5 Maintenance
5-13
5.11 Tensioning and changing of drive belts(s)
This section outlines the procedure for tensioning and/or chang-
ing the V-belt.
The belt can be set to the optimum tension using the adjust-
mentscrews on the air end block.
Fig. Tighten drive belt
The optimum capacity of the system and service life of the
V-belt is guaranteed only if the belt is correctly tensioned.
Please check the setting before start up and after 100 oper-
ating hours, as well as according to the information in the
maintenance plan.
For replacing or re-tensioning the V-belt, please proceed as
follows:
Step
Operation
1
Switch off the unit, disconnect it from the power sup-
ply, and take measures to prevent it from being re-
started.
2
Loosen the air end screws.(1)
3
Turn the adjustment screw (2) (in a clockwise direc-
tion) until the optimum tension is reached.
4
Tighten the screws on the air end again.
5
The correct pre-tensioning value can be obtained
from the data sheet.
6
Using a pre-tensioning test device (e.g.
optibelt
Optikrik) you can review the values
Content
General points
Tighten
drive belt
2
1
