TM 10-3930-669-20 3.  PIVOT CYLINDER DOES NOT OPERATE OR OPERATES SLOWLY (CONT). KNOWN INFO Lift,    shift,    and    tilt    cylinders operate. Pivot cylinder pins OK. POSSIBLE PROBLEMS Hydraulic hoses to pivot cylinder loose or damaged. Pivot   control   cable   damaged or unadjusted. Stack valve faulty. Pivot cylinder faulty. Pivot shaft bearings faulty. KNOWN INFO Lift,    shift,    and    tilt    cylinders operate. Pivot cylinder pins OK. Hydraulic hoses to pivot cylinder OK. POSSIBLE PROBLEMS Pivot   control   cable   damaged or unadjusted. Stack valve faulty. Pivot cylinder faulty. Pivot shaft bearings faulty. TEST OPTIONS Visual inspection. REASON FOR QUESTION If hose(s) is loose or damaged,   pivot   cylinder   will not operate. TEST OPTIONS Visual inspection. REASON FOR QUESTION If pivot control cable is damaged    or    adjusted,    pivot cylinder will not operate or will operate slowly. 2-438