MULTIQUIP Mikasa MVH406DSZ Guide

OPERATION AND PARTS MANUAL
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
To find the latest revision of this
publication, visit our website at:
www.multiquip.com
SERIES
MODEL MVH-406DSZ
REVERSIBLE PLATE COMPACTOR
(ROBIN D1B40T92040D1B40T92040
D1B40T92040D1B40T92040
D1B40T92040 DIESEL ENGINE)
Revision #2 (08/13/07)

PAGE 2 — MVH-406DSZ PLATE COMPACTOR — OPERATION & PARTS MANUAL — REV. #2 (08/13/07)
MVH-406DSZ — PROPOSITION 65 WARNING

MVH-406DSZ PLATE COMPACTOR — OPERATION & PARTS MANUAL — REV. #2 (08/13/07) — PAGE 3
NOTES

PAGE 4 — MVH-406DSZ PLATE COMPACTOR — OPERATION & PARTS MANUAL — REV. #2 (08/13/07)
TABLE OF CONTENTS
Robin D1B40T92040 Diesel Engine
Spare Parts Kits Assembly ................................. 46-47
Accessories Assembly ....................................... 48-49
Crankcase Assembly ......................................... 50-51
Crankshaft Assembly ......................................... 52-53
Camshaft Assembly ........................................... 54-55
Piston, Conrod, and Cylinder Assembly ........... 56-57
Cylinder Head Assembly .................................... 58-59
Oil Pump and Governor Assembly .................... 60-61
Timing Cover Assembly ..................................... 62-65
Blower and Flywheel Assembly ......................... 66-67
Injection Equipment Assembly ........................... 68-71
Recoil Starter Assembly..................................... 72-73
Air Ducting Assembly (A) ................................... 74-75
Air Ducting Assembly (B) ................................... 76-77
Crankcase Breathing Assembly ......................... 78-79
Fuel Tank Assembly ........................................... 80-83
Air Filter Assembly ............................................. 84-85
Exhaust Silencer Assembly ................................ 86-87
Starter, Alternator Assembly .............................. 88-89
Electric Equipment, Wiring Assembly ................. 90-91
Speed Control Assembly ................................... 92-93
Terms and Conditions Of Sale — Parts .................. 94
Specifications and part numbers are
subject to change without notice.
MIKASA MVH-406DSZ
REVERSIBLE PLATE
COMPACTOR
Proposition 65 Warning .............................................. 2
Table Of Contents ......................................................4
Parts Ordering Procedures ........................................5
Safety Message Alert Symbols .............................. 6-7
Rules for Safe Operation ....................................... 8-9
Operation and Safety Decals ...................................10
Specifications ...........................................................11
Dimensions ..............................................................12
Features ...................................................................13
Plate Compactor Components .................................14
Engine Components ................................................15
Pre-Inspection .................................................... 16-17
Operation ........................................................... 18-20
Maintenance ...................................................... 21-25
Troubleshooting (Engine) .........................................26
Troubleshooting (Compactor) ..................................27
PARTS ILLUSTRATIONS
Explanation Of Code In Remarks Column ...............28
Suggested Spare Parts ............................................29
Nameplate and Decals....................................... 30-31
Vibrating Plate Assembly ................................... 32-33
Base and Engine Assembly ............................... 34-35
Vibrator Assembly .............................................. 36-37
Control Handle Assembly .................................. 38-41
Hand Pump Assembly........................................ 42-43
Electric Device Assembly ................................... 44-45

PAGE 6 — MVH-406DSZ PLATE COMPACTOR — OPERATION & PARTS MANUAL — REV. #2 (08/13/07)
MVH-406DSZ — SAFETY MESSAGE ALERT SYMBOLS
This Owner's Manual has been developed
to provide complete instructions for the safe
and efficient operation of the Multiquip MVH-
406DSZ Plate Compactor . Refer to the
engine manufacturer's instructions for data
relative to its safe operation.
Before using this plate compactor,ensure that the
operating individual has read and understands all
instructions in this manual.
HAZARD SYMBOLS
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.
FOR YOUR SAFETY AND THE SAFETY OF OTHERS!
SAFETY MESSAGE ALERT SYMBOLS
The three (3) 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 three words:
DANGER, WARNING, or CAUTION.
You WILL be KILLED or SERIOUSLY injured if you DO
NOT follow directions.
You CAN be KILLED or SERIOUSLY injured if you DO
NOT follow directions.
You CAN be INJURED if you DO NOT follow directions.
DANGER
WARNING
CAUTION
Potential hazards associated with the operation of this
equipment will be referenced with Hazard Symbols which
appear throughout this manual, and will be referenced in
conjunction with Safety Message Alert Symbols.
Engine exhaust gases contain
poisonous carbon monoxide. This gas
is colorless and odorless, and can
cause death if inhaled. NEVER operate
this equipment in a confined area or
enclosed structure that does not provide
ample free flow air.
WARNING - Lethal Exhaust Gasses
Diesel Fuel is extremely flammable, and
its vapors can cause an explosion if ignited.
DO NOT start the engine near spilled fuel
or combustible fluids.
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 approved containers, in
well-ventilated areas and away from sparks and flames.
WARNING - Explosive Fuel
Engine components can generate extreme
heat. To prevent burns, DO NOT touch
these areas while the engine is running or
immediately after operations. Never
operate the engine with heat shields or heat
guards removed.
WARNING - Burn Hazards
ALWAYS wear approved respiratory
protection when required.
CAUTION - Respiratory Hazard

MVH-406DSZ PLATE COMPACTOR — OPERATION & PARTS MANUAL — REV. #2 (08/13/07) — PAGE 7
This equipment, other property, or the
surrounding environment could be damaged
if you do not follow instructions.
Other important messages are provided throughout this
manual to help prevent damage to your light tower, other
property, or the surrounding environment.
CAUTION - Equipment Damage Messages
MVH-406DSZ — SAFETY MESSAGE ALERT SYMBOLS
MVH-406
DIESEL
PLASTIC
TRUCK-BED
LINER
DO NOT ADD FUEL
TO COMPACTOR IF
COMPACTOR IS PLACED
INSIDE TRUCK-BED WITH
PLASTIC LINER. POSSIBILITY EXISTS
OF EXPLOSION OR FIRE DUE TO
.STATIC ELECTRICITY
DANGER
DIESEL
MVH-406
MVH-406
ALWAYS wear approved eye and
hearing protection.
CAUTION - Sight and Hearing Hazards
ALWAYS place the engine ON/OFF
switch in the OFF position, when
equipment is not in use.
CAUTION - Accidental Starting
NEVER operate equipment with covers,
or guards removed. Keep fingers, hands,
hair and clothing away from all moving
parts to prevent injury.
CAUTION - Rotating Parts

PAGE 8 — MVH-406DSZ PLATE COMPACTOR — OPERATION & PARTS MANUAL — REV. #2 (08/13/07)
MVH-406DSZ — RULES FOR SAFE OPERATION
WARNING - Read This Manual
Failure to follow instructions in this manual may lead to
Serious Injury or even Death . This equipment is to be
operated by trained and qualified personnel only! This
equipment is for industrial use only.
The following safety guidelines should always be used
when operating this equipment.
Safety:
■ DO NOT operate or service this equipment
before reading this entire manual.
■ This equipment should not be operated
by persons under 18 years of age.
■ NEVER operate this equipment without
proper protective clothing, shatterproof glasses, steel-toed
boots and other protective devices required by the job.
■ NEVER operate this equipment when not
feeling well due to fatigue, illness or taking
medicine.
■ NEVER operate the saw under the influence or drugs or
alcohol.
■ NEVER use accessories or attachments, which are not
recommended by Multiquip for this equipment. Damage to
the equipment and/or injury to user may result.
■ Manufacturer does not assume responsibility for any accident
due to equipment modifications. Unauthorized equipment
modification will void all warranties.
■ Whenever necessary, replace nameplate, operation and
safety decals when they become difficult read.
■ ALWAYS check all the bolts on the light tower for tightness.
■ 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.
■ NEVER touch the hot exhaust manifold,
muffler or cylinder. Allow these parts to
cool before servicing engine or generator.
■ High Temperatures – Allow the engine
to cool before adding fuel or performing
service and maintenance functions.
Contact with
hot components can cause
serious burns.
■ The engine of this reversible plate compactor requires an
adequate free flow of cooling air. NEVER operate the
reversible plate compactor in any enclosed or narrow area
where free flow of the air is
restricted. If the air flow is restricted
it will cause serious damage to
the reversible plate compactor or
engine and may cause injury to
people and property. Remember
the vibration roller's engine gives
off DEADLY gases.
■ ALWAYS refuel in a well-ventilated area, away from sparks
and open flames.
■ ALWAYS use extreme caution when working with flammable
liquids. When refueling, stop the engine
and allow it to cool. DO NOT
smoke around
or near the machine. Fire or explosion could
result from fuel vapors, or if fuel is spilled on
a hot engine.
■ NEVER operate the reversible plate compactor in an
explosive atmosphere or near combustible materials. An
explosion or fire could result causing severe
bodily harm or
even death.
■ Topping-off to filler port is dangerous, as it tends to spill fuel.
■ ALWAYS store the reversible plate compactor in a clean, dry
location out of the reach of children.
■ NEVER run engine without air cleaner. Severe engine
damage may occur.
■ NEVER leave the reversible plate compactor unattended,
turn off engine.
■ CAUTION must always be observed while servicing this
reversible plate compactor. Rotating parts can cause injury if
contacted.
■ DO NOT leave reversible plate compactor with engine
running.

MVH-406DSZ PLATE COMPACTOR — OPERATION & PARTS MANUAL — REV. #2 (08/13/07) — PAGE 9
MVH-406DSZ — RULES FOR SAFE OPERATION
Maintenance Safety
■ NEVER lubricate components or attempt service on a
running machine.
■ ALWAYS allow the machine a proper amount of time to
cool before servicing.
■ Keep the machinery in proper running condition.
■ Fix damage to the machine immediately and always replace
broken parts.
■ 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.
■ 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.
Transporting
■ Always shutdown engine before transporting.
■ Tighten fuel tank cap securely and close fuel cock to prevent
fuel from spilling.
■ Drain fuel when transporting compactor over long distances
or bad roads.
■ Always tie-down the compactor during transportation by
securing the compactor's guard frame with an apporiate tie-
down.
Loading and Unloading
■ Before lifting, make sure that machine parts (hook and
vibration insulator) are not damaged and screws are not
loosened or lost.
■ ALWAYS make sure crane or lifting device has been properly
secured to the lifting bale of compactor.
■ NEVER lift the machine while the engine is running.
■ Use a reliable chain, cable or strap of adequate lifting
capacity.
■ NEVER allow any person or animal to stand underneath the
machine while lifting.
■ Use a crane with a one point suspension hook and lift straight
upwards or forklift to load and unload the compactor. A skilled
crane operator is required to perform the job.
■ ALWAYS use the lifting bale (Figure 1) on the machine
when lifting is required. DO NOT use any other part of the
machine for lifting.
■ ALWAYS lift the machine vertically.
■ Try not to lift machine to unnecessary heights.
Emergencies
■ ALWAYS know the location of the
nearest
fire extinguisher .
Figure 18. Lifting the Compactor
■ ALWAYS know the location of the nearest
and
first aid kit .
■ In emergencies 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.

PAGE 10 — MVH-406DSZ PLATE COMPACTOR — OPERATION & PARTS MANUAL — REV. #2 (08/13/07)
MVH-406DSZ — OPERATION AND SAFETY DECALS
Figure 2. Operation and Safety Decals
Figure 2 displays the operation and safety decals as they appear on the reversible plate compactor. Should any of these decals
become damaged or unreadable, contact the Multiquip Parts Department for a replacement set.
P/N 920211640
Shell Tellus Oil
32
Shell Tellus Oil
32
P/N 920211090
P/N 920204580
P/N 920201580
MVH-406
OPERATIONAL CAUTION
Do not move travel lever
if engine stops
NPA-1106
D
C
L333
P/N 920203330
J
P/N 920106760
STOP
RUN
START
V BELT HDPF-5370
P/N 920211010
NPA-537 J
SAE 10W-30
MOTOR OIL
P/N 920201950
NPA-195 J
P/N: 920209620
0PERATIONAL CAUTION
Prior to OPERATION, check the engine oil and fuel levels. If not enough, add to proper levels.
Warm up engine at low speed for 3-5 minutes.
Operate machine at full throttle speed. (incorrect clutch engagement causes clutch to burn.)
Use travel lever for forward & reverse motion. Do not push or pull travel lever strongly.
NPA-962 J
P/N 920105070
Serial No.
Model No.
CONTACT
MQ PARTS DEPT.
P/N 920211060

MVH-406DSZ PLATE COMPACTOR — OPERATION & PARTS MANUAL — REV. #2 (08/13/07) — PAGE 11
MVH-406DSZ —SPECIFICATIONS
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PAGE 12 — MVH-406DSZ PLATE COMPACTOR — OPERATION & PARTS MANUAL — REV. #2 (08/13/07)
MVH-406DSZ — DIMENSIONS
Figure 3. MVH-406DSZ Reversible Plate Compactor Dimensions
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MVH-406DSZ PLATE COMPACTOR — OPERATION & PARTS MANUAL — REV. #2 (08/13/07) — PAGE 13
MVH-406DSZ— FEATURES
Plate Compactor
The Mikasa MVH-406DSZ is a walk behind, reversible plate
compactor designed for the compaction of sand, clay 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
soil 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 MVH-406DSZ produce low amplitude
high frequency vibrations, designed to compact granular soils.
The resulting vibrations cause forward motion.The engine and
handle are vibration isolated from the vibrating plate.The heavier
the plate, the more compaction force it generates.
Reversible Vibratory Plates
Reversible vibratory plates have two eccentric weights that allow
a smooth transition for forward and reverse travel, plus increased
compaction force as the result of dual weights.
Due to their weight and force, reversible plates are ideal for
semi-cohesive soils.
Frequency/Speed
The compactor's vibrating plate maximum frequency is 4600
vpm (vibrations per minute).The forward and reverse travel speed
of the compactor is approximately 76 ft./minute (23 meters/
minute).
Engine
The Mikasa MVH-406DSZ Plate Compactor is equipped with a
ROBIN D1B40T92040 diesel engine.
Controls
Before starting the MVH-406DSZ Plate Compactor, identify and
understand the function of the controls and components as
indicated in Figure 4.

PAGE 14 — MVH-406DSZ PLATE COMPACTOR — OPERATION & PARTS MANUAL — REV. #2 (08/13/07)
MVH-406DSZ— PLATE COMPACTOR COMPONENTS
Figure 4. MVH-406DSZ Reversible Plate
Compactor Components
Figure 4 illustrates the location of the major components for the
MVH-406DSZ Reversible Plate Compactor.The function of each
component is described below:
1. Hand Grip – When operating the compactor use this hand
grip to maneuver the compactor.
2. Forward & Reverse Lever –
Push the lever forward, the
compactor will move in a forward direction,
pull the lever
backwards, the compactor will move in backwards direction.
Placing the lever in the middle (midway) will cause the
compactor not to move (neutral).
3. Handle Bar – When operating the compactor, this handle
is to be in the downward position. When the compactor is
to be
stored , move the handle bar to the upright position.
4. Guard Hook - Used to lift the machine with crane or other
lifting device.
5. Stopper - Locks the handle in place in the upward position
for stowing.
6. Engine – This plate compactor uses a ROBIN
D1B40T92040 diesel engine.Refer to the owner’s manual
for engine information and related topics.
7. Battery (Option) - This unit uses a 12-volt battery. See
maintenance of this manual for proper care of battery.
8. Belt Cover – Remove this cover to gain access to the V-
belts. 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.
9. Base Plate – Designed to compact sand, clay, and asphalt.
10. Oil Reservoir – Fill with Shell Tellus Oil 46 or equivalent
grade hydraulic oil.
11. Vibration Case – Encloses the eccentric, gears and
counter weights.
12. Hydraulic Cylinder – Activated by moving the travel lever.
The cylinder controls the direction of movement by the plate
compactor.
13. Shock Absorber – Protects plate compactor from damage
by absorbing vibration during operation.
14. Throttle Lever – Controls speed of the plate compactor.
Place straight vertically to start, push fully counterclockwise
for full throttle and fully clockwise to stop plate compactor.
14. Ignition Switch (Option) – Provided for electric start
models only.

MVH-406DSZ PLATE COMPACTOR — OPERATION & PARTS MANUAL — REV. #2 (08/13/07) — PAGE 15
ENGINE COMPONENTS
Figure 5 illustrates the location of the major lever components of
the machine. Each component is described below:
1. Fuel Filler Cap – Remove this cap to add unleaded
gasoline to the fuel tank. Make sure cap is tighten securely.
DO NOT over fill.
2. Fuel Tank – Capacity is 5.3 quarts (5.0 liters) of diesel
fuel.
3. 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.
4. Muffler – Used to reduce noise and emissions.
5. Recoil Starting Handle (pull rope) – Type of engine
starting method. Alternate type would be electric start
(ignition key).
MVH-406DSZ— ENGINE COMPONENTS
Figure 5. MVH-406DSZ Engine Components
6. Starter Motor – Electric-starting method.
7. Oil Filler Cap / Dipstick – Remove this cap to add oil to the
engine crankcase. Read dipstick to determine if oil level is
low. DO NOT over fill.
8. Oil Drain Plug – Unscrew plug to drain oil from engine
crankcase. Dispose of oil in a safe manner.
1
2
3
4
5
7
8
6
8

PAGE 16 — MVH-406DSZ PLATE COMPACTOR — OPERATION & PARTS MANUAL — REV. #2 (08/13/07)
MVH-406DSZ — PRE-INSPECTION
Checking Engine Oil Level
1. To check the engine oil level, place the compactor on secure
level ground with the engine stopped.
2. Remove the dipstick from the engine oil filler hole (Figure 6)
and wipe it clean.
3. Insert and remove the dipstick without screwing it into the
filler neck. Check the oil level shown on the dipstick.
NEVER operate the compactor in a confined
area or enclosed area structure that does not
provide ample
free flow of air .
ALWAYS wear approved eye and hearing
protection before operating the compactor.
Before Starting
1. Read safety instructions at the beginning
of manual.
2. Familiarize yourself with the operating
and control elements of the machine
and the working environment. This includes obstacles in
the working area, bearing capacity of the ground and the
necessary safety provisions.
3. Check the air filter for dirt and dust. If air filter is dirty, replace
air filter with a new one as required.
4. Check fastening nuts and bolts for tightness. Loose threads
may cause damage to the machine when vibrating.
5.Understand the geographical features and regulations of
the job site.
6. Clean the compactor, removing dirt and dust. Particularly,
the bottom of the plate, engine cooling air inlet.
Figure 6. Engine Oil Dipstick Removal
4. If the oil level is low (Figure 7), fill to the edge of the oil filler
hole with the recommended oil type (Table 4).Maximum oil
capacity is 1.63 quarts (1.55 liters).
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Checking the Hydraulic Oil Level
1. To check the engine oil level, place the compactor on secure
level ground with the engine stopped.
2. Remove the hydraulic oil breather cap located at the top of the
hydraulic oil tank (Figure 8).
3. Using a 24 mm wrench, remove the hydraulic oil filler plug.
3. Visually inspect to determine if hydraulic oil level is low. If oil
level is low add Shell Tellus 46 hydraulic oil or equivalent
through the hand pump oil filler port.
Figure 8. Hydraulic Oil Filler Plug Removal
CAUTION
Figure 7. Engine Oil Level

MVH-406DSZ PLATE COMPACTOR — OPERATION & PARTS MANUAL — REV. #2 (08/13/07) — PAGE 17
Checking The Fuel
1. Remove the fuel cap located on top of fuel tank.
2. Visually inspect to see if fuel level is low. If fuel is low, replenish
with diesel fuel (Figure 12).
3. When refueling, be sure to use a strainer for filtration. DO NOT
top-off fuel. Wipe up any spilled fuel.
Figure 12. Refueling
Fuel spillage on a hot engine can cause a fire or explosion .
If fuel spillage occurs, wipe up the spilled fuel completely to
prevent fire hazards. NEVER! smoke around or near the
compactor.
Explosive Fuel
Diesel fuel is highly flammable and can be dangerous if
mishandled. DO NOT smoke while refueling. DO NOT attempt
to refuel the compactor if the engine is
hot! or running .
DANGER
MVH-406DSZ — PRE-INSPECTION
4. When adding hydraulic oil, only fill to the specified oil level as
marked on the front of the hydraulic oil tank (Figure 9). DO
NOT overfill
Checking the Air Cleaner
1. To check the engine oil level, place the compactor on secure
level ground with the engine stopped.
2. Loosen the wing nut (Figure 10), remove the air cleaner
cover.
3. Remove the air cleaner element (Figure 11) and inspect it
for signs of wear or dirt. If air cleaner element is dirty, clean
or replace element.
Figure 11. Air Cleaner Element
Figure 9. Oil Tank (Front View)
Figure 10. Air Cleaner
DANGER
DO NOT overfill hydraulic oil tank. This could cause oil leaks
and sluggish operation. Clean cap and surrounding area before
opening to prevent dirt from entering oil tank.
CAUTION
WING
NUT
AIR
CLEANER
ELEMENT

PAGE 18 — MVH-406DSZ PLATE COMPACTOR — OPERATION & PARTS MANUAL — REV. #2 (08/13/07)
Adjusting Handle Height
The height of the handle is adjustable for your comfort .
1. Loosen the butterfly screw (Figure 14).
2. Turn the grip clockwise to raise the handle or counterclock-
wise to lower the handle.
3. When the handle is raised to the desired height, tighten the
butterfly screw.
MVH-406DSZ — OPERATION
Figure 14. Handle Adjustment
Electric Start
1. Place the
throttle lever (Figure 15) in the START position
(center). Place the
travel lever in the neutral position
(center)
Figure 15. Travel/Throttle Lever (Start Positions)
STARTING THE ENGINE
2. Insert the ignition key into the ignition switch and turn it to
the RUN position (Figure 16).The buzzer should sound at
this time.
3. Turn the ignition key further to the right to the START
position to start the engine. Buzzer stops sounding and the
engine starts.
4. If the engine fails to start, DO NOT continue to rotate the
ignition key for more than 5 seconds. Return the key to the
RUN position and wait 10 seconds before starting again
Figure 16. Starter Switch (Option)
DO NOT attempt to operate the compactor
until the Safety, General Information and
Inspection sections of this manual have
been
read and thoroughly understood .
This section is intended to assist the
operator with the
initial start-up of the
compactor. It is extremely important that this section be read
carefully before attempting to use the compactor in the field.
Refer to Figure 3 for the location of controls and components.
Releasing the Handle
1. Pull the handle release pin, (Figure 13) then push down on
the hand grip to release the handle.
Figure 13. Handle Release Pin
CAUTION

MVH-406DSZ PLATE COMPACTOR — OPERATION & PARTS MANUAL — REV. #2 (08/13/07) — PAGE 19
While the engine is running, never try to turn the ignition key to
the START position.
6. After starting the engine, continue to warm up the engine
for about 3 to 10 seconds especially in cold weather.
7. If the buzzer does not stop sounding after the engine has
started, shutdown engine immediately and check engine
oil level. The buzzer functions as a engine oil level alarm
warning device.
Recoil Start
1. Move the throttle lever to the START position (Figure 16).
2. Grasp the starter grip (Figure 17) and slowly pull it out.The
resistance becomes the hardest at a certain position,
corresponding to the compression point.
3. Pull the starter grip briskly and smoothly for starting.
4. If the engine does not start, repeat steps 2 and 3.
Figure 17. Engine Start Handle
When starting a unit with an electric start capability,
a decompressor is not normally required.However,
when ambient temperature or battery charger level
is low, use of a decompressor will help make the
start-up easier.
TRAVELING
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 harm.
Figure 18. Throttle Lever (Fast)
1. Grasp the compactor's hand grip (Figure 18), and move the
engine throttle lever (Figure 18) quickly to the
fast position.
2. With the throttle lever in the fast position, the engine speed
should be around 3,400 RPM, therefore engaging the cen-
trifugal clutch.
CAUTION
CAUTION
MVH-406DSZ — OPERATION
ALWAYS move the throttle lever quickly without
hesitation, because increasing the engine
speed slowly causes the clutch to slip.
Figure 19. Travel Lever
3. To make the compactor move in the forward direction push
the travel lever ( Figure 19) forward.
1
2

PAGE 20 — MVH-406DSZ PLATE COMPACTOR — OPERATION & PARTS MANUAL — REV. #2 (08/13/07)
STOWING THE HANDLE
1. Push up the handle upward (Figure 22) until the handle locks
in place.
Figure 22. Stowing the Handle
Normal Shutdown
1. Return the throttle lever to the START position (Figure 16).
Allow the machine to cool down for 2 to 3 minutes.
2. Place the travel lever in the NEUTRAL position.
3. Place the throttle lever in the STOP position (Figure 20) to stop
the engine. If using an electric start unit, return the key switch to
the STOP position (Figure 21) as soon as the engine stops.
Figure 20. Throttle Lever (Stop)
Figure 21. Starter Switch (STOP)
Emergency Shutdown
1. For a recoil start type engine, move the throttle lever quickly
to the
STOP position.
2. For a electric start type engine, place the engine
IGNITION
switch in the OFF position.
MVH-406DSZ—OPERATION
4. To make the compactor move in the reverse direction pull the
travel lever ( Figure 21) backwards.
5. Firmly grasp the compactor's hand grip, the compactor will
begin moving in the desired position when the direction lever
has been placed in the desired position.
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.
7. If travel lever is placed in the neutral position, the machine will
vibrate in place.
8. To move the compactor laterally, hold the hand grip firmly and
swing compactor. DO NOT swing compactor while gripping
the travel lever.

MVH-406DSZ PLATE COMPACTOR — OPERATION & PARTS MANUAL — REV. #2 (08/13/07) — PAGE 21
MVH-406DSZ — MAINTENANCE
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 5 through 7.
Daily Service
z Check for leakage of fuel or oil.
z Check for loose screws including tightness. See Table 7
below (tightening torque ), for retightening:
z Remove soil and clean the bottom of compaction plate.
z Check hand pump, piping and hose for any leakage. A
loosened hydraulic hose can be a cause for leakage.
Check hydraulic hose connections with wrench applied
for tightness.
z Check engine oil.
Inspection and other services should always be carried out on
hard and level ground with the engine shutdown.
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.
Fuel piping and connections should be replaced every 2 years.
CAUTION
CAUTION
CAUTION
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