TM 10-3930-669-20 1.  NO LIFT/SHIFT OR PIVOT/TILT FUNCTIONS (CONT). KNOWN INFO Transmission operates. Hydraulic fluid level OK. POSSIBLE PROBLEMS Hydraulic reservoir to pump main hydraulic hose leaking or damaged. Hydraulic pump faulty. TEST OPTIONS Visual inspection. REASON FOR QUESTION If     main     hydraulic     hose     is faulty, hydraulic cylinders will not operate. If main hydraulic hose is OK, hydraulic pump is faulty. 2-424