Skyjack SJ30ARJE User Manual

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SJ30AJE, SJ30ARJE 196274AF
Hydraulic System Section 4 – Troubleshooting Information
4.3-11 No Jib Down
1. Stuck or defective flow enable valve 2H-20A. Clean valve. Check operation of valve. Repair or
replace valve as required.
2. Plugged or defective orifice OR2. Check orifice. Replace if plugged or defective.
3. Stuck or defective jib down valve 4H-34. Clean valve. Check operation of valve. Repair or
replace valve as required.
4. Stuck or defective counterbalance valve CB7 or
CB8.
Clean valve. Check O-rings on valve. Repair or
replace valve as required.
5. Defective extension cylinder C5 Check seals on cylinder. Replace as necessary.
Replace cylinder if defective.
4.3-12 No Platform Rotation Right
1. Stuck or defective flow enable valve 2H-20A. Clean valve. Check operation of valve. Repair or
replace valve as required.
2. Plugged or defective orifice OR3. Check orifice. Replace if plugged or defective.
3. Stuck or defective rotate right valve 4H-37. Clean valve. Check operation of valve. Repair or
replace valve as required.
4. Stuck or defective counterbalance valve CB9 or
CB10.
Clean valve. Check O-rings on valve. Repair or
replace valve as required.
5. Defective rotary actuator RA2. Check actuator. Repair or replace as necessary.
4.3-13 No Platform Rotation Left
1. Stuck or defective flow enable valve 2H-20A. Clean valve. Check operation of valve. Repair or
replace valve as required.
2. Plugged or defective orifice OR3. Check orifice. Replace if plugged or defective.
3. Stuck or defective rotate left valve 4H-36. Clean valve. Check operation of valve. Repair or
replace valve as required.
4. Stuck or defective counterbalance valve CB9 or
CB10.
Clean valve. Check O-rings on valve. Repair or
replace valve as required.
5. Defective rotary actuator RA2. Check actuator. Repair or replace as necessary.

Skyjack SJ30ARJE Specifications

General

Brand	Skyjack
Model	SJ30ARJE
Category	Boom Lifts
Language	English