PRONAR T663/1, Operator'S Manual, Page: 110 / 135

Pronar T663/1 T663/1 SILO SECTION 5
5.16
repaired. If leaks appear at connections then tighten the connections. If air continues to
escape, replace connection components or seals with new ones.
Visual inspection of the system
During tightness inspection attention should additionally be given to technical condition and
degree of cleanness of the system components. Contact of pneumatic conduit seals etc. with
oil, grease, petrol etc. may cause damage and accelerate the ageing process. Bent,
permanently deformed, cut or worn conduits should be replaced.
Visual inspection of the system
•
Conduct inspection of system at the same time as when checking tightness.
ATTENTION
Repair, exchange or regeneration of pneumatic system components may only be
performed in a specialised workshop.
5.3.3 CLEANING THE AIR FILTERS
Depending on trailer working conditions, but not less than once in three months, take out and
clean air filter elements, which are located in pneumatic system connection conduits. Filter
elements are used many times and are not subject to change unless they are mechanically
damaged.
DANGER
Before proceeding to dismantle filter, reduce pressure in supply conduit. While
dismounting the filter slide gate, hold the cover with the other hand. Stand away from filter
cover vertical direction.
Scope of 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.