Manitowoc Grove GRT9165, Service Manual

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8-5
GRT9165 SERVICE MANUAL UNDERCARRIAGE
8
Published 10-01-2020 Control # 699-00 GROVE
a. Reference a point on the frame to center the rear
axle.
b. Use a straight edge to align the middle axle with rear
axle, making sure the front of the wheel hubs are
aligned.
c. Remove capscrews (1, Figure 8-4) and bump stop
(2) from the frame.
d. Position the tooling jig (108 mm (4.25 inch)
diameter and 30 mm (1.181 in) disk) on the axle
under the bump stop on the frame.
e. Use a floor jack to raise the axle up to the tooling jig.
Raising the axle ensures the axles are at the correct
height for synchronizing the rear axle drag links.
5. Install relay arm (5, Figure 8-5) and pin (6) with
capscrew and washer. Add shims (9) as necessary to
create a maximum gap of 1.5 mm (0.06 in) closest to the
frame and no gap on the outside.
NOTE: The rig pin should be 8.33 mm (0.33 in) diameter x
136.7 mm (5.38 inch).
6. Install rig pin (11) through the hole (10) in the relay arm
mounting bracket and relay arm (5).
7. Install drag links (3 and 4) on relay arm (5).
8. With the rig pin (11) inserted, verify the left rear wheels
are aligned and in the straight ahead position by using a
straight edge long enough to lay across the wheel
mounting surfaces of both rear axles. Adjust drag links
to fit between the relay arm and axle steer arms.
9. Remove rig pin (11) and tighten tube clamps on drag
links (3 and 4). Torque ball joints from 332 N-m to 366 N-
m (240 ft-lbs to 270 ft-lbs).
10. Remove tooling jig (108 mm (4.25 inch) diameter and
30 mm (1.181 in) disk) from axle.
11. Apply Loctite® 243™ or equivalent to threads of
capscrews (1, Figure 8-4). Install bump stop (2).
12. Lower the axles. Remove floor jack.
13. Install the tires on the axles. For more information, see
Wheels And Tires , page 8-7.
14. Retract the outriggers.
15. With full weight on the rear axles, verify the alignment.
Adjust alignment as necessary.
2
1
Strut Cylinder
(REF)
FIGURE 8-4
10220