Lull 944E-42 Service Manual - Manual (Page 832)

Transfer Carriage
11.30 Model 644E-42/944E-42 Rev. 6/04
11.4 TROUBLESHOOTING
This section provides an easy reference guide covering
the most common problems that occur during operation
of the transfer carriage.
11.4.1 Transfer Carriage Troubleshooting
Problem Cause Remedy
1. Transfer carriage will not
extend or retract.
1. Broken transfer cylinder
hydraulic hose(s) or tube(s) and/
or connections leaking.
2. Transfer Carriage Extend/
Retract hydraulic system not
operating properly.
3. Faulty Transfer Carriage
Cylinder.
4. Rollers binding on rails.
1. Locate break, replace hose(s)
or tube(s), tighten connections.
2. Refer to Section 8, “Hydraulic
System” pages 8.106, 8.108,
8.110 or 8.112
3. Repair cylinder. (Refer to
Section 8.14.11, “Transfer
Carriage Cylinder.”)
4. Check roller gap. Refer to
Section 11.3.10, “Rear Roller
Gap Check,” and Section
11.3.12, “Front Roller Gap
Check.”
2. Jerky transfer carriage extend
or retract functions.
1. Front or rear wear pads loose,
contaminated, excessively worn
or damaged.
2. Transfer carriage extend/retract
hydraulic system not operating
properly.
3. Damaged transfer carriage.
4. Damaged rollers.
1. Replace wear pads. (Refer to
Section 11.3.5, “Rear Wear Pad
Replacement,” and Section
11.3.9, “Front Upstop Wear Pad
Replacement.”)
2. Refer to Section 8, “Hydraulic
System” pages 8.106, 8.108,
8.110 or 8.112
3. Replace the damaged transfer
carriage. (Refer to Section
11.3.1, “Transfer Carriage
Removal.”)
4. Replace the damaged rollers.
(Refer to Section 11.3.15, “Front
Roller and Bushing
Replacement,” or Section
11.3.16, “Rear Roller and
Bushing Replacement.”)