TM 10-3930-659-20 17-24.    CARRIAGE TILT CYLINDER LUBRICATION HOSE REPLACEMENT (Con’t). 2. Remove  screw  (6)  and  clamp  (5)  from  locking control valve (4). 3. Remove  clamp  (5),  lubrication  fitting  (8),  and pipe coupling (7) from hose (3). b. INSTALLATION 1. Install clamp (5), pipe coupling (7), and lubrication fitting (8) on hose (3). 2. Install clamp (5) on locking control valve (4) with screw (6). 3. Install hose (3) on carriage tilt cylinder (2). 4. Install new tie-down strap (1) on hose (3). FOLLOW-ON TASKS: • Lubricate carriage tilt cylinder pivot point (see LO 10-3930-659-12). TA707666 17-77