Operation Manual Menzi Muck A91 Page 221
Faults and fault rectification
Impaired performance. Engine overload. Reduce load.
Air intake clogged. Repair air filter.
Fuel filter clogged. Replace filter inserts.
Incorrect fuel type. Use the correct fuel type.
Engine overheated. See "engine overheated"
Engine temperature below normal. Remove thermostat and check.
Incorrect valve play. Contact approved workshop or engine dealer
Injection nozzles clogged or damaged. Contact approved workshop or engine dealer
Incorrect injection pump setting. Contact approved workshop or engine dealer
Problems with electronic fuel system. Contact approved workshop or engine dealer
Turbocharger inoperable. Contact approved workshop or engine dealer
Exhaust manifold seal not right. Contact approved workshop or engine dealer
Fuel hose blocked. Clean or replace fuel hose
Top running speed too low. Engine cold. Run engine to normal operating temperature.
Emergency gas active. Deactivate emergency gas.
Oil pressure low. Oil level low. Top up oil.
Incorrect engine oil. Drain crankcase and fill with the correct viscosity and quality
of oil.
High oil consumption. Incorrect viscosity of engine oil used. Use the correct viscosity of oil.
Oil leak present. Check for leaks in the lines, seals and drain plugs.
Crankcase vent pipe clogged. Clean vent pipe.
Turbocharger defective. Contact approved workshop or engine dealer
Incorrect fuel type. Use the correct fuel
Engine emits white smoke. Engine temperature low. Run engine to normal operating temperature.
Thermostat defective. Remove thermostat and check.
Electronic fuel injection nozzles defective. Contact approved workshop or engine dealer
Water in the fuel. Drain filter and replace.
Cylinder head seal defective. Replace cylinder head seal.
Motor emits black or grey
smoke.
Engine overload. Reduce load.
Coolant level below minimum. Fill radiator to correct level, check radiator and hoses for loose
connections and leaks.
Radiator clogged. Clean radiator.
Radiator fan turns too slow Check speed and if too low disconnect electric cable from the
fan control (full speed).
Ribbed V-belt stretched, torn or belt tensioner
defective.
Check automatic belt tensioner and examine stretched belt.
Replace if necessary .
Engine oil level below minimum. Check oil level. Top up oil as required.