113
SJ30AJE, SJ30ARJE
196274AF
Electrical System
Section 4 – Troubleshooting Information
4.2-35 No Jib Rotate Right from Platform Control Console
1.
Loose or broken wire #08 from platform terminal
block to jib rotate switch S10.
Check continuity. Replace if defective.
2.
Defective jib rotate switch S10.
Check continuity through switch while activating
rotate right function between wires #08 and #43.
3.
Loose or broken wire #43 from jib rotate switch
S10 to platform terminal block.
Check continuity. Replace if defective.
4.
Open or defective diode D43-1.
Check diode. Replace if defective.
5.
Loose or broken wire #42A from platform
terminal block to valve driver pin #15.
Check for 12 volts at pin #15. Check continuity.
Replace if defective.
6.
No output on pin #23 of the valve driver to wire
#20A.
Check pin #23 for proportional voltage. This
voltage varies with the A3 boom speed control. If
no voltage present with foot on footswitch check
section 5 for OCM pin voltage reference.
7.
Loose or broken wire #43 or #02 from platform
terminal block to rotate right valve 4H-43.
Check continuity. Replace if defective.
8.
Defective rotate right valve coil 4H-43.
Check continuity and resistance through coil.
Replace if defective.
NOTE
Platform level function will not operate if you are commanding any other boom function.
Содержание SJ30AJE
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