Operation

Menzi Muck A61
19 Faults and fault rectification
19.1 Trouble shooting on the engine
Fault cause Abhilfe
engine turns over, but will
not start.
engine difficult to start or
will not start.
Seite 0 – Betriebsanleitung
No fuel. Check fuel in tank.
Exhaust blocked. Clear exhaust clogging.
Fuel filter clogged or full of water. Replace fuel filter or drain off water from the filter.
Fuel not reaching the injection pump or air
in the fuel system.
Check fuel flow at feed pump or bleed fuel system.
Injection pump or nozzles damaged. Have repair or replacement carried out by approved
workshop.
No fuel. Check fuel.
Hydraulic system runs up block. Switch off hydraulic consumers.
Air in fuel line. Vent fuel line.
Cold starter defective. Check pre-glow relay and coil.
Low starter motor speed. See „Starter motor is slow to turn over“.
Incorrect viscosity of engine oil used. Use the correct viscosity of oil.
Incorrect fuel type. Contact fuel supplier, use correct fuel type for operating
conditions.
Water, dirt or air in the fuel system. Drain, flush, fill and bleed system.
Fuel filter clogged. Replace filter insert.
Electronic fuel injection nozzles clogged or
damaged.
Have injection nozzles checked by approved workshop or
engine dealer.
Motor knocks. Engine oil level below minimum. Top up engine crankshaft oil.
engine runs erratically or
stalls frequently.
engine temperature below
normal.
Low coolant temperature. Remove thermostat and check.
Engine overheated. See „Engine overheats“.
Engine cold. Incorrect or defective thermostat. Remove thermostat and
check.
Low coolant temperature. Remove thermostat and check.
Fuel filter clogged. Replace fuel filter insert.
Water, dirt or air in the fuel system. Drain, flush, fill and bleed system.
Injection nozzles clogged or damaged. Have injection nozzles checked by approved workshop or
engine dealer.
Thermostat defective. Remove thermostat and check.
Temperature display or sensor defector. Check display, sensor and connections.