Information on operation, adjustment, repairs
and maintenance of Muldoon Positive Rear Steer
System
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FIG 4c
3:
THE WARNING LIGHT
If for any reason the system develops an oil leak, then the pressure will drop and the accumulator indicator will start to protrude.
If left undetected, the warning light will eventually come on; when the system pressure has dropped to approximately 1.5 bar (20
PSI).
At this stage the steer system is still in a safe and useable condition, however it is highly advisable that any oil leak be detected and repaired and the system primed to 6 bar (85
PSI) as soon as possible. Refer to the hydraulic system (in the workshop manual).
C: STEERING
ALIGNMENT
Models produced prior to September 2000 require the steering to be aligned manually; Models produced after this date have an automatic alignment system.
MANUAL
ALIGNMENT
WARNING: MANUAL ALIGNMENT SHOULD ONLY BE ATTEMPTED BY
COMPETENT PERSONNEL AFTER HAVING FIRST CONSULTED THE WORKSHOP
MANUAL.
SERIOUS DAMAGE CAN OCCUR IF ALL INSTRUCTIONS ARE NOT FULLY ADHERED TO.
AUTOMATIC ALIGNMENT
Automatic alignment takes place when the tractor unit is turned to 90 degrees to the trailer in both left and right directions. It will be necessary to carry out the above operation
every time the tractor unit is uncoupled and re-coupled, or if steering axle misalignment occurs
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