Skyjack SJ3219 Service Manual page 2
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Also See for SJ3219:
- Operating manual (89 pages) ,
- Service manual (114 pages) ,
- Operation manual (114 pages)
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Table of Contents
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Do you have a question about the SJ3219 and is the answer not in the manual?
Questions and answers
Brake will not release
The brake on the Skyjack SJ3219 may not release due to the following reasons:
1. Defective or sticking brake valve (3H-17) – Clean the valve and replace it if defective.
2. Plugged brake orifice (04) – Remove the orifice, clean it, and reinstall.
3. Defective brake cylinder (C4) – Rebuild the cylinder or replace it if damaged.
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my unit operates properly from the ground, but when using the platform control, it literally starts and stops while going up or steering right
Possible causes for the Skyjack SJ3219 to start and stop while going up or steering right when using the platform control include:
1. A defective up/down switch (S2) on the control console.
2. Loose or broken wires between the switch and terminal block (e.g., wire #14E for up function).
3. An open or defective diode (e.g., D14E-1 or D14E) in the control circuit.
These issues can interrupt electrical continuity and cause intermittent operation.
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