Lull 944E-42 Service Manual - Manual (Page 263)

11-23 944E-42
Transfer Carriage
3. Transfer carriage shifts to
right or left when extending.
1. Transfer carriage rollers
improperly shimmed.
1. Re-shim the transfer carriage.
(Refer to Section 11.3.11, “Rear
Roller Shimming,” and Section
11.3.13, “Front Roller
Shimming.”)
2. Incorrect front or rear wear pad
gap or shimming, or wear pads
excessively worn.
2. Shim wear pads to correct gap.
(Refer to Section 11.3.4, “Rear
Wear Pad Shimming,” and
Section 11.3.8, “Front Upstop
Wear Pad Shimming.”)
4. Excessive transfer carriage
roller pin noise and/or wear.
1. Worn bearing(s). 1. Replace bearing(s). (Refer to
Section 11.3.15, “Front Roller
and Bushing Replacement,” and
Section 11.3.16, “Rear Roller
and Bushing Replacement.”)
2. Excessive dirt or contamination
in roller areas.
2. Clean roller areas.
5. Premature transfer carriage
pad wear.
1. Incorrect front or rear wear pad
gap.
1. Shim wear pads to correct gap.
(Refer to Section 11.3.4, “Rear
Wear Pad Shimming,” and
Section 11.3.8, “Front Upstop
Wear Pad Shimming.”)
2. Rapid cycle times of transfer
carriage with heavy loads.
2. Reduce transfer carriage cycle
times or work with lighter loads.
3. Operating in extremely dusty/
abrasive conditions.
3. Clean wear pad and transfer
roller sliding surfaces frequently.
6. Transfer carriage drifts
forward on it’s own.
1. Transfer carriage cylinder
malfunctioning.
1. Replace transfer carriage
cylinder (Refer to Section
11.3.19, “Transfer Cylinder
Replacement.”)
2. Transfer carriage cylinder
control valve malfunctioning.
2. Replace transfer carriage
cylinder control valve. (Refer to
Section 8.4, “Hydraulic
Circuits.”)
11.4.1 Transfer Carriage Troubleshooting
Problem Cause Remedy