HUMMEL
®
01.01.2019
English / Englisch
Fig. 87
Release the drum nut
clockwise (left-hand
thread)
, if necessary by knocking gently with a
soft hammer.
Never use a steel hammer!
Fig. 88
Turn the sanding drum in such a way that the
groove is pointing upwards to ensure that the
parallel key is not lost.
Fig. 89
If the sanding drum is too stiff to be removed,
carefully lever it away with a lath.
Never use brute force!
MAINTENANCE WORK AND REPLACEMENT OF WEARING PARTS
5
Remove the sanding belt from the tensioning roller and the
sanding drum.
6
Tilt the machine backwards over the safety guards (fig. 81).
Ensure that the machine is standing securely!
7
Open the drum nut by turning the box wrench (see tool kit)
clockwise (left-hand thread
) and unscrew the drum nut
(fig. 87)!
If necessary, take a soft hammer to help you loosen the nut.
Never use a steel hammer!
8
Turn the sanding drum in such a way that the groove is
pointing upwards to ensure that the parallel key is not lost
(fig. 88).
9
Now pull the sanding drum out sideways out of the housing.
If the sanding drum is too stiff to move, use a lath (fig. 89) to
dislodge it, so as not to damage the machine! Never attempt
to loosen the sanding drum by hitting with a hammer!
10
Clean the shaft stump and oil it slightly.
11
Push on the new sanding drum.
Pay attention to the parallel
key!
12
Fit the drum nut and observe the following:
- the drum nut must be turned
counterclockwise
(left-hand
thread)
- the side of the drum nut
with thread undercut
(= side
without internal thread) must be in contact
with the
sanding drum
.
ATTENTION!
If the drum nut is mounted incorrectly, the sanding drum
cannot be fastened and remains moveable on the sanding
shaft!
13
Perform the remaining assembly steps in reverse order.
7
47
