TROUBLESHOOTING (Hydraulic System) (continued)
TEST OR INSPECTION
27. SLOW OPERATION
Step 1. Check hydraulic reservoir temperature.
If greater than 16O°F, turn off hydraulic system and allow fluid to cool. Notify
Unit maintenance if fluid overheats repeatedly.
Step 2. Check hydraulic fluid level (Appendix E).
Refill reservoir as necessary (Appendix E).
Step 3. Conveyor operation only: Check flow-control valve settings (p. 3-39).
Adjust valve as necessary (p. 3-39).
If condition persists, notify Unit maintenance.
28. CONVEYOR CHAIN WILL NOT MOVE
Step 1. Check to see if conveyor safety (override) switch is set to ON.
If not, turn switch to ON.
Step 2. Check to make sure conveyor deadman switch is not stuck in the closed
If deadman switch is stuck, free switch.
Step 3. Check flow-control valve setting (p. 3-39).
Turn flow-control valve counterclockwise slowly until chain speed is