Skyjack SJ82 T - 23 No Boom Extend Function from Base or Platform Consoles (CE, AS)

147
SJ82 T, SJ86 T
229040ABA
Electrical System Section 4 – Troubleshooting Information
4.2-23 No boom extend Function from Base or Platform Consoles (CE, AS)
1. Loose or broken wire #39 from base terminal
block to load sense/dual load zone module white
connector J4 pin 6.
Check continuity. Replace if defective.
2. No output on load sense/dual load zone module
white connector J4 pin 3 to wirer 39A.
Check pin #5 for 12 volts. If no voltage present
when operating down function check section 5 for
module information.
3. Loose or broke wire #13A from load sense/dual
load zone module white connector J4 pin 5 to
harness plug pin #3.
Check continuity. Replace if defective.
4. Loose or broke wire #13A from harness plug pin
#3 to boom down valve 4H-13A.
Check continuity. Replace if defective.
5. Loose or broken wire #02 from turret harness
plug to boom down valve 4H-13A.
Check continuity. Replace if defective.
6. Defective boom down coil 4H-13A. Check continuity and resistance through coil. Re-
place if defective.
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