting cable (wire or rope) of sufficient
strength.
Use one point suspension hook and lift straight
upwards.
DO NOT lift machine to unnecessary heights.
ALWAYS tie down equipment during transport by
securing the equipment with rope.
ENVIRONMENTAL SAFETY
NOTICE
Dispose of hazardous waste properly.
Examples of potentially hazardous waste
are used motor oil, fuel and fuel filters.
DO NOT use food or plastic containers to dispose of
hazardous waste.
DO NOT pour waste, oil or fuel directly onto the ground,
down a drain or into any water source.
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PAGE 10 — MVC77 PLATE COMPACTOR — OPERATION AND PARTS MANUAL — REV. #4 (1/14/11)
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GENERAL INFORMATION
Definition of Plate Compactor
The Mikasa MVC77 Series is a walk behind, plate compactor
designed for the compaction of sand, mixed soils and asphalt.
This plate compactor is a powerful compacting tool capable of
applying a tremendous force in consecutive high frequency
vibrations to a soil surface. Its applications include compacting
for road, embankments and reservoirs as well as backfilling for
gas pipelines, water pipelines and cable installation work.
Vibratory Plates
The vibratory plates of the compactor produce low amplitude
high frequency vibrations, designed to compact granular soils
and asphalt.
The resulting vibrations cause forward motion. The engine and
handle are vibration isolated from the vibrating plate.
Frequency/Speed
The compactor's vibrating plate has a frequency range between
5,800 vpm (vibrations per minute). The forward and reverse travel
speed of the compactor is approximately 23 meters/minute (75
ft./minute).
Engine
The Mikasa MVC77 Series Plate Compactor is equipped with
either a Honda or Robin air cooled, 4-cycle gasoline engine.
The engine drives an eccentric weight at a high speed to develop
a compaction force.
Controls
Before starting the MVC77 Series Plate Compactor identify and
understand the function of the controls and components as
indicated on page 13 (Figure 1).
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PAGE 12 — MVC77 PLATE COMPACTOR — OPERATION AND PARTS MANUAL — REV. #4 (1/14/11)
11
COMPONENTS
4
3
2
1
5
WATER TANK
6
10
9
Mikasa
Mikasa
8
Figure 1. MVC77 Series Plate Compactor Components
Figures 1 and 2 shows the location of the components and
general maintenance parts. The function of each component is
described below:
1. Water Tank Cap – Remove this cap to add water to the
water tank.
2. Fuel Tank Cap – Remove this cap to add fuel.
3. Lifting Bale – When lifting of the compactor is required
either by forklift, crane etc., tie rope or chain around this
lifting point.
4. Handle Bar – When operating the compactor use this
handle bar to manuever the compactor.
5. Gasoline Engine – This plate compactor uses a HONDA
GX160K1QX2 or ROBIN EH172YD4020 engine. Refer to
the HONDA or ROBIN owners manual for engine
information and related topics.
6. Belt Cover – Remove this cover to gain acess to the Vbelts. NEVER run the compactor without the V-belt cover. If
the V-belt cover is not installed, the possibility exist that
your hand may get caught between the V-belt and clutch,
thus causing serious injury and bodily harm.
7. Vibrating Plate – A flat, open plate made of durable cast
iron construction used in the compacting of soil.
8. Vibration Case – Encloses the eccentric, gears and
counter weights.
9. Water Tube (Sprinkler) – Supplies water to the soil via a
splash plate.
10. Water Shut-Off Valve – Turn this valve downward to let
water flow from the water tank to the water tube.
11. Water Tank – Holds 13.7 quarts of water, removable no
tools required.
7
MVC77 PLATE COMPACTOR — OPERATION AND PARTS MANUAL — REV. #4 (1/14/11) — PAGE 13
Figure 2. Engine Controls & Components
INITIAL SERVICING
The engine (Figure 2) must be checked for proper lubrication and
filled with fuel prior to operation. Refer to the manufacturers Engine
manual for instructions & details of operation and servicing.
1. Fuel Filler Cap – Remove this cap to add unleaded
gasoline to the fuel tank. Make sure cap is tightened
securely. DO NOT over fill.
WARNING
Add fuel to the tank only when the engine is
stopped and has cooled down. In the event
of a fuel spill, DO NOT attempt to start the
engine until the fuel residue has been
completely wiped up and the area
surrounding the engine is dry.
2. Throttle Lever – Used to adjust engine RPM speed (lever
advanced forward
FAST
).
SLOW
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, lever back toward operator
6. Choke Lever – Used in the starting of a cold engine, or in
cold weather conditions. The choke enriches the fuel
mixture.
7. Air Cleaner – Prevents dirt and other debris from entering
the fuel system. Remove wing-nut on top of air filter
cannister to gain access to filter element.
NOTICE
Operating the engine without an air filter, with a damaged air
filter, or a filter in need of replacement will allow dirt to enter
the engine, causing rapid engine wear.
8. Spark Plug – Provides spark to the ignition system. Set
spark plug gap to 0.6 - 0.7 mm (0.028 - 0.031 inch) for
HONDA engine, and 0.5 - 0.6 mm (0.020 - 0.024 inch) for
ROBIN engine. Clean spark plug once a week.
9. Muffler – Used to reduce noise and emissions.
WARNING
BASIC ENGINE
3. Engine ON/OFF Switch – ON position permits engine
starting, OFF position stops engine operations.
4. Recoil Starter (pull rope) – Manual-starting method. Pull
the starter grip until resistance is felt, then pull briskly and
smoothly.
5. Fuel Valve Lever – OPEN to let fuel flow, CLOSE to stop
the flow of fuel.
10. Fuel Tank – Holds unleaded gasoline. For additional
PAGE 14 — MVC77 PLATE COMPACTOR — OPERATION AND PARTS MANUAL — REV. #4 (1/14/11)
Engine components can generate extreme
heat. To prevent burns, DO NOT touch these
areas while the engine is running or
immediately after operating. NEVER operate
the engine with the muffler removed.
information refer to engine owner's manual.
INSPECTION
Before Starting
1. Read safety instructions at the beginning of manual.
2. Clean the compactor, removing dirt and dust. Particularly, the
bottom of the plate, engine cooling air inlet, carburetor and
NOTICE
The Oil Alert system will automatically stop the engine
before the engine falls below safe limits. Always be sure
to check the engine oil level prior to starting the engine.
air cleaner.
3. Check the air filter for dirt and dust. If the air filter is dirty, blow
through the air filter cartridge from the inside, moving a jet of
dry compressed air up and down until all dust is removed.
Otherwise replace air filter with a new one.
4. Check carburetor for external dirt and dust. Clean with dry
compressed air.
5. Check fastening nuts and bolts for tightness. Loosened
screws or bolts due to vibration, could lead to unexpected
accident.
Engine Oil Check
1. To check the engine oil level, place the plate compactor on
secure level ground with the engine stopped.
2. Remove the filler cap/dipstick from the engine oil filler hole
(Figure 3) and wipe it clean.
Gasoline Check
1. Remove the gasoline cap located on top of fuel tank.
2. Visually inspect to see if fuel level is low. If fuel is low, replenish
with unleaded fuel.
3. When refueling, be sure to use a strainer for filtration. DO
NOT top-off fuel. Wipe up any spilled fuel.
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Vibrator Oil Check
1. Place the MVC77 Series plate compactor horizontally on a
flat surface. Make sure the compactor is level when checking
the oil in the vibrator assembly.
2. Check vibrator oil level by removing the plug (vibrator oil gauge)
as shown in Figure 5. The oil level should be up to the oil plug.
The vibrator holds 140 cc (approximately 1 pint). IMPORTANT,
if oil is required, replace using only SAE 10W-30 motor oil.
Figure 3. Engine Oil Dipstick
3. Insert and remove the dipstick without screwing it into the filler
neck. Check the oil level shown on the dipstick.
4. If the oil level is low (Figure 4), fill to the edge of the oil filler
hole with the recommended oil type (Table 3). Maximum oil
capacity is 400 cc.
UPPER LIMIT
Figure 5. Vibrator Oil Plug
LOWER LIMIT
Figure 4. Engine Oil Dipstick
MVC77 PLATE COMPACTOR — OPERATION AND PARTS MANUAL — REV. #4 (1/14/11) — PAGE 15
INSPECTION
V-Belt Check
CAUTION
NEVER attempt to check the V-belt with the engine running.
Severe injury can occur of your hand (Figure 6) gets caught
between the V-belt and the clutch. Always use safety gloves.
CLUTCH
PULLEY
VIBRATOR
PULLEY
Figure 6. V-Belt Hazard
2. The V-belt tension is proper if the V-belt bends 10 to 15 mm
3. A loose V-belt will decrease the power transmission output,
4. If the V-belt becomes worn or loose, replace it by using V-
(Figure 8) when depressed with finger at midway between
the clutch and vibration pulley shafts.
Figure 8. V-Belt Tension
causing reduced compaction and premature wear of the
belt.
belt part number 070503350.
1. To check the V-belt tension, remove the three bolts that
secure the belt cover to the frame as shown in Figure 7.
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Figure 7. V-Belt Cover Removal
PAGE 16 — MVC77 PLATE COMPACTOR — OPERATION AND PARTS MANUAL — REV. #4 (1/14/11)
STARTUP
CAUTION
DO NOT attempt to run the compactor until the Safety
Information and Startup sections have been read.
1. Place the
2. Place the
position.
fuel valve lever
Figure 9. Fuel Valve Lever
Engine ON/OFF switch
(Figure 9) in the "ON" position.
(Figure 10) in the "ON"
D
4. Place the
NOTICE
The CLOSED position of the choke lever enriches the
fuel mixture for starting a COLD engine. The OPEN
position provides the correct fuel mixture for normal
operation after starting, and for restarting a warm engine.
and
throttle lever
slow
.
Figure 12. Throttle Lever
(Figure 12) halfway between
fast
Figure 10. Engine ON/Off Switch
3. Place the
Choke Lever
(Figure 11) in the "OPEN" position.
5. Grasp the starter grip (Figure 13) and slowly pull it out. The
resistance becomes the hardest at a certain position, corresponding the compression point. Rewind the rope a little from
that point and pull out sharply.
CAUTION
DO NOT pull the starter rope all the way to the end.
DO NOT release the starter rope after pulling. Allow it to
rewind as soon as possible.
Nnnn
Figure 11. Choke Lever
MVC77 PLATE COMPACTOR — OPERATION AND PARTS MANUAL — REV. #4 (1/14/11) — PAGE 17
Figure 13. Starter Grip
6. If the engine has started, slowly return the choke lever
(Figure 11) to the
started repeat steps 1 through 5.
7. Before the compactor is put into operation run the engine for
3-5 minutes.
8. Check for abnormal engine noises or fuel leaks.
Stopping the Engine
CLOSED
position. If the engine has not
CAUTION
NEVER stop the engine suddenly while working at high
speeds.
STARTUP
1. Place the
listen for the engine speed to decrease.
2. Place the
" position.
3. Place the
throttle lever
Engine ON/OFF switch
fuel valve lever
(Figure 12) in
(Figure 11) in the "
(Figure 9) in the "OFF" position.
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slow
position, and
OFF
PAGE 18 — MVC77 PLATE COMPACTOR — OPERATION AND PARTS MANUAL — REV. #4 (1/14/11)
OPERATION
Operation
CAUTION
Make sure to follow all safety rules referenced in the safety
section of this manual before operating compactor. Keep work
area clear of debris and other objects that could cause
damage to the compactor or bodily injury.
1. Once the engine has started, move the engine throttle lever
fast
quickly to the
2. With the throttle lever in the fast position, the engine speed
should be around 2,300 RPM, therefore engaging the centrifugal clutch.
position.
7. Compactor traveling speed may drop on soils which contain
clay, however there may be cases where traveling speed
drops because the compaction plate does not leave the
ground surface easily due to the composition of the soil. To
rectify this problem do the following:
NOTICE
Always move the throttle lever quickly without hesitation,
because increasing the engine speed slowly causes the
clutch to slip.
5. Firmly gasp the compactor's handle bar with both hands , the
compactor will begin moving forward.
Check the bottom plate to see if clay or
equivalent material has been lodge in the
plate mechanism. If so, wash with water and
remove.
Remember the compactor does not work as
efficiently on clay or soils that have a high
moisture content level.
If the soil has a high moisture level, dry soil
to appropriate moisture content level or carry
out compaction twice.
6. Slowly walk behind the compactor and be on the lookout for
any large objects or foreign matter that might cause damage
to the compactor or bodily injury.
MVC77 PLATE COMPACTOR — OPERATION AND PARTS MANUAL — REV. #4 (1/14/11) — PAGE 19
MAINTENANCE
CAUTION
Inspection and other services should
always
be carried out
on hard and level ground with the engine shutdown.
Inspection and Maintenance Service Tables.
1. To make sure your plate compactor is always in good
working condition before using, carry out the maintenance
inspection in accordance with Tables 4 through 6.
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CAUTION
These inspection intervals are for operation under normal
conditions. Adjust your inspection intervals based on the
number hours plate compactor is in use, and particular
working conditions.
CAUTION
Fuel piping and connections should be replaced every 2
years.
Daily Service
Check for leakage of fuel or oil.
Remove soil and clean the bottom of compaction plate.
Check engine oil, see page 13.
Check for loose screws including tightness. See Table 6
below (tightening torque ), for retightening:
.6ELBAT
retemaiD)mc/gk.ni(EUQROTGNINETHGIT
mm6 mm8 mm01 mm21 mm41 mm61 mm81 mm02
lairetaM
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metI noitarepOfosruoH
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dnakcehclioenignE
tnemhsinelper
tnemhsinelperlioenignE
gninaelcrenaelcriA sruoh05yrevE
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T4 07 051 003 005 057 001,1 004,1 000,2
T8-6 001 052 005 008 003,1 000,2 007,2 008,3
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Engine Oil Replacement:
1. Replace engine oil, in first 20 hours of operation and every
100 hours afterwards.
2. Oil may be drained more easily when it is warm after
operation (For more details, see separate HONDA or ROBIN
Owner's Manual).
3. When changing the engine oil, thenold oil can be drained
by removing the oil filler cap, and un-screwing the engine
oil drain plug located at the base of the engine.
4. Remember to refill engine crankcase with the recommended
type of oil as listed in Table 3.
PAGE 20 — MVC77 PLATE COMPACTOR — OPERATION AND PARTS MANUAL — REV. #4 (1/14/11)
MAINTENANCE
CAUTION
NEVER attempt to check the V-belt with the engine running.
Severe injury can occur if your hand (Figure 6) gets caught
between the V-belt and the clutch. Always use safety gloves.
Checking and Replacing the V-Belt and Clutch
1. After 200 hours of operation, remove the upper belt cover to
check the V-belt tension. Tension is proper if the belt bends
about 10 mm when depressed strongly with finger between
shafts. Loose or worn V-belts reduces power transmission
efficiency, causing weak compaction and reduces the life of
the belt itself.
Figure 14. Engine Oil Plug
Changing Vibrator Oil
1. When changing the vibrator oil, remove the drain plug
located at the bottom- right of the vibrator (Figure 5), and
simply tip the compactor to drain the oil. Note that the oil will
drain more easily while it is hot. Remember to use only
10W-30 motor oil when replaceing vibrator oil.
Air Filter
1. The air filter element should be cleaned because a clogged
air cleaner can cause poor engine starting, lack of power
and shorten engine life substantially.
2. To clean or replace air filter loosen the wing nut on the air
filter housing (Figure 15), remove the cover and take out air
filter cartridge. If only cleaning of the air filter is desired blow
through the air filter cartridge from the inside, moving a jet of
dry compressed air up and down until all dust is removed.
CAUTION
Whenever the compactor's vibration becomes weak or lost
during normal operation regardless of operation hours, check
the V-belt and clutch immediately.
Replacing the V-belt
Remove the upper and lower belt covers. Engage an offset
wrench (13 mm) or the like to vibrator pulley (lower) fastening
bolt. Engage waste cloth or the like at midway of V-belt on the left
side and while pulling it back strongly, rotate the offset wrench
clockwise so that the V-belt will come off.
Reinstalling the V-belt
Engage V-belt to lower vibrator pulley and push the V-belt to left
side of upper clutch and, in the same manner as in removal,
rotate offset wrench clockwise so that the V-belt goes back on.
Checking Clutch
Check the clutch simultaneously with V-belt checking. With belt
removed, check outer drum of the clutch for seizure and "V"
groove for wear or damage with your eyes. Clean the "V" groove
as necessary. Wear of lining or shoe should be checked with
running check. If the shoe is worn, power transmission becomes
deficient and slipping will result.
Figure 15. Air Filter
MVC77 PLATE COMPACTOR — OPERATION AND PARTS MANUAL — REV. #4 (1/14/11) — PAGE 21
PREPARATION FOR LONG-TERM STORAGE
Pump Storage
For storage of the pump for over 30 days, the following is
required:
Drain the fuel tank completely.
Run the engine until the fuel in the injection system is
completely consumed.
Completely drain the oil from the engine crankcase and
follow procedures described in the
Owner's Manual for engine storage.
Completely drain the compactor's hydraulic oil from the
vibrating case.
Clean entire plate compactor, especially the bottom plate
removing all dirt and foreign matter.
Cover plate compactor and engine with plastic covering
or equivalent and store in a clean, dry place.
HONDA
engine
l
PAGE 22 — MVC77 PLATE COMPACTOR — OPERATION AND PARTS MANUAL — REV. #4 (1/14/11)
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