Bosch BULLS 650-185, Operating Instructions Manual

Page: 179 / 238

178
Maintenance
8 Carefully re-insert dry felt ring with one end in
the designated groove.
9 Unfurl felt ring within the outer sleeve, so that
it lies on the groove.
10 Carefully press felt ring into the groove by
hand. Ensure that both ends are fully pressed
in and meet and that they do not overlap and
are not twisted.
Figure 162: Inserting the felt ring
11 Insert cleaned or new wiper in the upper
groove.
12 Stretch spring washer over the wiper.
Figure 163: inserting and fastening the wiper
Cleaning the slide bushing
1 Clean the slide bushing tube with a damp cloth.
Figure 164: Cleaning the slide bushing tube
Increasing the air pressure
1 Use 3 mm hex spanner to unscrew valve cap.
Figure 165: Unscrewing the valve cap
2 Screw valve adapter into mounting interface
from below.
Figure 166: Screwing the valve adapter in
3 Use compression pump to pump the cartridge
up to 24 bar.
Figure 167: Pumping the cartridge up
4 Unscrew pump and valve adapter.
Notice
 Do not squash. The slide bushing tube wall is
very thin.
Notice
Screwing in the valve adapter will not open the
valve. No pressure is displayed. The pressure is
displayed when you start pumping.