TM 10-3930-659-20 17-22.    TRANSMISSION CLUTCH CUTOFF VALVE-TO-HYDRAULIC RESERVOIR HOSE REPLACEMENT. This task covers: a. Removal b. Installation INITIAL SETUP: Equipment Conditions: Materials/Parts: •    Parking brake set (see TM 10-3930-659-10). • Rags (Item 27, Appendix C) •    Frame locking bar installed(see TM 10-3930- • Four preformed packings •    Hydraulic reservoir drained(see LO 10-3930-    References: 659-12). • LO 10-3930-659-12 •    Right side cab skirt removed (see paragraph • TM 10-3930659-10 14-6). Tools/Test Equipment: •    General mechanic's tool kit (Item 44, Appendix F) NOTE A  suitable  container  should  be  used  to  catch  any  draining  hydraulic  fluid. Ensure that all spills are properly cleaned. a. REMOVAL 1. Remove hose (5) and preformed packing (6) from adapter (7).Discard preformed packing. 2. Remove  adapter  (7)  and  preformed  packing  (8)  from  transmission  clutch  cutoff  valve  (9).Discard  preformed packing. 3. Remove hose (5) and preformed packing (4) from elbow (3).Discard preformed packing. 4. Remove elbow (3) and preformed packing (2) from hydraulic reservoir (1).Discard preformed packing. b. INSTALLATION 1. Install new preformed packing (2) and elbow (3) on hydraulic reservoir (1). 2. Install new preformed packing (4) and hose (5) on elbow (3). 3. Install new preformed packing (8) and adapter (7) on transmission clutch cutoff valve (9). 4. Install new preformed packing (6) and hose (5) on adapter (7). 17-68