Front roller shimming, Warning – Lull 944E-42 Service Manual User Manual

Page 822

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Transfer Carriage

11.20

Model 644E-42/944E-42

Rev. 6/04

11.3.13

Front Roller Shimming

Note: The attachment should remain attached to the
quick attach.

1. Park the vehicle on firm level ground. Place the

travel select lever in the (N) NEUTRAL DETENT
position, engage the parking brake switch and raise
the boom to a horizontal (level) position.

2. Fully retract the boom and fully retract the transfer

carriage. Shut the vehicle OFF.

3. Lift the boom with a hoist to remove pressure off the

front rollers. There should be a gap between the
rollers and the rails.

4. Shut the engine OFF.

5. Place an Accident Prevention Tag on both the

ignition switch and steering wheel, stating that the
vehicle should not be operated. (Refer to Section
1.5, “Accident Prevention Tag Usage.”)

6. Open the engine compartment cover. Allow the

engine, transmission and hydraulic fluid to cool.

7. If the vehicle has dual batteries, disconnect both

negative battery cables (1 and 2) from both
batteries.

To access the lower battery (3), loosen the knob (4)
far enough so that the lip (5) on the upper battery box
clears the knob. Lift up the upper battery box (6) and
swing it out, so that the box clears the hydraulic tank
support bracket, to gain access to the lower negative
battery cable (1). Disconnect the lower negative
battery cable.

8. Remove capscrew (7), washer (8), spacer (9) and

locknut (10) from the front roller pin (11) and transfer
carriage (12).

9. Remove the front roller pin (11), front roller (13) and

shims (14). Count and label their positions for later
replacement.

Note: New shims have a 0.06 inch (1,5 mm) thickness.

10. 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.

11. Insert front roller pin (11), front roller (13) and

shims (14) according to their new positions.

12. Replace capscrew (7), washer (8), spacer (9) and

locknut (10) to secure pin on transfer carriage (12).
Torque capscrew to, 43 - 78 lb-ft (59 - 106 Nm).

MU0650

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2

3

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6

WARNING:

To avoid personal injury

and/or equipment damage, DO NOT over shim
the rollers. The transfer carriage may jam at
the narrowest part of the rails and cause the
loss of a load or damage the rollers and/or
rails.

MU1790

7

8

9

10

11

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