TM 10-3930-669-20 2-18.  HYDRAULIC SYSTEM TROUBLESHOOTING (CONT). 2.  TILT CYLINDERS DO NOT OPERATE OR OPERATE SLOWLY. INITIAL SETUP Tools and Special Tools References Tool Kit, General Mechanic's: Automotive TM 10-3930-669-10 (Item 1, Appendix B) Pressure Test Kit (Item 2, Appendix B) STE\ICE-R (Optional) (item 14, Appendix B) Equipment Condition Engine OFF (TM 10-3930-669-10) Personnel Required Parking brake applied (TM 10-3930-669-10) Two Wheels chocked (TM 10-3930-669-10) Materials/Parts Cap and Plug Set (Item 5, Appendix C) Tags, Identification (Item 21, Appendix C) KNOWN INFO Lift, shift, and pivot cylinders operate. POSSIBLE PROBLEMS Tilt cylinder pin(s) damaged or missing. Hydraulic hoses to tilt cylinder(s) leaking or damaged. Tilt control cable damaged or unadjusted. Control valve faulty. Tilt cylinder faulty. Mast tilt faulty. TEST OPTIONS Visual inspection. REASON FOR QUESTION It tilt cylinder pin(s) is damaged or  missing,  the  mast  will  not tilt. 2-428