Crown WBT36 Manuel de service
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Operator’s Safety and Service
WBT Power Trowels
WBT36/WBT46
It is the OWNER´S RESPONSABILITY to communicate information on the
SAFE USE and OPERATION of this machine to the operators.
01012019
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TABLE OF CONTENTS
1.Introduction............................................................. 4
2.Safety Information................................................... 5
2.1. Laws Pertaining to Spark Arrestors...................................... 5
2.2. Operating Safety....................................................... 5
2.3. Operator Safety while using Internal Combustion Engines................ 6
2.4. Service Safety ......................................................... 7
2.5. Decal Locations........................................................ 8
2.6. Safety and Information Labels .......................................... 9
3.Technical Data ....................................................... 12
3.1. Engine......................................................... 12
3.2. Noise and Vibration .................................................. 13
4.Operation............................................................... 14
4.1. Application .......................................................... 14
4.2. New Machine Set-up................................................. 14
4.3. Recommended Fuel.................................................. 14
4.4. Installing Blades ..................................................... 14
4.5. Installing and Adjusting Handles ...................................... 15
4.6. Controls ............................................................. 16
4.7. Engine switch handle................................................. 17
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4.8. Before Starting....................................................... 17
4.9. To Start ............................................................. 17
4.10. To Stop ........................................................... 18
4.11. Engine Control Module ............................................. 18
4.12. Operation.......................................................... 19
4.13. Braking System.................................................... 20
4.14. Pitch Adjustment................................................... 21
5.Maintenance.......................................................... 22
5.1. Periodic Maintenance Schedule....................................... 22
5.2. Engine Oil ........................................................... 22
5.3. Air Cleaner .......................................................... 23
5.4. Spark Plug .......................................................... 23
5.5. Cleaning Sediment Cup .............................................. 24
5.6. Adjusting Idle Speed ................................................. 24
5.7. Carburetor Adjustment ............................................... 25
5.8. Belt Replacement.................................................... 25
5.9. Trowel Lubrication ................................................... 26
5.10. Optional Weights................................................... 27
5.11. Lifting ............................................................. 27
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5.12. Storage................................ 27
5.13. Troubleshooting.................................................... 28
6.Warehouse Locations ............................................ 31
7.Additional Notes.................................................... 31
8.Safety Program ...................................................... 33
9.Parts List Breakdown ..............................Attachment
CALIFORNIA
Proposition 65 Warning:
Engine exhaust, some of its constituents, and certain vehicle components,
contain or emit chemicals known to the State of California to cause cancer
and birth defects or other reproductive harm.
1. Introduction
This manual provides information and procedures to safely operate and maintain the model.
For your own safety and protection from injury, carefully read, understand and observe the
safety instructions described in this manual.
Keep this manual or a copy of it with the machine. If you lose this manual or need an
additional copy, please contact our Corporation. This machine is built with user safety in
mind; however, it can present hazards if improperly operated and serviced. Follow operating
instructions carefully! If you have questions about operating or servicing this equipment,
please contact our Corporation.
The information contained in this manual was based on machines in production at the time
of publication. We will reserve the right to change any portion of this information without
notice.
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2. Safety Information
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READ AND STUDY THE FOLLOWING SAFETY INFORMATION BEFORE
ATTEMPTING TO OPERATE THIS EQUIPMENT. IN ADDITION, ENSURE THAT
EVERY INDIVIDUAL WHO OPERATES OR WORKS WITH THIS EQUIPMENT IS
FAMILIAR WITH THESE SAFETY PRECAUTIONS.
IT IS THE OPERATOR'S RESPONSIBILITY TO OPERATE OUR MACHINES ONLY
WHEN WEARING THE PROPER PROTECTION RECOMMENDED BY THE
OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION. HARM OR DEATH BY
INHALING PARTICLES OR OTHER PHYSICAL INJURY MAY OCCUR IF THIS
MACHINE IS OPERATED WITHOUT USING THE PROPER SAFETY GEAR, OR
FOLLOWING THE APPROPRIATE PROCEDURES IN THIS MANUAL.
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This manual contains DANGER, WARNING, CAUTION, and NOTE callouts
which must be followed to reduce the possibility of personal injury, damage to
the equipment, or improper service.
This is the safety alert symbol. It is used to alert you to potential personal
injury hazards. Obey all safety messages that follow this symbol to avoid
possible injury or death.
DANGER indicates an imminently hazardous situation which, if not avoided,
will result in death or serious injury.
WARNING indicates a potentially hazardous situation which, if not avoided,
could result in death or serious injury.
CAUTION indicates a potentially hazardous situation which, if not avoided,
may result in minor or moderate injury.
CAUTION: Used without the safety alert symbol, CAUTION indicates a potentially
hazardous situation which, if not avoided, may result in property damage.
Note: Contains additional information important to a procedure.
2.1 Laws Pertaining to Spark Arrestors
Notice: State Health Safety Codes and Public Resources Codes specify that in certain
locations spark arresters be used on internal combustion engines that use
hydrocarbon fuels. A spark arrester is a device designed to prevent accidental
discharge of sparks or flames from the engine exhaust. Spark arresters are
qualified and rated by the United States Forest Service for this purpose.
In order to comply with local laws regarding spark arresters, consult the engine distributor
or the local Health and Safety Administrator.
2.2 Operating Safety
WARNING: Familiarity and proper training are required for the safe operation
of equipment. Equipment operated improperly or by untrained personnel can
be dangerous. Read the operating instructions contained in both this manual
and the engine manual and familiarize yourself with the location and proper
use of all controls. Inexperienced operators should receive instruction from
someone familiar with the equipment before being allowed to operate the
machine.
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2.2.1 NEVER allow anyone to operate this equipment without proper training. People
operating this equipment must be familiar with the risks and hazards associated
with it.
2.2.2 NEVER touch the engine or muffler while the engine is on or immediately after it
has been turned off. These areas get hot and may cause burns.
2.2.3 NEVER use accessories or attachments thatare not recommendedby us. Damage
to equipment and injury to the user may result.
2.2.4 NEVER leave machine running unattended.
2.2.5 NEVER operate the machine with the belt guard missing. Exposed drive belt and
pulleys create potentially dangerous hazards that can cause serious injuries.
2.2.6 NEVER operate this machine in applications for which it is not intended.
2.2.7 NEVER use the trowel around pop-ups in the concrete that are lower than the
lowest ring on the ring guard.
2.2.8 ALWAYS wear protective clothing appropriate to the job site when operating
equipment.
2.2.9 ALWAYS wear hearing and eye protection when operating this machine.
2.2.10 ALWAYS remain aware of moving parts and keep hands, feet, and loose clothing
away from the moving parts of the equipment.
2.2.11 ALWAYS read, understand, and follow procedures in the Operator’s Manual
before attempting to operate the equipment.
2.2.12 ALWAYS store the equipment properly when it is not being used. Equipment
should be stored in a clean, dry location out of the reach of children.
2.2.13 ALWAYS close fuel valve on engines equipped with one when machine is not being
operated.
2.2.14 ALWAYS operate machine with all safety devices and guards in place and in
working order. DO NOT modify or defeat safety devices. DO NOT operate machine
if any safety devices or guards are missing or inoperative.
2.2.15 ALWAYS be sure operator is familiar with proper safety precautions and operation
techniques before using machine.
2.2.16 ALWAYS test the function of the engine control module before operating the
trowel.
DO NOT operate the trowel if the engine control module is not functioning
properly.
2.3 Operator Safety while using Internal Combustion Engines
DANGER: Internal combustion engines present special hazards during
operation and fueling. Read and follow the warning instructions in the engine.
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2.3.1 DO NOT run the machine indoors or in an enclosed area such as a deep trench
unless adequate ventilation, through such items as exhaust fans or hoses, is
provided. Exhaust gas from the engine contains poisonous carbon monoxide gas;
exposure to carbon monoxide can cause loss of consciousness and may lead to
death.
2.3.2 DO NOT smoke while operating the machine.
2.3.3 DO NOT smoke when refueling the engine.
2.3.4 DO NOT refuel a hot or running engine.
2.3.5 DO NOT refuel the engine near an open flame.
2.3.6 DO NOT spill fuel when refueling the engine.
2.3.7 DO NOT run the engine near open flames.
2.3.8 ALWAYS refill the fuel tank in a well-ventilated area.
2.3.9 ALWAYS replace the fuel tank cap after refueling.
2.4 Service Safety
WARNING: Poorly maintained equipment can become a safety hazard! In
order for the equipment to operate safely and properly over a long period of
time, periodic maintenance and occasional repairs are necessary.
2.4.1 DO NOT attempt to clean or service the machine while it is running. Rotating parts
can cause severe injury.
2.4.2 DO NOT crank a flooded engine with the spark plug removedon gasoline-powered
engines. Fuel trapped in the cylinder will squirt out the spark plug opening.
2.4.3 DO NOT test for spark on gasoline-powered engines if the engine is flooded or the
smell of gasoline is present. A stray spark could ignite the fumes.
2.4.4 DO NOT use gasoline or other types of fuels or flammable solvents to clean parts,
especially in enclosed areas. Fumes from fuels and solvents can become
explosive.
2.4.5 DO NOT remove blades while the machine is hanging overhead.
2.4.6 ALWAYS support the machine securely before changing blades.
2.4.7 ALWAYS keep the area around the muffler free of debris such as leaves, paper,
cartons, etc. A hot muffler could ignite the debris and start a fire.
2.4.8 ALWAYS replace worn or damaged components with spare parts designed and
recommended by our Corporation.
2.4.9 ALWAYS disconnect the spark plug on machines equipped with gasoline engines,
before servicing, to avoid accidental start-up.
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2.4.10 ALWAYS keep the machine clean and labels legible. Replace all missing and
hard-to-read labels. Labels provide important operating instructions and warn of
dangers and hazards.
2.4.11 ALWAYS handle blades carefully. The blades can develop sharp edgeswhich can
cause serious cuts.
2.5 Decal Locations
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