Skyjack SJ12 Service Manual

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213558ADA
SJ12, SJ16
Section 4 – Troubleshooting Information Hydraulic System Troubleshooting
4.3-12 Platform Does Not Steer
1. Priority steer valve FC1 defective or not adjusted
correctly.
Adjust valve. Replace if defective.
2. Right Steer valve 4H-23 and/or Left Steer valve
4H-24 is defective.
Check valves. Replace if defective.
3. Steer cylinder C1 seals leaking. Rebuild cylinder(s). Replace if damaged.
4. Steer Relief valve R2 defective or not adjusted
correctly.
Adjust valve. Replace if damaged.
5. Mechanical binding in king pins. Check for binding. Repair as needed.
4.3-13 Platform Steers Very Slowly
1. Priority steer valve FC1 defective or not adjusted
correctly.
Adjust valve. Replace if defective.

Skyjack SJ12 Specifications

General

Gradeability	25%
Drive Motor	24V DC
Machine Width	32 in (0.81 m)
Stowed Height	6.5 ft
Overall Width	32 in (0.81 m)
Stowed Height (Rails Folded)	6.5 ft
Drive Speed (Elevated)	0.5 mph (0.8 km/h)
Power Source	Electric