3-10 BA 3001 En – Edition 2.0 * * 345001b320.fm
Operation
Telltales and warning lights: overview
45 Telltale (red) – hydraulic oil filter
Indicates inadmissibly high pressure in the hydraulic reflux line to the tank. In this case:
☞ Have the hydraulic oil reflux filter checked and, if necessary, replaced by an authorised
workshop
☞ The telltale can come on briefly if the hydraulic oil is cold, but goes out again once
operating temperature is reached.
47 Telltale (red) – alternator charge function
The coolant pump no longer runs if the V-belt is faulty. Danger of engine
overheating or breakdown!
If telltale comes on with the engine running:
☞ Switch off the engine immediately and
☞ Have the cause repaired by an authorised workshop
The V-belt or the charging circuit of the alternator is faulty if the telltale comes on with the
engine running. The battery is no longer charged.
49 Telltale (red) – engine oil pressure
Comes on if the engine oil pressure is too low. In this case:
☞ Stop the machine
☞ Switch off the engine immediately and check the oil level
The telltale comes on when the ignition is turned on and goes out as soon as the engine
runs.
50 Telltale (red) – coolant temperature
Never open the radiator and never drain coolant if the engine is warm since the
cooling system is under high pressure –
Danger of burns!
☞ Wait at least 10 minutes after switching off the engine!
☞ Wear protective gloves and clothing
☞ Open the cap to the first notch and release the pressure
44 Preheating telltale (yellow)
Comes on if the key in the preheating start switch is in position 2.
A glow plug preheats the air in the combustion chamber of the engine when the key is in
this position.
The telltale goes out as soon as preheating temperature is reached (15 – 20 sec)
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