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Section 5
5.17 INSPECTION OF PNEUMATIC SYSTEM
PROCEDURE
• Hitch trailer to tractor.
• Immobilise tractor and trailer with
parking brake. Place chocks under
trailer rear wheel.
• Start tractor in order to supplement
air in trailer brake system tank.
In
2-line
pressure should be about 6.5
bar.
• Turn off tractor engine.
• Check system components by re-
leasing brake pedal in tractor.
Pay special attention to line con-
nections and brake cylinders.
• Repeat the system check with de-
pressed tractor brake pedal.
The help of a second person is
required.
In the event of the appearance of leaks,
compressed air will escape at the places
of damage, with a characteristic hiss. Lack
of system tightness may be detected by
5.22
PRONAR T700M/1
systems,
the
air
Technical inspection schedule
DANGER
Do NOT use the trailer when the brake system is out
of order.
Repair, exchange or regeneration of pneumatic sys-
tem components may only be performed in a spe-
cialised workshop.
covering elements to be checked with
washing fluid or other foaming prepara-
tions, which will not react aggressively
with the system components. Damaged
components should be replaced or re-
paired. If leaks appear at connections then
tighten the connections. If air continues to
escape, replace connection components
or seals with new ones.
During
tightness
should additionally be given to technical
condition and degree of cleanness of the
system components. Contact of pneu-
matic lines, seals etc. with oil, grease,
petrol etc. may cause damage and accel-
erate the ageing process. Bent, perma-
nently deformed, cut or worn lines should
be replaced.
inspection
attention
I.3.11.623.17.1.EN
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