KYJACK, Page 7
JIII Conventional eries
143911
ection 4 - Troubleshooting Information
ervice and Maintenance
Electrical ystem (Continued)
6. Loose or broken wire #19 from base terminal block to tilt switch S1
(AN I/C A).
Check continuity. Replace if defective.
-
7. Defective tilt switch S1
(AN I/C A).
est tilt switch. Replace if defective.
-
8. Loose or broken wire #28 from tilt switch S1 to tilt relay 28CR
(AN I/C A).
Check continuity. Replace if defective.
-
9. Loose or broken wire #02 from tilt switch S1 to base terminal strip
(AN I/C A)
.
Check continuity. Replace if defective.
-
10. Defective tilt relay 28CR
(AN I/C A).
Check relay. Replace if defective.
-
11. Loose or broken wire #19A from tilt relay 28CR to pump motor contactor
(AN I/C A).
Check continuity. Replace if defective.
-
12. See 4.1-5 of this section for more troubleshooting information for
(CE)
.
4.1-9
No Down Function from Platform or Base Control Console (AN I/C A only)
NOTE
Down function is not proportionally controlled.
1. Loose or broken wire #13 from base terminal block to down valve 2H-13 or holding valve 2H-13-1 or
holding valve 2H-13-2.
Check continuity. Replace if defective.
-
2. Loose or broken wire #02 from base terminal block to down valve 2H-13 or holding valve 2H-13-1 or
holding valve 2H-13-2.
Check continuity. Replace if defective.
-
3. Defective down valve 2H-13.
Check continuity through coil. Replace if defective.
-
4. Defective lift cylinder holding valve 2H-13-1 or holding valve 2H-13-2.
Check continuity through coil. Replace if defective.
-
4.1-10 No Down Function from Platform or Base Control Console (CE only)
NOTE
Down function is not proportionally controlled.
1. Loose or broken wire #13 from base terminal block to CM1 control module pin P2-4.
Check continuity. Replace if defective.
-
2. Defective down relay 28CR2 or Aux. down relay 28ECR2.
Check relay. Replace if defective.
-
3. Loose or broken wire #02 from base terminal block to down relay 28CR2 or Aux. down relay
28ECR2.
Check continuity. Replace if defective.
-
4. Loose or broken wire #13 from base terminal block to Aux. down relay 28ECR2.
Check continuity. Replace if defective.
-
5. Loose or broken wire #13A from Aux. down relay 28ECR2 to down relay 28CR2.
Check continuity. Replace if defective.
-
6. Loose or broken wire # 13B from down relay 28CR2 to down valve 2H-13B or holding valve 2H-13B-1
or holding valve 2H-13B-2.
Check continuity. Replace if defective.
-