Concrete Finisher Manual (Version 1)
15
Trouble Shooting
Problems
Possible Causes
Countermeasures
Engine stops suddenly
or does not run.
a. No fuel.
b. Engine is switched off.
c. Spark plug is fouled.
d. Engine is cold.
e. Engine is flooded.
a. Open fuel cap, fill fuel tank.
b. Switch engine on.
c. Clean & reset plug gap.
d. Close choke.
e. Open choke, fully open throttle,
pull recoil starter until engine
fires.
Centri-safety switch wire
disconnected.
Reconnect wire.
Concrete finisher is
powerless or unstable.
a. Insufficient oil in gearbox.
b. Rotation speed of engine is
too slow.
c. Speed output of engine is
too slow.
d. Too much cement/concrete
accumulated on concrete
finisher.
e. V-belt is loose.
a. Add oil to the recommended
level.
b. Keep speed high.
c. Clean air filter.
d. Remove cement/concrete on
concrete finisher.
e. Retighten V-belt.
Machine
engine runs but
machine does not.
a. Presence of water in the
clutch.
b. Speed output of engine is
slow.
c. Engine is overloaded.
a. Dismantle and dry clutch.
b. Clean air filter. (Refer to Engine
User Manual)
c. Check all parts like gears and
springs.
Leaving swirls in
concrete, rolling
concrete, bouncing.
Main shaft
When the machine has a rolling
motion, check the main shaft of the
gearbox.
Spider plate
Check spider plate for bent
concrete finisher arms. If one is
bent, replace it.
Blades
a. Check the adjustment on
concrete finisher arms at
adjustment lever, and ensure
all concrete finisher arms are
adjusted equally.
b. Blades should be of the same
measurement/dimension and
designed to fit the machine.
c. Excessively worn blades
should not be used.
