Lull 944E-42 Service Manual - Manual (Page 255)

11-15 944E-42
Transfer Carriage
11.3.13 Front Roller Shimming
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 (5), front roller and
shims (6). Count and label their positions for later
replacement.
Note: New shims have a 0.06 inch (1,5 mm) thickness.
7. Add new shims to the left and/or right side shim
groups as required to achieve proper gap
maximums. Spread shims evenly between the left
and right shim groups.
8. Insert front roller pin (5), front roller and shims (6)
according to their new positions.
9. Replace capscrew, washer, spacer and locknut to
secure pin (5) on transfer carriage. Torque capscrew
to, 43 - 78 lb-ft (59 - 106 Nm).
10. Properly connect the batteries.
11. Close and secure the engine cover.Inspect rear
rollers. (Refer to Section 11.3.12, “Front Roller Gap
Check.”)
12. If required, perform rear rollers shimming. (Refer to
Section 11.3.13, “Front Roller Shimming.”)
11.3.14 Front Scraper Plate Replacement
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. Place a Do Not Operate Tag on both the ignition key
switch and the steering wheel, stating that the
machine should not be operated.
3. Open the engine cover. Allow the system fluids to
cool.
4. Properly disconnect the batteries.
5. Remove the scraper plates (7) from the front of the
transfer carriage. Clean, inspect for damage, and
replace as necessary.
6. Coat the capscrews with Loctite
®
242 (blue). Replace
capscrews and washers and new scrapers (7) on the
front of the transfer carriage. Adjust scraper to have
a gap of less than 0.12 inches (3 mm) between it
and the frame rail. Torque capscrews to, 25 - 44 lb-ft
(34 - 61 Nm).
7. Properly connect the batteries.
8. Close and secure the engine cover.
MU1791
6
5
MU1841
7