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Electrical System Section 4 – Troubleshooting Information
16. Loose or broken wire #45 from base plug A pin
#20 to relay 45CR1.
Check continuity. Replace if defective.
17. Loose or broken wire #02 from base terminal
block to relay 45CR1.
Check continuity. Replace if defective.
18. Loose or broken wire #09 from base terminal
block to relay 45CR1.
Check continuity. Replace if defective.
19. Defective relay 45CR1. Check relay. Replace if defective.
20. Loose or broken wire #45A from base terminal
block to turret harness plug pin #17.
Check continuity. Replace if defective.
21. Loose or broken wire #45A or #02 from turret
harness plug to 2 speed valve 3H-45A.
Check continuity. Replace if defective.
22. Defective 2 speed valve 3H-45A. Check continuity and resistance through coil. Re-
place if defective.
4.2-16 No Elevated Drive
NOTE
Aerial platform must be level to drive elevated.
1. Loose or broken wire #09 or #02 from base
terminal block to angle transducer/ tilt switch AT1.
Check continuity. Replace if defective.
2. Misadjusted, no output or defective angle
transducer/ tilt switch AT1.
Adjust angle transducer/ tilt switch if required.
Check for 12 volts on wire #28. If no voltage pres-
ent with angle transducer/ tilt switch adjusted it is
defective, replace angle transducer/ tilt switch.
3. Loose or broken wire #28 from level sensor TS1
to plug B pin #7.
Check continuity. Replace if defective.
4. Loose or broken wire #28 in cable B or its
connectors.
Check for continuity between pins #7 on cable B.
Check for loose or corroded connections on cable
connectors. Replace if wire is defective.
5. Loose or broken wire #28 from plug B pin #7 to
platform terminal block.
Check continuity. Replace if defective.
6. Loose or broken wire #28 from platform terminal
block to valve driver pin #18.
Check continuity. Replace if defective.
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