Steering Shaft - Peterbilt 579 Operator's Manual

STEERING SYSTEM
between the Maximum and
Minimum level indicators.
Fluid Filter Replacement
5
CAUTION
Servicing the power steering system
without bleeding it of trapped air may
cause damage to the power steering
pump.
1. Replace both fluid and filter.
5-132
2. Bleed the system if necessary.
Y53-6047–2C

Steering Shaft

The following are common torque
specifications for most steering shafts.
•
Torque on U–joint pinch bolt and
nut (7/16 in) 74–81 Nm (55 to 60
lb-ft), lubricated.
•
Torque on Pitman arm clamp bolt
and nut (3/4 in): 406–433 Nm (300
to 320 lb-ft), lubricated.
•
For off–highway vehicles, tighten
the U–bolts after the first day or
two of operation. Then check
weekly.
(04/13)