Holder C-Trac 4.74 - Manual (Page 168)

Operating instructions
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C 4.74
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Periodic maintenance
Maintenance every 125 hours
ATTENTION
Carry out the checks and services only with
the engine turned off.
Check the cooling system
- Inspect the cooling fins and oil cooler for the accumu-
lation of dirt.
Clean the cooling system
Clean with compressed air
- Raise the dump body (loading platform*) and secure
it against accidental lowering.
- Remove the left and right side panels.
- Remove the cover plate (1) at the right-hand side of
the engine.
- Blow dirt out of the engine compartment taking special care
on the radiator and radiator fins (start from the exhaust air
side). Remove any dirt blown into the engine compartment.
- Clean the hydraulic oil cooler (2) in the same way.
Clean with cold cleaner or pressure washer
ATTENTION
Max. spray pressure is 60 bar. Steam tem-
perature is 60°C
- Preparations as described above.
- Spray the oil cooler and engine with a cold cleaner
and allow it to soak in for 10 minutes.
- Clean the oil cooler and engine with a strong water jet.
ATTENTION
Do not aim the water jet directly at sensitive
parts such as the alternator. Cover them if
necessary.
- Run the engine warm to evaporate any water residues.