Multiquip MRH800GS User Manual
OPERATION AND PARTS MANUAL
MODEL MRH800GS
Vibratory Roller
(
HONDA GX390K1SM32
Revision #5 (05/27/08)
To find the latest revision of this
publication, visit our website at:
www.multiquip.com
SERIES
GASOLINE ENGINE)
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
PROPOSITION 65 WARNING
PAGE 2 — MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08)
NOTES
MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08) — PAGE 3
TABLE OF CONTENTS
Proposition 65 Warning ............................................. 2
Table Of Contents ..................................................... 4
Parts Ordering Procedures ....................................... 5
MIKASA MRH800GSVIBRATION ROLLER
Safety Message Alert Symbols .............................. 6-7
Rules for Safe Operation ........................................ 8-9
Operation and Safety Decals ............................. 10-11
Roller Specifications ................................................ 12
Engine Specifications .............................................. 13
Dimensions ............................................................. 14
Features .................................................................. 15
Vibration roller Components .............................. 16-17
Handle Bar/Lever Components.......................... 18-19
Engine Components ............................................... 20
Inspection ........................................................... 22-23
Operation ........................................................... 24-27
Maintenance ...................................................... 28-31
Roller Troubleshooting ....................................... 34-35
Engine Troubleshooting...................................... 36-37
HONDA GX390K1SM32
GASOLINE ENGINE
Cylinder Head Assembly .................................. 74-75
Cylinder Barrel Assembly ................................. 76-77
Crankcase Cover Assembly ............................. 78-79
Crankshaft Assembly ....................................... 80-81
Piston Assembly ............................................... 82-83
Camshaft Assembly ......................................... 84-85
Recoil Starter Assembly ................................... 86-87
Fan Cover Assembly ........................................ 88-89
Carburetor Assembly ....................................... 90-91
Air Cleaner Assembly....................................... 92-93
Muffler Assembly ............................................. 94-95
Fuel Tank Assembly ......................................... 96-97
Fly Wheel Assembly ......................................... 98-99
Ignition Coil Assembly .................................. 100-101
Starter Motor Assembly ............................... 102-103
Control Assembly ......................................... 104-105
Control Box Assembly .................................. 106-107
Label Assembly ............................................ 108-109
Terms and Conditions Of Sale — Parts .............. 110
PARTS ILLUSTRATIONS
Explanation Of Code In Remarks Column .............. 38
Suggested Spare Parts ........................................... 39
Decal Placement ................................................ 40-41
Axle Assembly .................................................... 42-43
Base Assembly .................................................. 44-45
Front Guard Assembly ....................................... 46-47
Side Cover Assembly ......................................... 48-49
Water Tank Assembly ......................................... 50-51
Hydraulic System Assembly ............................... 52-55
Hydraulic Oil Tank Assembly .............................. 56-57
Engine Assembly Assembly ............................... 58-61
Electric Device Assembly ................................... 62-63
Clutch (Vibration) Assembly .............................. 64-65
Vibrator Assembly .............................................. 66-67
Upper Control Arm Assembly ............................ 68-71
Lower Control Arm Assyembly ........................... 72-73
NOTE
Specification and
part number are
subject to change
without notice.
PAGE 4 — MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08)
PARTS ORDERING PROCEDURES
Ordering parts has never been easier!
Choose from three easy options:
Effective:
January 1
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 Parts
to log in and save!
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.
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 your
District Sales Manager for more information.
internet
Use the
on
Standard orders
and qualify for a 5% Discount
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
their local Multiquip Representatives for
Parts Ordering information.
Note: Discounts Are Subject To Change
Note: Discounts Are Subject To Change
should contact
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
❒❒
All orders are treated as
Standard Orders
and will ship the same day if received prior
to 3PM PST.
www.multiquip.com
WE ACCEPT ALL MAJOR CREDIT CARDS!
MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08) — PAGE 5
Specify Preferred Method of Shipment:
❒❒
✓
UPS/Fed Ex
■
Priority One
■
Ground
■ Next Day
■
Second/Third Day
✓ DHL
✓
Tr u c k
MRH800GS — SAFETY MESSAGE ALERT SYMBOLS
FOR YOUR SAFETY AND THE SAFETY OF OTHERS!
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.
This Owner's Manual has been
developed to provide complete
NOTE
Before using this vibration roller, ensure that the operating
individual has read and understands all instructions in this
manual.
instructions for the safe and efficient
operation of the Multiquip Model
MRH800GS Vibration Roller.
Refer to the enginemanufacturer’s
instructions for data relative to its safe
operation.
HAZARD SYMBOLS
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.
Lethal Exhaust Gases
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.
Explosive Fuel
GASOLINE 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. NEVER
use fuel as a cleaning agent.
DANGER: You WILL be KILLED or
SERIOUSLY injured if you do not follow
directions.
WARNING: You CAN be KILLED or
SERIOUSLY injured if you do not follow
directions.
CAUTION: You CAN be injured if you
do not follow directions.
Potential hazards associated with this vibration roller operation
will be referenced with Hazard Symbols which appear
throughout this manual, and will be referenced in conjunction
with Safety Message Alert Symbols.
Burn Hazards
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.
Rotating Parts
NEVER operate equipment with covers, or
guards removed. Keep fingers, hands, hair and
clothing away from all moving parts to prevent
injury.
PAGE 6 — MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08)
MRH800GS — SAFETY MESSAGE ALERT SYMBOLS
Accidental Starting
ALWAYS place the engine ON/OFF switch in
the OFF position, when the vibration roller is
not in use.
Sight and Hearing hazard
ALWAYS wear approved eye and hearing
protection.
Respiratory Hazard
ALWAYS wear approved respiratory
protection.
Equipment Damage Messages
Other important messages are provided throughout this manual
to help prevent damage to your vibration roller, other property,
or the surrounding environment.
NOTE
This vibration roller, other
property, or the surrounding
environment could be damaged
if you do not follow instructions.
MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08) — PAGE 7
MRH800GS — RULES FOR SAFE OPERATION
■
NEVER touch the hot exhaust manifold,
CAUTION:
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 the MIKASA MRH800GS Vibration Roller:
GENERAL 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, steeltoed boots and other protective devices required
by the job. ALWAYS wear slip resistant safety
shoes or boots.
■
NEVER operate this equipment when not feeling
well due to fatigue, illness or taking medicine.
muffler or cylinder. Allow these parts to
cool before servicing engine or vibration
roller.
■
High Temperatures – Allow the engine to cool before adding
fuel or performing service and maintenance functions. Contact
hot
with
■
The engine of this vibration
roller requires an adequate
free flow of cooling air.
NEVER operate the
vibration roller 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 vibration roller 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.
components can cause serious burns.
■
NEVER operate this equipment 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.
■
Whenever necessary, replace nameplate, operation and
safety decals when they become difficult read.
■
ALWAYS wear proper respiratory (mask), hearing and eye
protection equipment when operating the vibration roller.
■
■
■
■
■
■
■
■
ALWAYS use extreme caution when working with flammable
liquids. When refueling, stop the engine and allow it to cool.
DO NOT
explosion could result from fuel vapors, or if fuel is spilled on
a hot engine.
NEVER operate the vibration roller in
an explosive atmosphere or near
combustible materials. An explosion or
fire could result causing severe
smoke around or near the machine. Fire or
bodily
harm or even death.
Topping-off to filler port is dangerous, as it tends to spill fuel.
ALWAYS store the vibration roller 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 vibration roller unattended, turn off engine.
CAUTION must always be observed while servicing this
vibration roller. Rotating parts can cause injury if contacted.
DO NOT leave vibration roller with engine running. Use
chock blocks if parking
vibration roller on a grade.
PAGE 8 — MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08)
MRH800GS — RULES FOR SAFE OPERATION
■
ALWAYS use extreme care when operating near obstructions,
on slippery surfaces, grades and side slopes.
■
When reversing, particularly on the edges and banks of
ditches, as well as in front of obstacles, the operator must stay
in a standing position at a safe distance from the machine.
■
When operating near any house/building or pipelines, always
check the effect of machine vibration. Stop the work if
necessary.
■
Unauthorized equipment modifications will void all
warranties.
■
Refer to the
questions or information.
■
DO NOT operate the vibration roller with the front or rear
cover open.
■
Replace any worn or damaged vibration roller components
immediately.
■
ALWAYS turn the engine
maintenance.
■
ALWAYS make sure vibration roller is correctly secured to
the trailer. Check all supports attaching the vibration roller to
the trailer and make sure they are tight.
■
ALWAYS keep the machine away from workers and obstacles.
Also keep the immediate area free of bystanders.
■
ALWAYS check the machine for loosened threads or bolts
before starting.
■
ALWAYS read, understand, and follow procedures in
Operator’s Manual before attempting to operate equipment.
■
ALWAYS be sure the operator is familiar with proper safety
precautions and operations techniques before using vibration
roller.
■
A copy of this manual shall accompany the vibration roller at
all times.
■
DO NOT use worn out hoses or couplings; inspect daily.
Engine Owner's Manual
for engine technical
OFF
before performing
■
High Temperatures – Always stop engine and allow the
engine to cool before adding fuel, oil or performing service
and maintenance functions. Contact with
cause serious burns.
■
NEVER disconnect any
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.
Emergencies
■
ALWAYS know the location of the nearest
and
Also know the phone numbers of the nearest
doctor
invaluable in case of an emergency.
Maintenance Safety
■
■
■
■
■
■
■
Lifting
■
■
hot
components can
"emergency or safety devices"
.
fire extinguisher
first aid kit
and
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.
The vibration roller has an operating weight of approximately
1530 lbs. (694 kg). Use lifting equipment capable of lifting
this weight.
Make sure the engine is off before lifting the machine.
. Know the location of the nearest telephone.
fire department
ambulance
. This information will be
,
■
Use reliable cable in lifting the machine.
■
Lift upright with sufficient bearing capacity to prevent machine
from tilting or slipping.
■
When lifting, keep the machine away from workers and
animals.
MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08) — PAGE 9
MRH800GS — OPERATION AND SAFETY DECALS
Figure 1 displays the operation and safety decals as they appear on the vibration roller. Should any of these decals become
damaged or unreadable, contact the Multiquip Parts Department for a replacement set.
Figure 1. Operation and Safety Decals
PAGE 10 — MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08)
MRH800GS — OPERATION AND SAFETY DECALS
Figure 1. Operation and Safety Decals (Continued)
MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08) — PAGE 11
MRH800GS — ROLLER SPECIFICATIONS
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PAGE 12 — MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08)
metsySgnitra
MRH800GS — ENGINE SPECIFICATIONS
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MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08) — PAGE 13
MRH800GS — VIBRATION ROLLER DIMENSIONS
SNOISNEMID.3ELBAT
A.ni501.mm0762
B.ni75.mm5441
HTGNEL
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THGIEH
C.ni01.mm552
D.ni8.22.mm085
E.ni8.31.mm053
F.ni2.72.mm296
G.ni6
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I.ni5.64.mm0811
J.ni4.73.mm059
K.ni7.14.mm0601
L.ni6.9.mm542
.31.mm643
Figure 2. MRH800GS Vibration Roller Dimensions
PAGE 14 — MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08)
The Mikasa Model MRH800GS is a powerful compacting
tool capable of applying a tremendous force in consecutive
impacts to a soil surface. Its applications include soil compacting
for backfilling for gas pipelines, water pipelines and cable
installation work.
The impact force of the MRH800GS levels and uniformly
compacts voids between soil particles to increase dry density.
Features include:
Hydraulic transmission to allow speed change without
gear shifting.
Deadman device which when pressed or hit will
cause the travel lever to return to neutral position
bringing the machine to a stop.
A horn to warn of machine’s approach.
Low engine oil level shut down
Non-corrosive water tank for the sprinkler system with a
capacity of more than 10 gallons.
Lifting hook to transport machine.
MRH800GS — FEATURES
Front bumper and working light.
Narrow profile with less than one inch wall clearance.
Narrower width allows access to tighter areas. No
exposed hydraulic hoses.
Oil bath lubricated bearings and external vibration
for less servicing and more dependability.
Front and rear drum scrapers.
Drum sprinkler system controls located near the
operator.
Easy access to hydraulic components and hydraulic
filter.
MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08) — PAGE 15
6
MRH800GS — VIBRATION ROLLER COMPONENTS
7
1
2
5
3
11
4
9
8
10
Figure 3. MRH800GS Vibration Roller Components
PAGE 16 — MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08)
MRH800GS — VIBRATION ROLLER COMPONENTS
Figure 3 illustrates the location of the major components
for the MRH800GS Vibration Roller. The function of each
component is described below:
1. Fuel Tank/Cap – Fill with diesel fuel. Fuel tank holds
approximately 2 gallons (7.5 liters). DO NOT top off fuel.
Wipe up any spilled fuel immediately.
2. Hydraulic Oil Tank - Fill with proper grade of hydraulic oil.
Check fluid level using the hydraulic oil gauge.
3. Front Headlights – Activate using switch on control
handle. Use to illuminate ground durring nighttime or low
light operating conditions.
4. Vibration Rollers – 25-inch wide steel drums that provide
compaction force in the compaction and patching of asphalt
type surfaces.
6. Center Cover – When opened and supported by strut,
provides access to
clutch box
6. Water Tank– Holds 10.57 gallons (40 liters) for the sprinkler
system.
.
oil pump and filter, battery, V-belt, and
7. Lifting Hook – Used to lift the machine with crane or other
lifting device.
8. Hydraulic Oil Gauge – Indicates the hydraulic oil level.
9. Engine – This machine uses the Honda GX390K1SM32
gasoline engine. Refer to page 20 for more information.
10. Parking Brake – Makes sure machine will not accidentally
move when parked or not in use.
11. Vibrator Oil Level Plug – Remove to check vibrator oil
level.
MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08) — PAGE 17
3
4
MRH800GS — HANDLE BAR/LEVER COMPONENTS
1
2
6
5
Figure 4. MRH800GS Lever Components
PAGE 18 — MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08)
MRH800GS — HANDLE BAR/LEVER COMPONENTS
HANDLE BAR/LEVER COMPONENTS
Figure 4 illustrates the location of the major lever
components on the handle bar of the machine. Each
component is described below:
1. Travel Lever – Controls the direction of travel of the
machine (forward and reverse).
4. Horn Button – When pressed, gives a warning sound of
the machine approaching.
3. Vibration Lever – Turns vibration on and off.
4. Throttle Lever – Controls the start up of the machine.
5. Dead-Man Device – When pressed or hit while traveling
in reverse, causes the travel lever to return to neutral
position to stop the machine.
6. Light ON/OFF Switch - Turns headlight on and off.
MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08) — PAGE 19
INITIAL SERVICING
MRH800GS — ENGINE COMPONENTS
Figure 5. Engine Controls and Components
The engine (Figure 5) 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. Spark Plug – Provides spark to the ignition system. Set
spark plug gap to 0.6 - 0.7 mm (0.028 - 0.031 inch) Clean
spark plug once a week.
2. 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.
3. Fuel Valve Lever – OPEN to let fuel flow, CLOSE to stop
the flow of fuel.
Operating the engine without an air
NOTE
4. Choke Lever – Used in the starting of a cold engine, or in
cold weather conditions. The choke enriches the fuel
mixture.
5. Recoil Starter (pull rope) – Manual-starting method. Pull
the starter grip until resistance is felt, then pull briskly and
smoothly.
6. Engine ON/OFF Switch – ON position permits engine
starting, OFF position stops engine operations.
7. Throttle Lever – Used to adjust engine RPM speed (lever
advanced forward
FAST
).
filter, with a damaged air filter, or a
filter in need of replacement will
allow dirt to enter the engine,
causing rapid engine wear.
SLOW
, lever back toward operator
9. Fuel Filler Cap – Remove this cap to add unleaded
gasoline to the fuel tank. Make sure cap is tightened
securely. DO NOT over fill.
10. Muffler – Used to reduce noise and emissions.
11. Engine Oil FIller Cap/Dipstick – Remove to check amount
attempt to start the engine until the fuel residue has been completely
wiped up, and the area surrounding the engine is dry.
and condition of oil in crankcase. Refill or replace with
operating. NEVER operate the engine with the muffler removed.
ecommended type oil as listed in table 2. .
12. Oil Drain Plug –Remove to drain crankcase oil.
13. Engine Starter – Starts engine when ignition key is rotated
to the “ON” position.
DANGER
Adding fuel to the tank should be done only when
the engine is stopped and has had an opportunity
to cool down. In the event of a fuel spill, DO NOT
WARNING
Engine components can generate extreme heat.
To prevent burns, DO NOT touch these areas while
the engine is running or immediately after
8. Fuel Tank – Holds unleaded gasoline. For additional
information refer to engine owner's manual.
PAGE 20 — MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08)
NOTE PAGE
MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08) — PAGE 21
MRH800GS — INSPECTION
DANGER
NEVER operate the
compactorin a confined
area or enclosed area
structure that does not
provide ample
.
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. Remove dirt and dust, particularly
in theengine cooling air inlet,
carburetor and air cleaner.
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 carburetor for external dirt and dust. Clean with dry
compressed air.
free flow
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, fill to the edge of the oil filler hole with the
recommended oil type (Table 3). Maximum oil capacity is
1.16 quarts (1.1 liters).
Checking The Hydraulic System
1. Check the oil tank level gauge (Figure 7). Oil level
should be at the middle indication of the gauge or
higher. Fill as required
2. Check the surroundings of the oil tank, hydraulic
pump and motor for oil leakage.
Level should
be middle of
gauge or
higher
Figure 7. Hydraulic System Oil Level Gauge
5. Check fastening nuts and bolts for tightness.
DANGER
6. Understand the geographical features and regulations of
the job site.
Engine Oil Check
1. To check the engine oil level, place the compactor on secure
level ground with the engine stopped.
2. Remove the filler dipstick from the engine oil filler hole
(Figure 6) and wipe clean.
Figure 6. Engine Oil Level
ETIECAEDOPIT.4ALBAT
nóicatsE arutarepmeT etiecaedopiT
Checking The V-Belt
1. Remove the 2 bolts, one on each side of the center
cover, with a #13 socket wrench. Open the center
cover of the machine and support it with the strut by
inserting its end to the hole in the base (Figure 8).
2. Check V-belt for proper tension. Insufficient tension
causes weak vibration.
Center
Cover
Strut
V-Belt
Always keep hands and fingers away from pinch
points. Do not allow anyone to reach in on
dangerous sections of the machine to avoid any
accidents.
onareV atlasámóC°52 03-W01EAS
oñotO/arevamirP C°01~C°52 02/03-W01EAS
onreivnI ajabsámóC°0 01-W01EAS
PAGE 22 — MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08)
Figure 8. Checking V-Belt Tension
MRH800GS — INSPECTION
Checking The Vibrator Oil Level
1. Check vibrator casing for any oil leakage.
2. If any leakage is noticed, remove the level plug on the side
of the plate (Figure 9).
3. Check the oil level.
Vibrator Oil
Level Plug
Figure 9. Checking Vibrator Oil Level
Fuel Check
1. Remove the fuel cap located on top of the engine fuel tank.
2. Visually inspect to see if the fuel level is low. If fuel is low,
replenish with unleaded gasoline using a strainer for
filtration. DO NOT top-off fuel. Wipe up any spilled fuel
immediately!
Checking Levers and Horn
1. Check travel, vibration, and throttle levers to make sure
they are functioning properly (Figure 4).
2. With travel lever placed in reverse, push the deadman
device and verify that the travel lever returns to neutral
position. The travel lever stays in neutral position once the
deadman device is released.
3. Press the horn and verify that it functions properly.
Checking Scrapers
1. Check scrapers and make sure that they are not clogged
with mud, bent or damaged (Figure 11).
2. Adjust clearance between drums and scrapers as
necessary.
DANGERDANGER
DANGER
DANGERDANGER
Motor fuels are highly
flammable and can be
dangerous if mishandled. DO
NOT smoke while refueling.
DO NOT attempt to refuel the pump if the
engine is
Checking Water Tank
1. Check the water tank to see if filled. Add water if necessary.
hot! or running
The water tank has a capacity of approximately 10 gallons
(40 liters) (Figure 10).
Figure 10. Checking Water Tank
.
CAUTION :
Scrapers
Figure 11. Checking Scrapers
Checking Bolts, Nuts and Screws
1. Check bolts, nuts, and screws on various parts of the
machine, including the engine, for proper tightness.
Positioning the Handle Bar
1. Release the handle bar release pin (Figure 12) and position
the handle bar to the lowered position before starting
operation.
2. When machine is not in use, release the handle bar release
pin and position the handle bar to the upright position.
Handle Bar
Release Pin
Be careful not to confuse the water tank with the
oil tank.
MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08) — PAGE 23
Figure 12. Positioning the Handle Bar
MRH800GS — OPERATION
STARTING THE ENGINE
The engine can be started by motor (electric) or manually
(recoil). Refer to Figures 3 and 4 for the location of
controls and components.
4. Place the
if starting a
CAUTION :
Make sure to follow all safety rules referenced in
the safety section of this manual before operating
roller. Keep work area clear of debris and other
objects that could cause damage to the roller or
bodily injury.
CAUTION :
When the engine is running, NEVER turn the
starter key to the START position
Electric Start
1. On the control handle:
A. Move the
B. Move the
throttle lever
travel lever
to the NEUTRAL position.
to the RUN position.
5. Place the
position.
choke lever
warm engine
Figure 15. Engine Choke Lever (Closed)
engine ON/OFF switch
(Figure 15) in the "
or the
temperature is warm.
CLOSED
(Figure 16) in the "
" position
ON
"
C. Move the
2. Place the engine
position.
Figure 13. Engine Fuel Valve Lever (ON Position)
3. Place the
if starting a
vibration lever
fuel valve lever
choke lever
cold
(Figure 14) in the "
engine.
to the OFF position.
(Figure 13) to the "ON"
OPEN
" position
Figure 16. Engine ON/OFF Switch (ON Position)
7. If the engine has started, slowly return the choke lever
(Figure 17 ) to the
started repeat steps 1 through 6.
Figure 17. Choke Lever (Closed)
CLOSED
position. If the engine has not
8. Before the roller is placed into operation, run the engine for
several minutes. Check for fuel leaks, and noises that would
be associated with a loose component.
Figure 14. Engine Choke Lever (Open)
PAGE 24 — MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08)
MRH800GS — OPERATION
Recoil Start
1. On the control handle:
A. Move the
B. Move the
C. Move the
2. Place the engine
position.
Figure 18. Engine Fuel Valve Lever (ON Position)
3. Place the
if starting a
throttle lever
travel lever
vibration lever
fuel valve lever
choke lever
cold
(Figure 19) in the "
engine.
to the RUN position.
to the NEUTRAL position.
to the OFF position.
(Figure 18) to the "ON"
OPEN
" position
6. Grasp the starter grip (Figure 21) and slowly pull it out. The
resistance becomes the hardest at a certain position, corresponding to the compression point. Pull the starter grip
briskly and smoothly for starting.
Figure 12. Starter Grip
7. If the engine has started, slowly return the choke lever
(Figure 22 ) to the
started repeat steps 1 through 6.
CLOSED
position. If the engine has not
Figure 22. Choke Lever (Closed)
8. Before the roller is placed into operation, run the engine for
Figure 19. Engine Choke Lever (Open)
4. Place the
if starting a
choke lever
warm engine
Figure 20. Engine Choke Lever (Closed)
MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08) — PAGE 25
(Figure 20) in the "
or the
temperature is warm.
CLOSED
" position
several minutes. Check for fuel leaks, and noises that would
be associated with a loose component.
MRH800GS — OPERATION
TRAVELING
1. Before starting to travel, make sure to release parking brake
located on the left side of the rear roller. If the parking brake
lever is tight, moving the roller back and forth will make it
easier (Figure 23.
Parking
Brake
(Released
Position)
Figure 23. Parking Brake
2. With the throttle lever in the RUN position, increase
the engine rotation.
3. Push the travel lever forward slightly. This will cause
the roller to travel forward at slow speed.
4. To increase the travel speed, push the travel lever
further.
5. Travel speed can be varied between 0 and 3 km/h
(both forward and reverse).
6. Push the travel lever backward to go in the reverse
direction.
VIBRATING
1. Shift the vibration lever away from its off position. The
vibration lever will automatically spring forward and the
roller will start vibrating (Figure 24).
CAUTION :
Off Position of
Vibration Lever
Figure 24. Vibration Lever
Using vibration with clutch slipping causes
the clutch to burn. Also, vibration should not
be used over completely compacted area,
paved road surface, or with stationary roller.
CAUTION :
DO NOT reduce speed during work. When
shifting travel lever from forward to reverse,
be sure to stop the lever at the NEUTRAL
position first before moving the lever to the
opposite direction. DO NOT shift the lever
from forward to reverse (or reverse to
forward) in one motion.
CAUTION :
After test travel, shut down engine and
check for any problems including oil
leakage. If any trouble is found, correct the
problem before attempting to operate the
roller again.
PAGE 26 — MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08)
WATERING
1. For watering work, turn the water cocks clockwise, at the
rear of the machine, to start sprinkling. (Figure 25).
Watercock
for Front
Drum
Watercock
for Rear
Drum
Figure 25. Water Cocks
SAFETY FEATURES
MRH800GS — OPERATION
1. A horn is provided to warn of approach.
2. The dead man device prevents accidental traveling
in reverse. It automatically makes the travel lever
return to neutral position by stopping the machine
when an object comes in contact with the dead man
device.
STOPPING
1. With travel lever in the neutral position, and the
vibration lever in the off position, return the throttle
lever to the START position. Allow the machine to
cool down for 3 to 5 minutes.
2. Push the throttle lever forward to stop the engine. In
a motor start, return the key switch to the STOP
position as soon as the engine stops.
Bypass
Valve
Bolt
CAUTION :
CAUTION :
Neglecting to return the key switch to the
STOP position will cause the battery to
discharge making start up impossible the
next time.
3. After the engine stops, close the fuel cock.
4. Lock the parking brake by pulling the brake lever
and rotating it 90 degrees clockwise.
Parking brake system should
NOTE
always be kept clean to avoid
mud deposits.
LIFTING
1. Use a crane or lift to load and unload the machine. A
skilled crane operator is required to perform the job.
2. When lifting the machine, check for any damaged or
loose bolts, lifting hooks, and shock mounts.
3. Check any damaged or loose bolts in the guard frame to
avoid machine sliding off.
4. Make sure that the machine is shut off before machine is
lifted.
5. Use reliable cable for lifting.
6. ALWAYS lift the machine vertically and keep the
machine away from workers and animals.
Figure 26 Location of Bypass Valve Bolt
NEVER tow roller with any type of vehicle.
Doing so will damage the hydraulic system.
NEVER perform unloading procedure on a
slope. This may cause roller to roll down if
parking brake or blocking is deficient.
7. DO NOT lift the machine higher than the required
UNLOADING
1. If you need to move the roller by pushing it manually
once engine is stopped, loosen bolt of bypass valve
on oil pump by one rotation counterclockwise. This
will cause the hydraulic break to disengage and allow
the roller to be moved more easily (Figure 26).
2. After moving, tighten the bolt again. Tightening torque
is 55 to 70 kgf-cm.
MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08) — PAGE 27
height.
TRANSPORTING
1. ALWAYS make sure that the machine is shut off
while being transported.
2. Check that the fuel cap is properly closed and
tightened.
3. When traveling long distances or on rugged terrain,
drain the fuel of the machine before transporting.
4. Tie down the machine securely on the
transportation so that it will not move or topple over.
MRH800GS — MAITENANCE
CAUTION:
Inspection and other services should
carried out on hard and level ground with the
engine shutdown.
Inspection and Maintenance Service Tables.
1. To make sure your roller is always in good working condition
before using, carry out the maintenance inspection in
accordance with Tables 5 through 7.
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sdaerhT
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Daily Service
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CAUTION:
These inspection intervals are for operation under
normal conditions. Adjust your inspection intervals
based on the number hours roller is in use, and
particular working conditions. Fuel piping and
connections should be replaced every 2 years.
gnillortnoCfonoitcnuF
kaeLmetsySciluardyHsruoh001yrevE
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z
Check for leakage of fuel or oil.
z
Check for loose screws including tightness. See Table 7
below (tightening torque ), for retightening:
)mc/gk.ni(EUQROTGNINETHGIT.7ELBATRETEMAID
mm6 mm8 mm01 mm21 mm41 mm61 mm81 mm02
lairetaM
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
T11 051 004 008 002,1 000,2 009,2 002,4 006,5
42egapeeS
apeeS
* 001
z
Remove soil and clean the bottom of compaction plate.
z
Check hydraulic pump, piping and hose for any leakage. A
~003
~056
053
007
)munimulafositrap-retnuocesacnI(*
)dednahthgirllaeraenihcamsihthtiwesunisdaerhT(
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.wercsdna,tlobhcaenode
loosened hydraulic hose can be a cause for leakage. Check
hydraulic hose connections with wrench applied for
tightness.
z
Check engine oil.
PAGE 28 — MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08)
MRH800GS — MAINTENANCE
Spark Plug
1. Remove and clean the spark plug (Figure 27).
2. Adjust the spark gap to 0.028 ~0.031 inch (0.6~0.7 mm). This
unit has electronic ignition, which requires no adjustments.
Figure 27. Spark Plug Gap
Engine Oil Replacement
1. Replace engine oil, first in 25 hours of operation and every
50 to 100 hours afterwards.
2. Drain the engine oil when the oil is
Figure 28.
3. Remove the oil drain bolt and sealing washer and allow
the oil to drain into a suitable container.
warm
as shown in
Air Filter
1. Remove the air cleaner cover and foam filter element as
shown in Figure 23.
2. Tap the paper filter element (Figure 29) several times on a
hard surface to remove dirt, or blow compressed air [not
exceeding 30 psi (207 kPa, 2.1 kgf/cm
element from the air cleaner case side.
Brushing will force dirt into the fibers. Replace the paper filter
element if it is excessively dirty.
3. Clean foam element in warm, soapy water or nonflammable
solvent. Rinse and dry thoroughly. Dip the element in clean
engine oil and completely squeeze out the excess oil from the
element before installing.
2
)] through the filter
NEVER
brush off dirt.
4. Replace engine oil with recommended type oil as listed
in Table 3. Engine oil capacity is 1.16 quarts (1.1 liters).
DO NOT overfill.
5. Install drain bolt with sealing washer and tighten securely.
ROLLER INSPECTION AND ADJUSTMENT
1. Refer to Table 7 for oil and grease requirements.
2. Check oil tank level daily.
3. Check the machine for oil leak and proper function of lever,
cables, and links daily.
Figure 28. Engine Oil (Draining)
Figure 29. Engine Air Filter
MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08) — PAGE 29
zz
z
Do not close the exhaust outlet of battery. The gas pressure
MACHINE MAINTENANCE
1. At the end of each day’s operation, wash down dust and
dirt off the machine. Clean area around drums ad scrapers
making sure all mud is removed.
2. Drain water tank completely.
3. Cover the machine to prevent dust and store in dry place
away from sun exposure.
LONG TERM STORAGE
1. Conduct thorough lubrication and oil change.
2. Disconnect battery terminals and dismount battery from
machine. Store battery.
3. If there a possibility that ambient temperature will drop
below freezing point, add antifreeze agent to coolant.
4. Cover the inlet and outlet of air cleaner and muffler
securely.
5. Store machine indoors. DO NOT leave outdoors.
6. Refer to Table 7 for lubrication necessary for the machine.
BATTERY MAINTENANCE
DANGER :
Lead-acid battery contains sulfuric
acid, which may damage eyes or
skin on contact.
zz
building up in the battery may cause explosion.
zz
z
Before using a battery charger, read and understand the
zz
charger instruction manual thoroughly.
zz
z
Charge the battery in a non-spark, well-ventilated area. Avoid
zz
fire from cigarette sparks or matches.
1. If a battery has not been used for some time, reduce
the charge level initially to protect each plate inside
the battery.
2. Check the battery terminals periodically to ensure
that they are in good condition.
3. Use wire brush or sand paper to clean the battery
terminals.
4. Check battery for cracks or any other damage. If white
pattern appears inside the battery or paste has
accumulated at the bottom, replace the battery.
5. Measure the specific gravity of electrolyte:
completely charged: 1.270 - 1.290
needs charging: 1.260 or lower
6. If the machine will not be in operation for a long
period of time, charge the battery sufficiently, tighten
all caps, correctly, store in cool dry place and check
the battery charge level every month to maintain the
performance of the battery.
BATTERY CABLE CONNECTION
MRH800GS — MAINTENANCE
1. When removing cable, disconnect the ground side (normally
negative) first (Figure 30).
FOR YOUR SAFETY:
zz
z
Always wear a face shield to avoid acid getting into the eyes.
zz
If acid gets in contact with eyes, flush immediately with clean
water and get medical advice.
zz
z
Wear rubber gloves and protective clothes to keep acid off
zz
skin. If acid gets in contact with skin, wash off immediately
with clean water.
zz
z
Use a flashlight to check battery electrolyte level. Always
zz
check the engine is stopped.
zz
z
DO NOT charge battery or jump-start engine when the
zz
battery is frozen. Warm the battery to 15 degrees F or battery
may explode.
zz
z
Replace the battery with the same or similar capacity battery
zz
or battery may explode.
PAGE 30 — MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08)
Negative
Terminal
Figure 30. Battery Connection
2. When installing cable connect the ground side (normally
negative) last.
Positive
Terminal
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