Inspection Of Hydraulic Couplers And Sockets; Replacement Of Hydraulic Conduits - PRONAR T900 Operator's Manual

Pronar T900
Check hydraulic cylinders and conduits for tightness.
In oil is found on hydraulic cylinder bodies ascertain origin of leak. Inspect seals when
hydraulic cylinder is completely extended. Minimum leaks are permissible with symptoms of
"sweating", however in the event of noticing leaks in the form of "droplets" stop using the
trailer until faults are remedied. If unreliability is evident in brake cylinders, do NOT use trailer
with damaged system until faults are remedied.
Checking tightness:
5.5.3

INSPECTION OF HYDRAULIC COUPLERS AND SOCKETS:

Hydraulic couplers and sockets of the trailer and tractor must be technically reliable and kept
clean. Tractor and trailer hydraulic systems are sensitive to the presence of permanent
contamination, which may cause damage to precision system components (jamming of
hydraulic valves, scratching of cylinder surfaces etc.)
Inspection of hydraulic couplers and sockets:
5.5.4

REPLACEMENT OF HYDRAULIC CONDUITS

Rubber hydraulic conduits must be replaced every 4 years regardless of their technical
condition. This should be done in specialised workshops.
Replacement of hydraulic conduits:
If the trailer is equipped with the side hinged wall.
• after the first week of use,
• every 12 months of use.
• each time before hitching trailer to tractor.
• every 4 years.
5.24
SECTION 5