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6.3 Engine faults
Faults
Possible cause
Engine does not
Engine start button not pressed and/or too
start or poor
long waiting time
starting
Fuel supply not correct Fuel tank empty
Incorrect valve clearance
Fuel filter clogged (can be noticed if no
fuel runs after pulling the fuel line off).
Charge level of battery too low
Engine hard to
Oil of too high viscosity
crank
Engine has no
No valve clearance
compression
Black exhaust
Air filter clogged
fumes The en-
Valve clearance not correct
gine power may
also be low
Injection nozzle defective
(speed drops)
This is not
Too much oil in the crankcase
caused by the
injection pump
The throttle lever does not stay in the cho-
Poor engine
power (engine
sen position.
speed drops)
No exhaust
Air in the injection system
fumes
Fuel filter dirty
Engine over-
Cooling air flow restricted
heating
Injection system not working correctly
Too much oil in the crankcase
BPR 35/40 D BPR 35/60 D
Remedy
Press the start button and start within 10
seconds.
Fill in fuel
Check the valve clearance, adjust it if nec-
essary.
Change the fuel filter, fill in fuel
Charge the battery
Drain the oil and fill in oil with lower vis-
cosity
Check and adjust the valve clearance
Clean the air filter
Adjust the valve clearance
Change the injection nozzle
Drain the oil down to the 'Max'-mark on
the dipstick
Tighten the nuts
Check the function of the bleeding valve
Change the fuel filter
Clean the cooling air inlet Clean the cool-
ing fins
Have the injection system examined
Drain the oil down to the 'Max'-mark on
the dipstick
B O M A G
T r o u b l e s h o o t i n g
6 5
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