SECTION 14: STEERING
10
DOB 2490-2789 | X3-45 Commuter PA1605 Maintenance Manual (Section 14 revised April 2018)
8. Add reference marks to the arm and shaft if
necessary to ensure correct alignment at
reassembly.
7. You must use a puller to remove pitman arm.
10.2 INSTALLATION
1. Position pitman arm on sector gear shaft with
reference marks aligned.
2. Install fixing nut (Prevost #661050). Tighten
nut to 470-570 lbf-ft (637-773 Nm).
NOTE
Use a new nut if the previously removed nut
was punched.
1. Lock nut with sector shaft using a punch
mark into the groove (Refer to figure 15).
FIGURE 15: FIXING NUT PUNCH MARK
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2. Connect drag link to pitman arm while
ensuring that rubber stabilizer is in place on
the rod end. Install washers. Tighten nut to
150-200 lbf-ft (203-271 Nm). Afterwards,
install a new cotter pin.
CAUTION
Input shaft marks must be aligned before
adjusting pitman arm.
10.3 ADJUSTMENT
1. Disconnect the drag link from pitman arm.
Center steering wheel by dividing the total
number of steering wheel turns in two. Scribe
a reference mark on steering gearbox at the
center previously determined.
2. Using a protractor, check the angle of the
pitman arm (refer to Figure 14 for details).
3. The pitman arm should be adjusted to an
angle of 2.5º in relation with the vertical axis
(towards front of vehicle). If not, unscrew and
remove fixing nut. Remove the pitman arm
according to the procedure outlined under
previous heading
"Pitman arm removal"
.
Adjust to the proper angle.
4. When adjustment is achieved, replace fixing
nut and torque to 470-570 lbf-ft (637-773Nm).
10.4 TAG AXLE UNLOADING SWITCH
ADJUSTMENT
1. Make sure vehicle wheels are straight and
facing forward.
2. Line up switch lever with reference to the
bracket center (Refer to figure 16).
FIGURE 16: TAG AXLE UNLOADING SWITCH
ADJUSTMENT
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