Holder 4.74 Maintenance every 3000 hours, Check the injection nozzles, Change the toothed belt

C 4.74

Operating instructions

Maintenance every 3000 hours

Check the injection nozzles

ATTENTION

This work may only be carried out by an au- thorized workshop.

-Clean the injection nozzles.

-Check the injection nozzles with a test pressure of 250 +8 bar.

Change the toothed belt

Change every 3000 hours or 5 years maximum.

See maintenance instructions of the engine manufacturer.

ATTENTION

This work may only be carried out by an au- thorized workshop.

-Remove the left-hand cover of the toothed belt drive.

-Check the toothed belt for cracks over its entire length.

-Replace damaged toothed belts.

NOTE

When replacing the toothed belt, also replace the idler pulley.

149 443 187