Table 3-1. Troubleshooting Table - Continued.
TEST OR INSPECTION
16. TOW POINT CYLINDER WILL NOT MOVE.
Step 1. Check hydraulic reservoir level.
If hydraulic oil level is low, add hydraulic oil as necessary per paragraph 3.3.4.
Step 2. Check for the installation of the tow point locking pin.
Remove tow point locking pin per paragraph 2.26.10.
Step 3. Check the position of the tow point flow shutoff valve.
Open the tow point flow shutoff valve by turning knob counterclockwise.
Step 4. Check position of the tow point flow control valve adjustment knob.
Open tow point flow control valve and time tow point movement. Full cylinder stroke should
take 20 seconds.
Adjust tow point flow control valve adjustment knob for tow point movement from limit to
limit in 20 seconds.
Step 5. If tow point flow shutoff valve is open and tow point flow control valve adjustment does not improve
cylinder operation and if hydraulic oil level is OK and tow point locking pin is removed, inform
supervisor of problem.