Troubleshootting Guide - Cembre NR-11P Operation And Maintenance Manual

7. TROUBLESHOOTING GUIDE
SYMPTOM
- Engine diffi cult to start:
- Engine stops while
in use:
- Overheating with
possible seizure of
engine:
- Too much exhaust
smoke:
- Oil leak from gear/reduc-
tion gear unit:
- Noticable drop in impact
force:
- Limited tightening
torque:
- Impossible to select
gear:
- Engine started but
square shaft not
turning:
13
CAUSE
Switch (14) in "STOP" position.
No fuel.
Switch (14) in wrong position
Fuel fi lter clogged.
Air fi lter clogged.
Spark plug dirty from combustion
residue
Bad fuel mixture.
No fuel.
Bad fuel mixture.
Switch (14) in wrong position.
Insuffi cient oil in fuel mixture.
Cooling fan blocked.
Too much oil in fuel mixture.
Screws loose.
Striker or anvil worn.
Clutch worn.
Selector (13) in wrong position.
Engine speed too high.
Engine speed too low.
Selector (12) in "N" position.
REMEDY
Move switch to "START" position.
Add fuel to tank.
Check switch position (see § 5)
Clean and if necessary replace (see § 6.1.3).
Clean and if necessary replace (see § 6.1.1).
Clean and if necessary replace (see § 6.1.2).
Check to see if there is a spark.
Prepare fuel mixture correctly (see § 4).
Add fuel to tank.
Prepare fuel mixture correctly (see § 4).
Check switch position (see § 5).
Prepare mixture with more oil.
Check fans.
Check engine for seizure (see § 9).
Prepare mixture with less oil.
Clean spark plug, if necessary (see § 6.1.2)
Tighten the lock nuts.
Check for wear (see § 6.2.1)
Replace clutch.
Increase the torque using the selector (see § 3.3)
Set engine to minimum turnover and if necessary
adjust revs (see § 5.2).
Use accelerator (see § 3.1).
Use selector (see § 3.4).
ENGLISH