11. Forward Drive Inoperative; 12. Reverse Drive Inoperative; 13. Forward And Reverse Slow Speed Only; 14. Brake Not Releasing - Skyjack SJ 8831E Maintenance And Parts Manual
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- Operating manual (30 pages) ,
- Operating manual (44 pages) ,
- Operating manual (77 pages)
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4.1-11. Forward Drive Inoperative
1. Loose or broken wire #16 on Lift/Off/Drive Switch (S9).
-Check continuity. Replace if defective.
2. Defective Fuse (F6).
-Replace fuse.
3. Bad contacts in Contactor (C16A).
-Replace Contactor.
4. Loose or broken wire #16A from Pin #15 on Sevcon to Contactor (C16A).
-Check continuity. Replace if defective.
4.1-12. Reverse Drive Inoperative
1. Loose or broken wire #15 on Lift/Off/Drive Switch (S9).
-Check continuity. Replace if defective.
2. Defective Fuse (F5).
-Replace fuse.
3. Bad contacts in Contactor (C15A).
-Replace contactor.
4. Loose or broken wire #15A from Pin #17 on Sevcon to Contactor (C15A).
-Check continuity. Replace if defective.
4.1-13. Forward And Reverse Slow Speed Only
1. High Drive Cut Out Limit Switch (LS5) open or defective.
-Check switch. Replace if defective.
2. Loose or broken wire #10A from Pin #4 on Sevcon to High Drive Cut Out Limit Switch (LS5).
-Check continuity. Replace if defective.
3. Open or defective Tilt Switch (TS1).
-Check tilt switch. Replace if defective.
4. Loose or broken wire #28 from Pin #7 on Sevcon to Tilt Switch (TS1).
-Check continuity. Replace if defective.
4.1-14. Brake Not Releasing
1. Open or defective Brake Relay (30CR) or Quick Brake Relay (25CR).
-Check relay. Replace if defective.
2. Loose or broken wire #2A or #2B on Brake Pressure Switch (PS2).
-Check continuity. Replace if defective.
3. Open or defective Brake Pressure Switch (PS2).
-Check for continuity between wire #2A and #2B on Brake Pressure Switch (PS2). Replace if defective.
4. Loose or broken wire #30 or #02 on Coil (2H-30).
-Check continuity. Replace if defective.
5. Defective Coil (2H-30).
-Check coil. Replace if defective.
6. Loose or broken wire #25 or #02 on Coil (2H-25).
-Check continuity. Replace if defective.
7. Defective Coil (2H-25).
-Check coil. Replace if defective.
8. Open or defective Diode (D30).
-Check diode. Replace if defective.
9. Loose or broken wire #2A from Pin #1 on Sevcon to Relay (25CR).
-Check continuity. Replace if defective.
SJ-800 Series E Battery Powered
119153
Troubleshooting Information - Electrical System
SECTION 4, Page 7
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