Table 8-1 Troubleshooting Guide (continued)
Symptom | Cause | Remedy | |
|
|
| |
Hoist moving in wrong | Pendant control hoses are | Connect the control tubes in | |
terminated to incorrect ports on hoist | |||
direction (pendant control) | accordance with Section 7.4. | ||
body. | |||
|
| ||
| Hoist is overloaded. | Reduce load to hoist rated capacity. | |
Hoist lowers but will not lift | Faulty pendant control or control | Repair or replace pendant control or | |
hose(s) | control hose(s) | ||
| Lack of air pressure or partial loss of | Repair or adjust air supply or filters. | |
| or leakage in air supply. | ||
|
| ||
|
| Inject approx. 20 drops of oil into inlet | |
Hoist continues running after | Main Spool sticking | port to lubricate the main spool. If | |
spool still sticks, repair at service | |||
pendant or cord is released |
| ||
| facility. | ||
|
| ||
| Valve in Pendant Handle stuck | Repair at service facility | |
Hoist drifts excessively when | Brake is not holding. | Repair brake at service facility. | |
hoist is stopped | |||
|
|
39