Telescopic Boom Series
Models SJ61T & SJ66T
194312
December 2007
Page 125
Section 4 - Troubleshooting Information
Service and Maintenance
10.
Loose or broken wire #41 from plug B pin #11 to platform terminal block.
-
Check continuity. Replace if defective.
11.
Open diode D41 located in platform terminal block.
-
Check diode. Replace if defective.
-
4.1-27 No Manual Platform Level Down From Base Control Console
1.
Loose or broken wire #10A from ignition/ pump switch S5 to platform level switch S15.
-
Check continuity. Replace if defective.
2.
Defective platform level switch S15.
-
Check continuity through switch while activating level down function between wires #10A and
#40. If no continuity found replace switch.
3.
Loose or broken wire #40 from platform level switch S15 to base terminal block.
-
Check continuity. Replace if defective.
4.
Loose or broken wire #40 from base terminal block to turret harness pin plug pin #14.
-
Check continuity. Replace if defective.
5. Loose or broken wire #40 from turret harness pin plug pin #14 platform level down valve 4H-40.
-
Check continuity. Replace if defective.
6.
Loose or broken wire #02 from turret harness pin plug platform level down valve 4H-40.
-
Check continuity. Replace if defective.
7.
Defective platform level down valve coil 4H-40.
-
Check continuity and resistance through coil. Replace if defective.
8.
Loose or broken wire #40 from base terminal block to base connector plug B pin #10.
-
Check continuity. Replace if defective.
9.
Loose or broken wire #40 in boom cable B or its connectors.
-
Check for continuity between pins #10 on cable B. Check for loose or corroded connections
on cable connectors. Replace if wire is defective.
10.
Loose or broken wire #40 from plug B pin #10 to platform terminal block.
-
Check continuity. Replace if defective.
11.
Open diode D40 located in platform terminal block.
-
Check diode. Replace if defective.
4.1-28 No Manual Platform Level Up From Platform Control Console
NOTE
This function times out after 15 seconds when operating this
function only.
1.
Loose or broken wire #08 from platform terminal block to platform level switch S19.
-
Check continuity. Replace if defective.
2.
Defective platform level switch S19.
-
Check continuity through switch while activating level up function between wires #08 and #41.
If no continuity found replace switch.
3.
Loose or broken wire #41 from platform level switch S19 to platform terminal block.
-
Check continuity. Replace if defective.
4.
Open diode D41 located in platform terminal block.
-
Check diode. Replace if defective.
Summary of Contents for SJ61T
Page 1: ...TELESCOPIC BOOMS MODELS SJ61T SJ66T 194312AE February 2017 SERVICE MANUAL...
Page 42: ...Page 42 December 2007 Telescopic Boom Series Models SJ61T SJ66T 194312 Notes...
Page 230: ...Page 230 December 2007 Telescopic Boom Series Models SJ61T SJ66T 194312 Notes...
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Page 232: ...www skyjack com P litelig lift l sninger av folk som bryr seg...
