Engine Problems - Bomag BPR 45/55 D Operating Instructions Manual

Trouble shooting

7.4 Engine problems

Fault Possible cause
Engine does not Throttle lever in stop or idle speed posi-
start or does not tion.
start immediate-
No fuel at the injection pump.
ly, but can be
cranked with the
starter motor
Insufficient compression
- incorrect valve clearance
- Wear on cylinder or piston rings
Injection nozzle out of order
Additionally on No oil pressure
engines with
mechanical oil
pressure moni-
toring
With low tem- Temperature below starting limit.
peratures
Fuel gelled because of insufficient cold
compatibility.
Starter speed too low:
- Oil with too high viscosity
- Insufficiently charged battery
The starter is not Fault in the electric system:
switched on or - Fuse defective
the engine does
- Battery or other cable connections not
not crank
correctly connected.
- Cable terminals loose or oxidised
- Battery defective or not charged
- Starter defective
- Insufficiently charged battery
64
Remedy
Set the lever to "Start" position.
Fill in fuel
Check the entire fuel system systemati-
cally.
Check, adjust the valve clearance.
Have examined by a specialist.
Have examined by a specialist.
Check the oil level.
Activate mechanical oil pressure monitor-
ing
Observe cold start instructions.
Pull the fuel hose off the fuel lift pump and
check whether fuel runs out of the fuel
pump clear and without gel.
In case of gelled fuel you should either
warm the engine up or drain the complete
fuel supply system.
Fill with a temperature resistant fuel mix-
ture.
Replace engine oil with oil of correct vis-
cosity
Check the battery, if necessary consult a
specialist workshop
Check electric equipment and related
components or consult the our customer
service.
BOMAG BPR 45/55 D, BPR 55/65 D