PRONAR T743, Operator'S Manual, Page: 109 / 150

Pronar T743 SECTION 5
5.10
Cleaning valve:
•
every 12 months (before winter period).
DANGER
Before dismantling drain valve release air from tank.
5.2.5 OPERATION NO. 5 - CHECKING CONNECTIONS
Required service actions
•
Check technical condition of bodies of pneumatic, hydraulic and electrical
connectors.
•
Check electric contacts.
•
Check condition of pneumatic connector seals, check condition of safety covers.
Damage including cracking of body, burnt or broken electrical contacts, damage thread
classifies contact for replacement. In the event of damage to or seal of pneumatic connector,
these elements must be replaced with 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 covers or
placed in their designated sockets.
Inspect trailer connections:
•
daily.
DANGER
Unreliable and dirty trailer connections may cause unreliability and faulty functioning of
braking, electric or hydraulic system.