PRONAR T740, Руководство пользователя

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5.45
FAULT CAUSE REMEDY
brake force regulator
Excessive slack in bearings
Check slack and regulate if
needed
Noise in axle hubs
Damaged bearing Replace bearing
Incorrect main or parking
brake regulation
Regulate setting of expander arms
Excessive heating of axle
hubs
Worn brake linings Change brake shoes
Improper hydraulic oil
viscosity
Check oil quality, make sure that
the oil in both machines is at the
same type. If necessary change
oil in tractor or in trailer
Insufficient tractor hydraulic
pump output, tractor's
hydraulic pump damaged.
Check tractor's hydraulic pump.
Damaged or contaminated
ram cylinder
Check cylinder ram piston
(bending, corrosion), check ram
cylinder for tightness (piston seal),
in case of need repair or replace
ram cylinder.
Excessive cylinder ram
loading
Check mechanism controlled by
ram cylinder for mechanical
damage
Incorrect hydraulic
system operation
Damaged hydraulic
conduits
Check and ascertain that hydraulic
conduits are tight, not fractured
and properly tightened. If
necessary replace or tighten.
Jerking, uneven trailer
braking.
Damaged or unconnected
brake system supply
conduit Check conduit, check connection
socket. Repair, change or connect
conduit.
Worn out abrasive ring Install a new abrasive ring Hydraulic clutch does not
transfer required torque.
Grease on abrasive surface
Grease contaminated surface of
steel or cast iron may be washed
with benzene or acetone.
Change abrasive ring.