Multiquip CA4HM User Manual
OPERATION MANUAL
SERIES
MODEL CA4HM
WALK-BEHIND TROWEL
(HONDA
KOHLER 27 HP
GX120K1QX2/GX120UT1QX2
KOHLER 28 HP EFI
GASOLINE ENGINE)
Revision #3 (10/28/10)
To find the latest revision of this
publication, visit our website at:
www.multiquip.com
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
P/N 21518
PROPOSITION 65 WARNING
Engine exhaust and some of
its constituents, and some dust created
by power sanding, sawing, grinding,
drillingandotherconstructionactivities
contains chemicals known to the State
of California to cause cancer, birth
defects and other reproductive harm.
Some examples of these chemicals are:
Leadfromlead-basedpaints.
Crystallinesilicafrombricks.
Cementandothermasonryproducts.
Arsenicandchromiumfrom chemically
treatedlumber.
Your risk from these exposures varies,
dependingonhowoftenyoudothistype
of work. To reduce your exposure to
these chemicals: work in aALWAYS
well ventilated area, and work with
approved safety equipment, such as
dust masks that are specially designed
to filter out microscopic particles.
PAGE 2 — CA4HM WALK-BEHIND TROWEL — OPERATION MANUAL — REV. #3 (10/28/10)
SILICOSIS/RESPIRATORY WARNINGS
WARNING
SILICOSIS WARNING RESPIRATORY HAZARDS
Grinding/cutting/drilling of masonry, concrete, metaland
other materials with silica in their composition may give
off dust or mists containing crystalline silica. Silica is a
basic component of sand, quartz, brick clay, granite and
numerous other minerals and rocks. Repeated and/or
substantial inhalation of airborne crystalline silica can
cause serious or fatal respiratory diseases, including
silicosis. In addition, California and some other
authorities have listed respirable crystalline silica as a
substance known to cause cancer. When cutting such
materials, always follow the respiratory precautions
mentioned above.
WARNING
Grinding/cutting/drilling of masonry, concrete, metaland
other materials can generate dust, mists and fumes
containing chemicals known to cause serious or fatal
injury or illness, such as respiratory disease, cancer,
birth defects or other reproductive harm. If you are
unfamiliar with the risks associated with the particular
process and/or material being cut or the composition of
the tool being used, review the material safety data
sheet and/or consult your employer, the material
manufacturer/supplier, governmental agencies such as
OSHA and NIOSH and other sources on hazardous
materials. California and some other authorities, for
instance, have published lists of substances known to
cause cancer, reproductive toxicity, or other harmful
effects.
Control dust, mist and fumes at the source where
possible. In this regard use good work practices and
follow the recommendations of the manufacturers or
suppliers, OSHA/NIOSH, and occupational and trade
associations. Water should be used for dust
suppression when wet cutting is feasible. When the
hazards from inhalation of dust, mists and fumes cannot
be eliminated, the operator and any bystanders should
always wear a respirator approved by NIOSH/MSHA for
the materials beingused.
CA4HM WALK-BEHIND TROWEL — OPERATION MANUAL — REV. #3 (10/28/10) — PAGE 3
MQ WHITEMAN CA4HM
WALK-BEHIND TROWEL
Proposition 65 Warning ............................................. 2
Silicosis/Respiratory Warnings .................................. 3
Training Checklist ...................................................... 5
Daily Pre-Operation Checklist ................................... 6
Safety Information ................................................ 7-11
Dimensions ............................................................. 12
Specifications .......................................................... 13
General Information ................................................ 14
Components............................................................ 15
Basic Engine ........................................................... 16
Assembly ................................................................. 17
Inspection ........................................................... 18-19
Operation ........................................................... 20-23
Options .................................................................... 24
Maintenance ...................................................... 25-30
Troubleshooting ................................................. 31-34
Engine Wiring Diagram ........................................... 35
TABLE OF CONTENTS
NOTICE
Specifications are subject to change without notice
PAGE 4 — CA4HM WALK-BEHIND TROWEL — OPERATION MANUAL — REV. #3 (10/28/10)
TRAINING CHECKLIST
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CA4HM WALK-BEHIND TROWEL — OPERATION MANUAL — REV. #3 (10/28/10) — PAGE 5
DAILY PRE-OPERATION CHECKLIST
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PAGE 6 — CA4HM WALK-BEHIND TROWEL — OPERATION MANUAL — REV. #3 (10/28/10)
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.
Symbol Safety Hazard
Lethal exhaust gas hazards
Explosive fuel hazards
Burn hazards
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.
Rotating parts hazards
Pressurized fluid hazards
CA4HM WALK-BEHIND TROWEL — OPERATION MANUAL — REV. #3 (10/28/10) — PAGE 7
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.
Avoid wearing jewelry or loose fitting clothes that may
snag on the controls or moving parts as this can cause
serious injury.
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.
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.
No one other than the operator is to be in the working
area when the equipment is in operation.
DO NOT use the equipment for any purpose other than
its intended purposes or applications.
PAGE 8 — CA4HM WALK-BEHIND TROWEL — OPERATION MANUAL — REV. #3 (10/28/10)
SAFETY INFORMATION
TROWEL SAFETY
DANGER
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.
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
DANGEROUS
GAS FUMES
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.
A safety manual for operating and maintenance
personnel of concrete power trowels produced by the
Association of Equipment Manufacturers (AEM) can be
obtained for a fee by ordering through their website at
www.aem.org.
Order FORM PT-160
ENGINE SAFETY
WARNING
DO NOT place hands or fingers inside engine
compartment when engine is running.
ALWAYS keep clear of rotating or moving
parts while operating the trowel.
DO NOT start or operate the trowel if the
drive train will not disengage. Centrifugal
force between the trowel and surface when starting can
cause uncontrolled handle movement that can cause
serious injury. The handle must not move while pulling
the engine recoil starter.
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 stand on trowel during operation.
NEVER lubricate components or attempt service on a
running machine.
NEVER place your feet or hands inside the guard rings
while starting or operating this equipment.
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 trowel.
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 trowel.
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
trowel.
CAUTION
NEVER touch the hot exhaust manifold,
muffler or cylinder. Allow these parts to cool
before servicing equipment.
CA4HM WALK-BEHIND TROWEL — OPERATION MANUAL — REV. #3 (10/28/10) — PAGE 9
SAFETY INFORMATION
NOTICE
NEVER run engine without an air filter or with a dirty air
filter. Severe engine damage may occur. Service air filter
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.
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
Store fuel in appropriate containers, in well-ventilated
areas and away from sparks and flames.
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.
TRANSPORTING SAFETY
CAUTION
NEVER allow any person or animal to
stand underneath the equipment while
lifting.
NOTICE
Some walk-behind trowels can be lifted or moved by two
people utilizing lifting tubes or other special attachments.
Generally, however, they must be lifted using lifting bales
and cranes, hoists, or forklifts.
FUEL
DO NOT start the engine near spilled fuel or combustible
fluids. 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.
NEVER transport trowel with float pans attached unless
safety catches are used and are specifically cleared for
such transport by the manufacturer.
NEVER hoist the trowel more than three feet off the
ground with float pans attached.
Before lifting, make sure that the lifting bales are not
damaged.
Always make sure crane or lifting device has been
properly secured to the lifting bales 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.
Use adequate lifting cable (wire or rope) of sufficient
strength.
DO NOT lift machine to unnecessary heights.
ALWAYS tie down equipment during transport by
securing the equipment with rope.
PAGE 10 — CA4HM WALK-BEHIND TROWEL — OPERATION MANUAL — REV. #3 (10/28/10)
GENERATOR SAFETY
If using a generator to power trowel, refer to
applicable generator manual safety information
section.
ELECTRICAL SAFETY
DANGER
NEVER let power cords or cables lay in water.
NEVER use damaged or worn cables or cords when
connecting equipment to generator. Inspect for cuts in
the insulation.
NEVER grab or touch a live power
cord or cable with wet hands. The
possibility exists of electrical shock,
electrocution or death.
Make sure power cables are securely connected.
Incorrect connections may cause electrical shock and
damage to the trowel.
SAFETY INFORMATION
NOTICE
ALWAYS make certain that proper power or extension
cord has been selected for the job.
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.
CA4HM WALK-BEHIND TROWEL — OPERATION MANUAL — REV. #3 (10/28/10) — PAGE 11
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