Komatsu — 4.6.2. Engine

Troubleshooting 4.6. Other troubles ENGINE (continued) Fault Fault cause Remedy Wrong fuel Use prescribed fuel Allow engine to cool down Unusual combustion noise Engine temperature too high (engine overheated) See "Engine - temperature display coolant" Unusual mechanical noise Defective silencer *) Replace silencer Tappet clearance too wide *) Adjust tappet clearance The motor does not start or goes out during operation and the background of the fuel display lights up in red. Fuel tank empty Refill fuel and bleed fuel system Warning light air filter:

warning light air filter is on when engine is running Air filter of filter insert dirty Clean or replace filter insert of air filter *) Have this work performed by local dealer. WA90-5 – VEAM270100 4-13