PRIMARY HYDRAULIC PUMP RETURN HOSE REPLACEMENT

PRIMARY HYDRAULIC PUMP PRESSURE HOSE REPLACEMENT continued - TM-1-1520-238-23-4_700

PRIMARY HYDRAULIC PUMP RETURN HOSE REPLACEMENT continued

TM-1-1520-238-23-4 Helicopter Attack AH-64A Apache (NSN 1520-01-106-9519) (EIC: RHA) Manual
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TM 1-1520-238-23 7-24 7.6. PRIMARY HYDRAULIC PUMP RETURN HOSE REPLACEMENT 7.6.1. Description This task covers: Removal. Cleaning. Inspection. Installation. 7.6.2. Initial Setup Tools: Aircraft mechanic’s tool kit (item 376, App H) Light duty laboratory apron (item 27, App H) Industrial faceshield (item 129, App H) Chemical protective gloves (item 154, App H) 1 & 1 1/8-inch open end wrench (item 417, App H) Materials/Parts: Hydraulic fluid (item 92, App F) Personnel Required: 67R Attack Helicopter Repairer 67R3F Attack Helicopter Repairer/Technical Inspector Equipment Conditions: Ref Condition 1.57 Helicopter safed 2.2 Access panel L200 removed 7.3 Primary hydraulic system vented 7.6.3. Removal a. Remove primary hydraulic pump return hose (1) from union (2). (1) Place rags under hose (1) to catch hydraulic fluid spills. (2) Hold union (2). Remove nut (3). Use open end wrench. b. Remove hose (1) from reducer (4). (1) Hold reducer (4). Remove nut (5). Use open end wrench. (2) Remove and discard hose (1). GO TO NEXT PAGE M04-732-1 M04-732-2 4 5 1 2 3

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