JLG 60H - Drive wheels STOP when turn switch is used

Hope this is ok, Im cross posting this here as other manlift issues have been discussed in this area instead of Forklifts and Telehandlers. I guess I posted in the wrong Topic earlier. Apologies.
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Hello all,
I have no experience with this type of equipment. Im all automotive and aviation.
We have a JLG 60H man lift that sat for a while. When moving the Lift and attempting to use the turn switch, it abruptly stops the 2WD wheels, resulting in a rather jarring...

JLG 60H - Drive wheels STOP when turn switch is used

JLG 60H - Drive wheels STOP when turn switch is used