North Star 163cc, Owner'S Manual

Page: 30 / 33

Page 30 of 33
Troubleshooting
To avoid risk of severe injury, turn off the engine and allow it to cool before performing any
maintenance, cleaning, or inspection.
Check the list below before addressing the problems to servicing personnel including local dealer. If th
e problem continues after the following troubleshooting, call your local dealer for future assistance.
Problem Possible Cause Solution
Trowel does not develop its full
speed (poor performance)

Engine throttle control does
not completely open

Open the engine throttle
control completely

Throttle control does not
adjusted correctly

Adjust the throttle control
correctly

The cement is too wet for
finishing

Dry the cement before
operation

Drive belt is loosened up or
warn out, slipping on pulleys

Adjust/replace the belt. or
check whether the engine
mounting bolts are
tightened

Warm gear binding

Check grease and wear of
gear. Add /change grease.

Automatic clutch/ pulley are
loosened up.

Check status of contact.
Add lubricant or replace the
clutch

Air filter clogged with dust,
reducing engine
performance

Clean/replace the air filter


Engine speed is too low

Check engine speed with
tachometer. Adjust/repair
engine to run at correct
speed.

Note: Refer to engine
manual.
Engine running, but no blade
rotation

Engine throttle is not
opened

Drive belt is loosened or
broken. Adjust/replace it

Clutch damage

Inspect / replace clutch

Engine speed is too low

Check and adjust engine
speed

Too much oil in exciter

Adjust the oil level in exciter
correctly
Trowel jumps or works
unevenly.

Cement surface is too hard

Wet cement (if possible)

V-belt is loose or worn out

Adjust/replace the V-belt