PRONAR T679/3, Operator'S Manual, Page: 95 / 117

SECTION 5 PRONAR T679/3 PRONAR T679/4
5.21
5.4 CLEANING THE AIR FILTERS
Depending on trailer working conditions, but not less than once in three months, take out and
clean air filter inserts, which are located in pneumatic system connection conduits. Inserts are
used many times and are not subject to changing unless they are mechanically damaged.
FIGURE 5.12 Air filter
(1) securing slide lock, (2) air filter cover
DANGER
Before proceeding to dismantle filter, reduce pressure in supply conduit. While
disengaging filter slide gate, hold cover with other hand. Stand away from filter
cover vertical direction.
Required maintenance activities
Reduce pressure in supply conduit.
Pressure in conduit can be reduced by pressing the head of the
pneumatic connection until resistance is felt.
Remove securing slide (1).
Hold the filter cover (2) with the other hand. After removing slide lock, the
cover is pushed off by the spring located in the filter housing.