TM 10-3930-659-20 17-17.    FORK/BRAKE HYDRAULIC PUMP-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 659-10). Tools/Test Equipment: •    Hydraulic reservoir drained(see LO 10-3930- 659-12). • General mechanic's tool kit (Item 44, Appendix F) •    Left engine upper sideshield opened (see TM   References 10-3930-659-10). • LO 10-3930-659-12 • TM 10-3930-659-10 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 (9) and preformed packing (4) from elbow (3).Discard preformed packing. 2. Remove elbow (3) and preformed packing (2) from fork/brake hydraulic pump (1).Discard preformed packing. 3. Remove hose (9) and preformed packing (8) from adapter (7).Discard preformed packing. 4. Remove adapter (7) and preformed packing (6) from hydraulic reservoir (5).Discard preformed packing. b. INSTALLATION 1. Install new performed packing (6) and adapter (7) on hydraulic reservoir (5). 2. Install new preformed packing (8) and hose (9) on adapter (7). 3. Install new preformed packing (2) and elbow (3) on fork/brake hydraulic pump (1). 4. Install new preformed packing (4) and hose (9) on elbow (3). 17-58