311
M6.0-1055-003
01 Rev. 11/08
STEERING
Steering
Housing to Yoke Assembly
1. Prior to assembly, pack tapered roller bearings
cones with grease.
2. Install metallic grease seals (index 12 and 14) with
cupped side facing outward and press bearing
cups (index 11 and 15) into housing ensuring they
are fully seated. Refer to Figure 16217-01.
3. Apply a light coating of lubricant to yoke shaft bear-
ing diameters. Install the lower bearing metallic
grease seal (index 17) with cupped side facing out-
wards towards shaft end and press lower bearing
cone (index 16) onto yoke shaft ensuring it is fully
seated.
4. Fill lower bearing cup and metallic seal with
grease. Install yoke shaft with lower bearing cone
into housing from bottom.
5. Fill upper bearing cup and metallic seal with
grease. Install bearing cone (index 10), upper me-
tallic seal (index 9), top cap (index 8), tabbed
washer (index 7), and locknut (index 6) on to yoke
shaft.
6. Torque locknut to 170 Nm (125 ft lb) while rotating
or oscillating the yoke shaft assembly in both direc-
tions a minimum of three times. Then loosen the
locknut until free. Retighten the locknut to 34 Nm
(25 ft lb) of torque. If a slot in the locknut and a tab
on the washer are not aligned, further tighten the
locknut until the next slot and tab are aligned. Bend
tab to engage the slot in the locknut.
Figure 16217-01
(1) Mounts to Truck Frame
(2) Refer to Housing to Yoke Assembly for Torque Values
(3) 339 Nm (250 ft lb)
Crown 2007 PF15713-3 Rev. 11/08
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