SKYJACK, Page 93
SJRT Compact Series
Engine Powered
5. Open manual override on holding valve (2H13-1) or (2H13-2).
- Depress and turn manual override clockwise to close. Replace if defective.
6. Stuck holding valve (2H13-1) or (2H13-2).
- Check valves. Repair or replace if defective.
4.2-13. Down Circuit Inoperative
1. Stuck or defective lowering valve (2H13).
- Check valve. Repair or replace if defective.
2. Stuck holding valve (2H13-1) or (2H13-2).
- Check valves. Repair or replace if defective.
3. Plugged lowering orifice (O1).
- Clean or replace orifice.
4.2-14. All Outriggers Inoperative
1. Stuck or defective outrigger holding valve (2H-17C).
- Check valve. Repair or replace if defective.
4.2-15. Left Front Outriggers Inoperative
1. Stuck or defective retract valve (4H-71) or extend valve (4H-75).
- Clean valve. Replace if defective.
2. Stuck or defective check valve (CV7).
- Check valve. Replace if defective.
3. Bypassing outrigger cylinder (C9).
- Repack cylinder. Replace if defective.
4.2-16. Right Front Outriggers Inoperative
1. Stuck or defective retract valve (4H-72) or Extend Valve (4H-76).
- Clean valve. Replace if defective.
2. Stuck or defective check valve (CV8).
- Check valve. Replace if defective.
3. Bypassing outrigger cylinder (C10).
- Repack cylinder. Replace if defective
4.2-17. Right Rear Outriggers Inoperative
1. Stuck or defective retract valve (4H-73) or Extend Valve (4H-77).
- Clean valve. Replace if defective.
2. Stuck or defective check valve (CV9).
- Check valve. Replace if defective.
3. Bypassing outrigger cylinder (C11).
- Repack cylinder. Replace if defective.
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