the trailer for road transport
e: [email protected] | w: www.montracon.com
t
: +44 (0)1302 732500 |
f
: +44 (0)1302 732503
MACHINERY CARRIERS
68
AIR SUSPENSION
Air bags flat
Build tractor unit air pressure up to 6.5 bar
Should be set to supply 6.0 bar. Reset or replace valve
Clean or replace element
Inspect for damage and test for leaks, locate and repair or replace
Inspect, test and replace, as required
Inspect, test and replace, as required
Inspect, test and replace, as required
Inspect, test and replace, as required
Insufficient air supply
Leak in air lines, connections or
air bag assembly
Pressure protection / charging
valve faulty
Clogged in-line filter
Faulty levelling valve
Faulty air load sensing valve
Faulty exhaust valve (if fitted)
Faulty raise / lower valve
(if fitted)
Probable Cause
Remedy
Suspension deflates rapidly when parked
Inspect for damage and connections or air bag test for leaks, repair
or replace
Leak in air lines, connections or
air bag assembly
Probable Cause
Remedy
Excessively worn air bags
Check for correct tyre size and inflation. Measure clearances contact
Montracon customer services
Check items listed under ‘air bags flat’
Adjust ‘ride height’
Check variable height (raise / lower) valve and set to ‘ride’ position
Bag contacting the frame, tyres
or rim
Over extension of air bags
Operating with insufficient air
pressure
Worn shock absorbers
Replace
Probable Cause
Remedy