Skyjack SJ61T Service Manual

Page 114 December 2007
Telescopic Boom Series
Models SJ61T & SJ66T
194312
Section 4 - Troubleshooting InformationService and Maintenance
6. Loose or broken wire #57A in boom cable B or its connectors.
- Check for continuity between pin #14 on cable B. Check for loose or corroded connections
on cable connectors. Replace if wire is defective.
7. Loose or broken wire #57A from plug B pin #14 to relay 57ACR in base control console (Deutz D2011,
GM 3.0L) or to base start switch S5 (Deutz TD2.9L).
- Check continuity. Replace if defective.
4.1-6 Engine Will Not Crank from Platform or Base (Deutz TD2.9L)
1. Loose or broken wire #57A from base start switch S5 to 12 pin connector (J1) pin 8.
- Check continuity. Replace if defective.
2. Loose or broken wire #57A from 12 pin connector (P1) pin 8 to 94 pin ECU connector, pin 35.
- Check continuity. Replace if defective.
3. Loose or broken B+ wire from battery B+ to ECU fuse connector P6 pin A .
- Check continuity. Replace if defective.
4. ECU 30A fuse open or defective.
- Check for defective wiring. Replace if defective. Replace fuse.
5. Loose or broken wire #K01 from ECU fuse connector P6 pin B to 94 pin ECU connector 3 places pins
1, 3, and 5.
- Check continuity. Replace if defective.
6. Loose or broken ground wire #00 from battery B- to 94 pin ECU connector 3 places pins 2, 4, and 6.
- Check continuity. Replace if defective.
4.1-7 Engine Cranks but Will Not Start (Deutz TD2.9L)
1. Loose or broken wire #54 from 94 pin ECU connector, pin90 to 12 pin connector (P2), pin 9.
- Check continuity. Replace if defective.
2. Loose or broken wire #54 from 12 pin connector (J2) pin 9 to relay 56ACR.
- Check continuity. Replace if defective.
3. Loose or broken wire #03 to circuit breaker CB3.
- Check continuity. Replace if defective.
4. Circuit breaker CB3 tripped or defective.
- Reset breaker, check for defective wiring. Replace if defective
5. Loose or broken wire #56 from CB3 to relay 56ACR.
- Check continuity. Replace if defective.
6. Loose or broken wire #56A from relay 56ACR to 12 pin connector (J1) pin 4.
- Check continuity. Replace if defective.
7. Loose or broken wire #56A from 12 pin connector (P1) pin 4 to 94 pin ECU connector, pin 26.
- Check continuity. Replace if defective.
8. Loose or broken wire #56B from relay 56ACR to 12 pin connector (J1) pin 3.
- Check continuity. Replace if defective.
9. Defective relay 56ACR.
- Check continuity through contacts of relay. Replace if defective.
10. Loose or broken wire #56B from 12 pin connector (P1) pin 3 to fuel pump.
- Check continuity. Replace if defective.
11. Loose or broken ground wire #00 from fuel pump to battery B-.
- Check continuity. Replace if defective.
12. Engine pre-heat circuit inoperative.
- Refer to Engine manufacturer’s manual to diagnose.
NOTE
For other engine related problems, consult engine manufacturer’s
manual.

Skyjack SJ61T Specifications

General

Brand	Skyjack
Model	SJ61T
Category	Lifting Systems
Language	English