10 Brake(S) Will Not Release; 11 Platform Does Not Steer - Skyjack SJ 3215 Service Manual

Service and Maintenance
Hydraulic System (Continued)

4.2-10 Brake(s) will not Release

1. Brake valve 3H-17 defective or is sticking.
- Clean valve. Replace if defective.
2. Brake orifice 04 plugged.
- Remove orifice. Clean and reinstall.
3. Brake cylinder C4 defective.
- Rebuild cylinder. Replace if damaged.

4.2-11 Platform does not Steer

1. Right steer valve 4H-23 or left steer valve 4H-24 defective or sticking.
- Clean valve. Replace if defective.
2. Steer cylinder C3 seals leaking.
- Rebuild cylinder(s). Replace if damaged.
3. Mechanical binding in king pins.
- Check for binding. Repair as needed.
4. Orifices 05 plugged.
- Clean Orifices, and reinstall.
SJIII Compact Series
143909
Section 4 - Troubleshooting Information
SKYJACK, Page 13