Lull 944E-42 Service Manual - Manual (Page 256)

Transfer Carriage
11-16 944E-42
11.3.15 Front 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 front roller pin (8), front roller and
shims (9). Count and label their positions for later
replacement.
Note: It is reccomended to replace both rollers at the
same time. Roller replacement includes bearings.
7. Inspect front rollers (9) 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.
8. Inspect the front roller bearings (10). If they are worn
and visibly shake on the roller pin, replace with new
self-lubricating bearings.
9. Insert roller pin (8), front roller and shims (9) in their
previously labeled positions.
10. Coat the capscrews with Loctite
®
242 (blue). Replace
capscrew, washer, spacer and locknut to secure pin
(8) on transfer carriage. Torque capscrew to
43 - 78 lb-ft (59 - 106 Nm).
11. Repeat steps 8 through 10 for the other front roller.
12. Properly connect the batteries
13. Close and secure the engine cover.
14. Inspect rear rollers. (Refer to Section 11.3.12, “Front
Roller Gap Check.”)
15. If required, perform rear rollers shimming. (Refer to
Section 11.3.13, “Front Roller Shimming.”)
MU1791
8
9
MU3211
10