Pronar T285/1
SECTION 5
5.24
5.4
HYDRAULIC SYSTEM OPERATION
5.4.1 PRELIMINARY INFORMATION
Work connected with the repair, change or regeneration of hydraulic system components
(raising cylinder, valves etc.) should be entrusted to specialist establishments, having the
appropriate technology and qualifications for this type of work.
The duties of the operator connected with the hydraulic system include:
•
inspecting and checking air tightness of system.
•
Checking technical condition of hydraulic connections.
DANGER
Do NOT use the trailer if hydraulic system is unreliable.
Do NOT use the trailer if hydraulic brake system is unreliable.
5.4.2 CHECKING HYDRAULIC SYSTEM TIGHTNESS
Required service actions
Hitch trailer to tractor.
Connect all hydraulic system lines according to service instructions.
Clean connectors and cylinders (raising cylinder, suspension cylinder,
supports etc.).
Actuate hydraulic cylinders several times and hold them in the position of
maximum extension for about 30 seconds.
Press tractor brake pedal several times.
If trailer is equipped with hydraulic brake system.
Check tightness of hydraulic system, inspect cylinders and hydraulic lines.
If leaks appear at connections then tighten the connections.
In the event of confirmation of oil on hydraulic ram cylinder bodies ascertain origin of leak.
Inspect hydraulic seals when ram cylinder is completely extended. Minimum leaks are
Summary of Contents for T285/1
Page 2: ......
Page 6: ......
Page 11: ...SECTION 1 BASIC INFORMATION ...
Page 26: ...Pronar T285 1 SECTION 1 1 16 ...
Page 27: ...SECTION 2 SAFETY ADVICE ...
Page 42: ...Pronar T285 1 SECTION 2 2 16 ...
Page 43: ...SECTION 3 DESIGN AND OPERATING PRINCIPLE ...
Page 64: ...Pronar T285 1 SECTION 3 3 22 ...
Page 65: ...SECTION 4 CORRECT USE ...
Page 91: ...SECTION 5 MAINTENANCE ...
Page 124: ...Pronar T285 1 SECTION 5 5 34 FIG 5 13 Trailer s lubrication points part 1 ...
Page 125: ...SECTION 5 Pronar T285 1 5 35 FIG 5 14 Trailer s lubrication points part 2 ...
Page 134: ...Pronar T285 1 SECTION 5 5 44 ...
Page 135: ...NOTES ...
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