TM 10-3930-669-20 2.  TILT CYLINDERS DO NOT OPERATE OR OPERATE SLOWLY (CONT). KNOWN INFO Lift, shift, and pivot cylinders operate. Tilt cylinder pin(s) OK. Hoses to tilt cylinders OK. Tilt control cable OK. Stack valve OK. POSSIBLE PROBLEMS Tilt cylinder faulty. Mast tit faulty. KNOWN INFO Lift, shift, and pivot cylinders operate. Tilt cylinder pin(s) OK. Hoses to tilt cylinders OK. Tilt control cable OK. Tilt cylinders OK. Mast tilt OK. POSSIBLE PROBLEMS TEST OPTIONS Tilt cylinder test. REASON FOR QUESTION If tilt cylinders are faulty, tilt cylinders will not operate or will operate slowly.  If tilt cylinders are OK, mast tilt is faulty. TEST OPTIONS Verify repair. REASON FOR QUESTION If tilt cylinders operate normally, fault has been corrected. 2-434