HUMMEL
®
01.01.2019
English / Englisch
MAINTENANCE WORK AND REPLACEMENT OF WEARING PARTS
6
If readjustment of the tensioning roller is necessary, release
the lock nut at the drive unit (fig. 80, 1) and adjust the
tensioning roller with the screw (fig. 80, 2):
A
Rotation
clockwise
:
sanding belt runs
to the front
B
Rotation
counterclockwise
:
sanding belt runs
to the back
7
If the sanding belt tracking is seen to be correct after
adjusting once, tighten the lock nut again (fig. 80, 3).
CAUTION!
RISK OF INJURY and RISK OF PROPERTY DAMAGE from
rotating parts of the machine:
If the lock nut at the upper part of the drive unit is not
tightened, it will loosen during operation of the machine and
falls on rotating parts!
ATTENTION!
If the lock nut at the upper part of the drive unit is not
tightened, the tensioning roller can move out of place! This
cause negative effects to the sanding result!
8
If the sanding belt tracking is seen to be not correct after
adjusting once, repeat the process.
9
After successful setting of the sanding belt tracking mount
the side cover (fig. 79).
7
Fig. 80
Adjust the sanding belt tracking at the setting
screw of the drive unit (see description on the
right).
44