Holder 4.74 manual Periodic maintenance Maintenance every 125 hours, Check the cooling system

C 4.74

Operating instructions

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

2 1 Bild_C245

-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.

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