PRONAR T700M/1, Перевод оригинальной инструкции

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Section 6 Maintenance
6.14 PRONAR T700M/1
6.7 TROUBLESHOOTING
Table 6.2 Troubleshooting
FAULT CAUSE REMEDY
Problem with mov-
ing off
Brake system lines discon-
nected Connect brake lines (applies to pneumatic
systems)
Applied parking brake Release parking brake.
Damaged pneumatic sys-
tem connection lines
Replace.
Leaking connections
Tighten, replace washers or seal sets,
replace lines.
Control valve or braking
force regulator damaged
Check valve, repair or replace.
Noise in axle hubs
Excessive bearing slack-
ness
Check slackness and adjust if needed
Damaged bearings Replace bearings
Damaged hub parts Replace
Poor reliability of
braking system Insufficient pressure in the
system
Check pressure on tractor pressure
gauge, wait till compressor fills tank to
required pressure.
Damaged air compressor in tractor Repair
or replace.
Damaged brake valve in tractor. Repair or
replace.
Leaking system lines or connections.
Check system for tightness.
Excessive heating
of axle hubs
Incorrect main or parking
brake adjustment
Regulate positions of expander arms
Worn brake linings Change brake shoes
Incorrect hydraulic
system operation Improper hydraulic oil vis-
cosity
Check oil quality, make sure that the oil in
both machines is of the same type. If nec-
essary change oil in tractor or in trailer.