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SECTION 5
5.3.5 CLEANING AND MAINTAINING PNEUMATIC LINE CONNECTIONS AND
PNEUMATIC SOCKETS
DANGER
Unreliable and dirty trailer connections may cause unreliability and faulty functioning of
braking system.
Damaged connection body or connection socket to second trailer should be replaced. In
event of damage to cover or seal, change these elements for new reliable elements. Contact
of pneumatic connector seals with oils, grease, petrol etc. may cause damage and accelerate
ageing process.
If the trailer is unhitched from the tractor, connections should be protected by cover or placed
in their designated socket. Before the winter period it is recommended to preserve the seal
with special preparations (e.g. silicon grease for rubber elements).
Each time before connection of the machine inspect technical condition and cleanness of
contacts and sockets in tractor. If necessary clean or repair tractor socket.
Inspect trailer connections:
5.4 HYDRAULIC SYSTEM MAINTENANCE
5.4.1 PRELIMINARY INFORMATION
Work connected with the repair, change or regeneration of hydraulic system components
(tipping 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.
• connection should be inspected every time before connecting trailer to
tractor or second trailer.
5.19
Pronar T683
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