PRONAR T286, Operator'S Manual, Page: 149 / 168

SECTION 5 Pronar T286
5.33
TABLE 5.5 Maintenance of air suspension system
ITEM FREQUENCY MAINTENANCE ACTIVITIES
1
Every 6
months.
- Check condition and fixing of
travel limiting ropes, possibly
replace.
2
Every 6
months.
- Visually inspect the condition of
air bellows (surface cracks,
abrasion, folding, etc.). Replace
damaged air bellows.
- Check technical condition of air
bellows base (external defects,
deformations and correct fixing).
- Check tightening of bolts and
nuts fixing the air bellows.
M 12 - M= 66 Nm
M 16 - M= 230 Nm
3
Every 6
months.
Maintenance of air suspension
system
- Check condition, tightness and
fixing of the system's valves and
conduits.
- drain water from air tank of air
suspension system.
- check operation of push-
buttons of loosening-parking
valve,
- Check condition of strings and
lever of levelling valve (3).