SKYJACK, Page 89
SJRT Compact Series
Engine Powered
4.1-36. Left Rear Outriggers Inoperative Manually
1. Defective left rear outrigger switch (S23 at platform) (S23A at base).
- Check switch. Replace if defective.
2. Loose or broken wire #74(up) or #78 (down) from outrigger control box to pin #5 (up) or pin #2
(down) on connector (CN20) at outrigger board.
- Check continuity. Replace if defective.
3. Open diode (D74) up or (D78) down on outrigger board.
- Check diode. Replace if defective.
4. Loose or broken wire #74(up) or #78 (down) from pin #6 (up) or pin #3 (down) on connector
(CN21) at outrigger board to valve coil (4H-74) up or (4H-78) down.
- Check continuity. Replace if defective.
5. Loose or broken wire #02 from valve coil (4H-74) up or (4H-78) down to pin #2 on connector
(CN21) at the outrigger board.
- Check continuity. Replace if defective.
4.1-37. Individual Outrigger Functions Inoperative (Auto-Level)
1. Loose or broken wire #71- #75 (depending on function not working) at outrigger control module
plug (P4) pins 1-8.
- Check connections of outrigger functions not working (refer to Section 5 for pin reference chart).
Replace if defective.
2. No output from outrigger control module (OCM1) at plug (P4) pins 1-8.
- Turn off power to reset the outrigger control module. Turn power back on and retest. If problem
persists, replace outrigger control module.
4.1-38. Auto-Level Inoperative
1. Loose or broken wire #35D from outrigger enable switch (S9A) to auto mode outrigger switch
(S24).
- Check continuity. Replace if defective.
2. Defective auto mode outrigger switch (S24).
- Check switch. Replace if defective.
3. Loose or broken wire #10A at PIN#P2-12 on outrigger control module (OCM1).
- Check for power at P2-12. If no voltage present, check continuity of wire. Replace if defective.
4. Loose or broken wire #35 at PIN#P2-10 on outrigger control module (OCM1).
- Check for power at P2-10. If no voltage present, check continuity of wire. Replace if defective.
5. Loose or broken wire #02 at PIN#P2-11 on outrigger control module (OCM1).
- Check for ground at P2-11. If no ground present, check continuity of wire. Replace if defective.
6. Loose or broken wire #70 from auto mode outrigger switch (S24) to PIN#P2-5 on outriger control
module (OCM1).
- Check continuity. Replace if defective.
7. For additional information, refer to sections 4 & 5 “Outrigger Control Module - Troubleshooting.”
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