Skyjack SJ46 AJ+ Service Manual

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229042ABA SJ46 AJ+, SJ46 AJ, SJ51 AJ
Section 4 – Troubleshooting Information Electrical System - ANSI/CSA
4.2-7 No Boom Up from the Base or Platform Controls
1. Loose or broken wire #14 from base control
module connector J2 pin 5 base terminal block to
turret harness plug pin #2
Check continuity. Replace if defective
2. Loose or broken wire #14 from turret harness
plug pin #2 to boom up valve 4H-14
Check continuity. Replace if defective
3. Loose or broken wire #02 from turret harness
plug to boom up valve 4H-14
Check continuity. Replace if defective
4. Defective boom up coil 4H-14 Check continuity and resistance through coil.
Replace if defective
4.2-8 No Boom Up from the Base Console
1. Loose or broken wire #10A from IGN switch S5
to boom switch S12
Check continuity. Replace if defective
2. Defective boom switch S12 Check continuity through switch while activating
boom up function between wires #10A and #14B.
Replace switch if no continuity
3. Loose or broken wire #14B from boom switch
S12 to base control module connector J2 pin 15
Check continuity. Replace if defective
4.2-9 No Boom Up from the Platform Console
1. Loose or broken wire #04 from platform terminal
block to joystick controller A1
Check continuity. Replace if defective
2. Loose or broken wire #02 from platform terminal
block to joystick controller A1
Check continuity. Replace if defective
3. No output on y-axis of joystick controller A1 Refer to joystick test procedure in section 5
4. Loose or broken wire “Y” from joystick controller
to J13 pin #16 of platform control module
Check continuity. Replace if defective
4.2-10 No Boom Down from the Base or Platform Consoles
1. Loose or broken wire #13 from base control
module connector J2 pin 6 base terminal block to
turret harness plug pin #1
Check continuity. Replace if defective
2. Loose or broken wire #13 from turret harness
plug pin #1 to boom down valve 4H-13
Check continuity. Replace if defective
3. Loose or broken wire #02 from turret harness
plug to boom down valve 4H-13
Check continuity. Replace if defective
4. Defective boom down coil 4H-13 Check continuity and resistance through coil.
Replace if defective
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Skyjack SJ46 AJ+ Specifications

General

Brand	Skyjack
Model	SJ46 AJ+
Category	Boom Lifts
Language	English