TM 9-2320-387-24-l 8-24. POWER STEERING HYDRAULIC SYSTEM PRESSURE AND RETURN HOSE REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) bIaterials/Parts Three locknuts (Appendix G, Item 109) Two O-ring seals (Appendix G, Item 286) Manual References TM 9-2320-387-10 TM 9-2320-387-24P Equipment Condition l Hood raised and secured (TM 9-2320-387-10). l Battery ground cables disconnected (para. 4-68). General Safety Instructions Do not drain fluid when engine is hot. Maintenance Level Unit NOTE The replacement procedure is basically the same for all hydraulic system pressure and return hoses. This procedure covers the power steering pump-to-hydro-booster return hose and the steering gear-to-hydro-booster pressure hose. I/ WARNING Do not drain fluid when engine is hot. Severe injury to personnel will result. CAUTION Cover or plug all hoses and connections immediately after disconnec- tion to prevent contamination. Remove aII covers or plugs prior to connection. NOTE 1. 2. 3. 4. Have drainage container ready to catch fluid. Loosen two clamps (4) and disconnect return hose (6) from power steering pump (8) and hydro- booster (17). Remove two locknuts (101, washers (ll), and capscrews (12) from clamps (13) and (14). Remove clamps (13) and (5) from return hose (6). Discard locknuts (10). . Remove locknut (7), washer (21, capscrew cl), washer (21, two clamps (5), harness clamp (31, and return hose (6) from power steering lines bracket (9). Remove clamp (5) from return hose (6). Discard locknut (7). Remove pressure hose (15) from hydro-booster (17) and steering gear (18). Remove two O-ring seals (16) from pressure hose (15). Discard O-ring seals (16). b. Installation 1. Install two O-ring seals (16) on pressure hose (15) and connect pressure hose (15) to steering gear (18) and hydro-booster (17). 2. Connect return hose (6) to power steering pump (8) and hydro-booster (17) with two clamps (4). 3. Install clamps (13) and (5) on return hose (6) and secure clamps (13) and (14) with capscrews (121, washers (111, and locknuts (10). 4. Install harness clamp (3) and two clamps (5) on power steering lines bracket (9) with washer (21, capscrew (11, washer (21, and locknut (7). 8-66
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