Trouble shooting table
11
Fault
Remedy
(This column is filled in only if the
”probable cause” gives no clue as
to what must be done).
Probable cause
Engine speed variations
during operation
D Too little fuel in fuel tank
D Air in fuel system
D Fuel lines leaky
D Fuel high-pressure part leaky
D Injection nozzles defective, worn
D Speed governor defective D Remedy by Bosch Service
Engine cannot be
stopped
D Cut-off linkage bent or jammed
D Cut-off solenoid without voltage
D Injection pump set incorrectly or
defective
D Remedy by Bosch Service
Performance unsatis-
factory, max. boat
speed is not reached
D Engine speed adjusting lever not in
full-load position
D Incrustation of hull, shaft system and
propeller with foreign matter
D Propeller consumes too much power,
nominal speed is not reached
D Propeller consumes too much power,
engine runs in the breakaway range
D Flow of water on to the propeller insuffi-
cient
D Fuel temperature too high
D Unsuitable, contaminated fuel
D Fuel filter clogged
D Air in fuel system
D Lack of fuel
D Temperature in engine room too high,
combustion air and fuel too hot
D Supply of combustion air insufficient,
intake vacuum too high
D Charge-air pipes leaky
D Intercooler contaminated
D Turbocharger contaminated or defective
D Compression insufficient
D Injection pump and / or governor
defective
D Route the ship-mounted fuel
lines well apart from the hot en-
gine parts.
D See ”Fuels, Lubricants ...”
D Check fuel lines and delivery
pump
D Check inward and outward ven-
tilation
D Check intake air supply to air
filters
D Remedy by Bosch Service
To Next Page
Loading...
Need help?
General
