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10
MAINTENANCE
3.5 Air Cleaner
Maintaining a clean engine will extend engine life. Keep air filter clean at all times. Clean air filter
using the recommended solvent daily. See engine manual for proper cleaning procedure. Let the
filter dry before reinstalling.
NEVER use gasoline or other types of low flash point solvents for cleaning the air
cleaner. A fire or explosion could result.
3.6 Troubleshooting
SYMPTOM
POSSIBLE CAUSES
SOLUTION
Engine does not start.
Engine problem.
Consult engine manufacturer
’
s
service manual.
Operator is over-steering.
The movement of each gearbox is
controlled by
“
stops
”
to provide the
correct relationship of the control
arm movement to machine
movement. Excessive pressure on
control arms in any direction will
not increase reaction time and can
damage steering controls causing
machine to wobble.
Trowel arm(s) bent.
Replace trowel arms(s).
Trowel blade(s) bent.
Replace trowel blade(s).
Machine out of
balance; wobbling
excessively.
Main shaft(s) bent due to
machine being dropped.
Replace main shaft(s).
Drive belt broken.
Replace drive belt.
Vacuum between bottom of
blades and surface of
concrete.
Change pitch on blades to break
suction.
Machine does not
move.
Key sheared in the main
shaft.
Replace damaged key.
Trowel blades have
become misaligned and
are contacting each other
during rotation.
Replace damaged blades. Align
blades so that one set
represents a (+) and the other an
(x) when viewed from above.
Sheared key.
Check all keys in drive system.
Trowel noisy.
Loose clutch.
Tighten clutch.
!
WARNING