112
MAINTENANCE
Engine Troubleshooting
Engine
–
does not switch on or switching on is difficult (no fumes at exhaust)
Cause
Solution
No fuel in tank
Refuel.
Ignition switch defective
Check the opening and closing of the electric connection.
Fuel filter clogged
Bleed the water separator or replace the filter.
Fuel priming pump defective
Check to make sure the pump provides the flow rate suitable
for the high pressure pump. Check the electrical connections.
Air in the fuel
Check the absence of air returning to the circuit
Fuel dirty or non conforming
SWITCH THE ENGINE OFF.
Replace the fuel filters.
Run the engine with correct fuel.
Suction or discharge system obstructed
Visually inspect the suction and discharge, and remove any
obstructions present. Replace the air filter if necessary
Fuel return line blocked
Check to make sure the line is clear and connected to the
upper part of the tank
Fault in one or more injectors
Check the electrical connections.
ECU or sensors fault
Check the electrical connections.
Engine
–
Does not rotate when started up or moves slowly
Cause
Solution
Electric circuit elements loose or worn
Clean and carry out the necessary maintenance
Battery flat
Check the voltage using a multimeter.
Check the working of the alternator.
Solenoid or starter motor fault
Replace the starter motor
Starter motor working but the engine does not
rotate
Remove the starter motor and check the state of the gears
and spring
Summary of Contents for RTH 4.18
Page 6: ......
Page 27: ...SECTION ON PRODUCT INFORMATION 27 DIMENSIONS RTH 4 18 RTH 5 18 ...
Page 28: ...28 SECTION ON PRODUCT INFORMATION RTH 5 21 RTH 5 23 ...
Page 29: ...SECTION ON PRODUCT INFORMATION 29 RTH 5 25 RTH 6 21 ...
Page 30: ...30 SECTION ON PRODUCT INFORMATION RTH 6 23 RTH 6 25 ...
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