Lull 944E-42 Service Manual - Manual (Page 257)

11-17 944E-42
Transfer Carriage
11.3.16 Rear Roller and Bushing Replacement
Note: The attachment should remain attached to the
quick attach.
1. Park the machine on a firm, level surface, level the
machine, fully retract the boom and transfer
carriage, level the boom, place the transmission
control lever in (N) NEUTRAL, engage the park
brake and shut the engine OFF.
2. Lift the boom with a hoist to remove pressure off the
front rollers. There should be a gap between the
rollers and the rails.
3. Place a Do Not Operate Tag on both the ignition key
switch and the steering wheel, stating that the
machine should not be operated.
4. Open the engine cover. Allow the system fluids to
cool.
5. Properly disconnect the batteries
6. Remove the Lull logo plate and black backing from
the rear of the vehicle.
7. Remove the bolts and stop blocks (1) on both sides.
8. Remove the rear roller pin (2). Slide the roller pin out
and remove the rollers and shims (3) from transfer
carriage. Count and label the rollers and shims for
later replacement.
Note: It is reccomended to replace both rollers at the
same time. Roller replacement includes bearings.
9. Inspect rear rollers for cracks and flat wear spots. If
front roller is damaged, replace it with a new front
roller.
Note: It is reccomended to replace both bearings at the
same time.
Note: DO NOT apply any grease or anti-seize
compound to bushing or roller pin.
10. Inspect the rear roller bearings. If they are worn and
visibly shake on the roller pin, install a new
self-lubricating bearing (4) into the roller.
11. Insert the rear roller pin (2), rear rollers and shims
(3) according to their new positions. Coat the pin bolt
with Loctite
®
242 (blue). Replace pin bolt and locknut
on the roller pin (2). Torque locknut to, 43 - 78 lb-ft
(59 - 106 Nm).
12. Coat the bolts with Loctite
®
242 (blue). Replace the
bolts and stop blocks (1) at the rear, left and right
side of the frame. Torque bolt to, 302 - 390 lb-ft
(410 - 530 Nm).
13. Install the Lull logo plate and black backing at the
rear of the machine. Coat the locknuts with Loctite
®
242 (blue) and torque to, 29 - 51 lb-ft (40 - 70 Nm).
14. Properly connect the batteries
15. Close and secure the engine cover.
16. Inspect rear rollers. (Refer to Section 11.3.10, “Rear
Roller Gap Check.”)
17. If required, perform rear rollers shimming. (Refer to
Section 11.3.11, “Rear Roller Shimming.”)
11.3.17 Boom Pivot Bushing Replacement
1. Park the machine on a firm, level surface, level the
machine, fully retract the boom, level the boom,
place the transmission control lever in (N)
NEUTRAL, engage the park brake and shut the
engine OFF
2. Remove the boom as described in Section 3.3,
“Boom Assembly Maintenance.”
MU1641
1
1
MU1741
2
3
3
MU3211
4