Trouble shooting
BOMAG
59
BT 60/4, BT 65/4
7.2
Engine problems
Fault
Possible cause
Remedy
Engine does not start
Fuel tank empty
Check the fuel level, top up if neces-
sary.
Fuel system clogged
Clean the fuel screen in the tank
Replacing the fuel filter
Clean the fuel screen in the carburettor
Fuel nozzle clogged
Clean the fuel nozzle
No ignition spark
Clean the spark plug, replace if neces-
sary
Engine oil level too low
Check the engine oil level, correct if
necessary
Set the engine stop switch to
position "OFF"
Set the engine stop switch to position
"ON"
Engine stop switch defective
Replace the engine stop switch
No fuel in carburettor
Check the fuel supply
Engine does not crank when
operating the recoil starter
Recoil starter defective
Replace the recoil starter
Spring broken
Replace the recoil starter
Starter rope of recoil starter
does not return to initial posi-
tion
Recoil starter dirty
Clean the recoil starter
Spring broken
Replace the recoil starter
Engine stops frequently in
short intervals
Fuel system clogged
Clean the fuel screen in the tank
Replacing the fuel filter
Clean the fuel screen in the carburettor
Engine does not run with full
speed
Throttle cable defective
Replacing the throttle cable
Throttle cable incorrectly adjust-
ed
Adjust the throttle cable
Air filter clogged
Clean the air filter, replace if necessary
Too high engine oil level
Check the engine oil level, if necessary
drain off engine oil to the "MAX" mark
(Clean the air intake manifold)
Exhaust blocked
Clean the exhaust
Engine defective
Have examined by a specialist
Carburettor defective
Have examined by a specialist
Engine runs with high speed,
but no vibration
Centrifugal clutch defective
Replacing the centrifugal clutch
Mechanical defect
Have repaired by our customer service.
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