Troubleshooting - Yale 524150797 Maintenance Manual

Troubleshooting

6. Align the load wheel assembly and pull rod with
the load wheel pivot pin hole in the fork frame.
7. Install the load wheel pivot pins and the cap-
screws to retain the pivot pins to the fork frame.
8. Lubricate the load wheel assemblies and all link-
age pivot pins with multipurpose grease. For
proper lubrication specifications, see the section:
• Periodic Maintenance 8000YRM1510
for lift truck model A249
• Periodic Maintenance 8000YRM1666
for lift truck model A245
9. Assemble the frames. See the section
• Frame 0100YRM1502
for lift truck model A249
PROBLEM
Forks fail to elevate.
10
10. Remove the blocks from the lift truck and install
11. Test the operation of the lift truck before returning
Troubleshooting
POSSIBLE CAUSE
Battery is discharged.
Oil in the hydraulic reservoir is low.
Faulty hydraulic equipment.
Deformed lifting components.
Load exceeds lifting capacity.
Lift switch not operating properly.
• Frame 0100YRM1665
for lift truck model A245
the battery. See the section
• Periodic Maintenance 8000YRM1510
for lift truck model A249
• Periodic Maintenance 8000YRM1666
for lift truck model A245
the truck to service.
PROCEDURE OR ACTION
Charge or replace battery. See the
section Periodic Maintenance for
your lift truck.
Fill reservoir to correct level.
Check for leaks. See the section
Hydraulic
1900YRM1506.
See the section Hydraulic System
1900YRM1506.
Disassemble and replace dam-
aged parts.
Select loads within capacity rating.
Troubleshoot lift switch and wiring.
4000 YRM 1509
System