BA 35101/02/ 03 EN – Edition 1.0 * 35201_02b410.fm 4-1
Troubleshooting
4 Troubleshooting
The information given in this chapter is provided for maintenance staff, for fast and reliable
detection of malfunctions and their appropriate repair.
Repairs must be carried out by authorised staff.
4.1 Engine trouble
Engine trouble Possible causes
See
page
Engine does not start or is not easy to start
Parking brake not applied 3-36
Drive lever not in neutral 3-37
Engine starting temperature too low –
Wrong SAE grade of engine lubrication oil 5-43
Fuel grade does not comply with specifications 5-4
Bleed the fuel system 5-4
Defective or flat battery 5-31
Loose or oxidised cable connections in starter circuit –
Defective starter, or pinion does not engage –
Wrong valve clearance –
Defective fuel injector –
Engine starts, but does not run smoothly or faultless
Fuel grade does not comply with specifications 5-4
Bleed the fuel system 5-4
Wrong valve clearance –
Injection line leaks –
Defective fuel injector –
Engine overheats. Temperature warning system
responds
Oil level too low 5-5
Oil level too high 5-5
Dirty air filter 5-12
Defective air filter maintenance switch or gauge 5-12
Dirty oil radiator fins –
Defective fan, torn or loose V-belt 5-13
Resistance in cooling system too high, flow capacity too low –
Defective fuel injector –
Troubleshooting
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