SKYJACK, Page 75
SJRT Compact Series
Engine Powered
4.1-10. High Throttle On Demand Inoperative (Kubota Dual Fuel)
NOTE
If machine is in drive mode and is elevated above high speed limit
switch, high throttle is inoperative.
1. Throttle switch (S14) in low throttle position.
- Select high throttle position on switch.
2. Open or defective diode (D17A) or (D18B).
- Check diodes. Replace if defective.
3. Loose or broken wire #33 from terminal block (TB1) to power on demand relay (33CR).
- Check continuity. Replace if defective.
4. Loose or broken wire #02 from terminal block (TB1) to power on demand relay (33CR).
- Check continuity. Replace if defective.
5. Defective power on demand relay (33CR).
- Check relay. Replace if defective.
6. Loose or broken wire #34C from power on demand relay (33CR) to high throttle solenoid (HTS-
34C).
- Check continuity. Replace if defective.
7. Defective high throttle solenoid (HTS-34C).
- Check solenoid. Replace if defective.
NOTE
If the above does not repair the high throttle on demand, refer to high
throttle inoperative in this section.
4.1-11. Drive and Steer Inoperative (Machines without outriggers option)
1. LIFT/DRIVE select switch (S3) in LIFT position.
- Turn switch to DRIVE position.
2. Defective contacts on LIFT/DRIVE select switch between wire #8A and wire #8B.
- Check continuity through contact. Replace if defective.
3. Loose or broken wire #08 from LIFT/DRIVE select switch (S3) to joystick controller enable
switch (S7-7).
- Check continuity. Replace if defective.
4. Defective joystick enable switch (S7-7).
- Check switch. Replace if defective.
5. Loose or broken wire #8A from joystick enable relay (8CCR) to speed, steer and direction switches
(S7-1 to S7-6).
- Check continuity. Replace if defective.
6. Loose or broken wire #8C from joystick enable switch (S7-7) to joystick enable relay (8CCR).
- Check continuity. Replace if defective.
7. Defective joystick enable relay (8CCR).
- Check continuity. Replace if defective.
8. Loose or broken wire #02 from joystick enable relay (8CCR) to joystick harness.
- Check continuity. Replace if defective.
9. Loose or broken wire #10A from base terminal block to tilt switch (TS1).
- Check continuity. Replace if defective.
10. Defective tilt swtich (TS1).
- Check tilt switch. Replace if defective.
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