erratic forward travel - Technical Troubleshooting discussion in Forkliftaction's forums

Skyjack SJ111-3219:
erratic forward travel

I have an 2008 SJ111 3219. It has a surge problem in forward and to a lesser extent in reverse. It doesn't seem to transition from slow to high speed. It just goes to high which makes it jerk. reverse seems better but still not as it should be. I just bought this machine at auction. My previous unit was very smooth. I have no idea if the joystick has been replaced before. Is this electrical or hydraulic in nature??

Posted 20 Nov 2019 01:46
Discussion started by kenoverbey
Tennessee, United States

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Normally pot problem or ramp adjustment off on joystick card, can also be Vickers valve issue. Cheapest way to verify is borrow another skyjack control box. If issue continues with other box most likely Vickers valve or electrical issue in wires #15 and #16 or #59 but if works well with other box...change out joystick...recommend OEM

Posted 19 Feb 2024 15:06
Modified 21 Feb 2024 03:13 by poster
Reply by Matthew_Reed
New York, United States

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I have a drive surge issue with my 2015 3226 as well. It surges in forward while going slow. I have not noticed it in reverse. I would like to know what causes this as well.

Posted 13 Feb 2024 04:39
Reply by Thomas_Bolin
New Mexico, United States

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