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Daniel Wilson
Daniel Wilson,
Category: Medium and Heavy Trucks
Satisfied Customers: 1732
Experience:  Owner at DJ Wilson
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I have a 2010 312b. when swinging, turntable stops abrubtly

Customer Question

i have a 2010 312b. when swinging, turntable stops abrubtly at times. need to flutter left and right swing to continue to reengage and turn.
Submitted: 1 year ago.
Category: Medium and Heavy Trucks
Expert:  cat_engines_only replied 1 year ago.
Sounds like your pressure switches are failing on the main control valve. This will also cause the engine speed control to not function correctly.Try using the backup mode switch to override the controller and pressure switches. If the swing brake stays off, replace the implement pressure switch on the main control valve.If this does not fix the problem, the wiring could be damaged or the swing brake solenoid could be failing.