PRONAR PT610, Operator'S Manual, Page: 103 / 131

SECTION 5 Pronar PT610
5.17
specialist establishments, having the appropriate technology and qualifications for this type of
work.
The duties of the operator connected with the pneumatic system maintenance 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 conduit connections,
•
replacement of the pneumatic conduit.
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.
Check the system pressure using a pressure gauge installed in the tractor
dashboard.
In single conduit systems air pressure should amount to approx.
5.8 bar.
In double conduit systems air pressure should amount to approx.
8 bar.
Turn off tractor engine.