Possible Failures In The Pneumatic System And Instructions For Their Troubleshooting - Belarus 922.6 Operator's Manual

6.7 Possible failures in the pneumatic system and instructions for their trou-
bleshooting
The list of possible failures in the pneumatic system and instructions for their trouble-
shooting are shown in Table 6.7.1.
Table 6.7.1
Failure,
external manifestation, cause
Air leakage from the pneumatic
system for the following reasons:
- undertightened or damaged pipe-
line nuts, fitting nuts, and coupling
clamps
- damaged rubber sealing of the
coupling head
- the coupling head O-ring nut
torque is loose
- dirt ingress under the coupling
head valve
- contact of the dust cover with the
coupling head valve plug
- faulty adjustment of brake valve
drive
- improper operation of pressure
regulator
- filter for pressure regulator is
clogged
- faulty pneumatic compressor
Faulty pneumatic compressor
Rapid decrease of pressure in the balloon when the engine is stopped
Air leakage through
members of the pneumatic system
Rapid decrease of pressure in the balloon when break pedal is depressed
Faulty break valve
Increased oil slobbering into the pneumatic system by the pneumatic compressor
Faulty pneumatic compressor
Faulty location of the pressure
regulator adjusting cap
Faulty pneumatic compressor
Slow increase of pressure in the balloon
Detect leakages and eliminate them by tightening
junctions or replacing damaged parts
Replace the damaged sealing
Screw up the nut
Clean
Eliminate
Adjust the brake valve drive
Dismount pressure regulator from the tractor and
send it to a repair workshop
Rinse the pressure regulator
Contact your dealer
Slow pressure rise in the balloon
Contact your dealer
coupling Stop the leakage
Replace the break valve
Contact your dealer
Insufficient air pressure in the balloon
Adjust the pressure regulator
Contact your dealer
Troubleshooting
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922.6-0000010 OM