Pneumatic System Maintenance; Preliminary Information; Checking Air Tightness And Visual Inspection Of Pneumatic System - PRONAR T286 Operator's Manual

SECTION 5

5.3 PNEUMATIC SYSTEM MAINTENANCE

5.3.1

PRELIMINARY INFORMATION

Work connected with repair, replacement or regeneration of system components (brake
cylinders, conduits, control valve, braking force regulator, 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 pneumatic system include:
• checking tightness and visual inspection of the system.
• cleaning the air filter (filters),
• draining water from air tank,
• cleaning drain valve,
• cleaning and maintaining pneumatic line connections,
• replacement of the pneumatic line.
DANGER
Do NOT use the trailer when brake system is unreliable.
5.3.2 CHECKING AIR TIGHTNESS AND VISUAL INSPECTION OF PNEUMATIC
SYSTEM
Checking air tightness of pneumatic system
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 single conduit systems, air pressure should be approx. 5.8 - 6.5 bar.
In double line systems air pressure should amount to approx. 6.5 bar.
5.19
Pronar T286