Dynapac CC1000, Instruction Manual

Page: 88 / 116

Maintenance - 50h
4812160801_D.pdf 2018-12-17
Rubber elements and fastening screws - Check
Figure. Drum suspension
1. Rubber element
2. Fastening screws
1
2
Check all the rubber elements (1), and replace all the
elements if more than 20% of them on one side of the
drum are cracked deeper than 10-15 mm.
Use a the blade of a knife or pointed object to check.
Check also that the screw fasteners (2) are tightened.
The screws on the rubber elements are sealed
with Loctite. Check the rubber elements on both
sides of the roller. The screws on the rubber elements are sealed
with Loctite. Check the rubber elements on both
sides of the roller.
Belt tension on the hydraulic pump drive belt -
Check
Fig. Engine compartment
1. Screw
2. Screw
1
2
If the hydraulic pump drive belt can be pressed in 5-6
mm between the pulleys with a force of 50 Nm, then
the belt is correctly tensioned.
Do as follows to tension the belt:
- Undo the screws (1) and (2).
- Press over the hydraulic pump so that the belt
tensions to the specified extent.
- Tighten screw (1) and then screw (2).
- Check that the belt still has the correct tension after
tightening.
Replace the belt when necessary, or after 2000 h.
80