TM 9-2320-361-34 16-10. CONTROL VALVE REPLACEMENT (M342A2) THIS TASK COVERS: a. Removal b. Installation INITIAL SETUP APPLICABLE MODELS REFERENCES (TM) M342A2 TM 9-2320-361-34P TOOLS EQUIPMENT CONDITION General mechanic’s tool kit (Appendix B, Item 1) ● Hydraulic pump removed (para. 16-12). ● Control box removed (para. 16-11). MATERIALS/PARTS GENERAL SAFETY INSTRUCTIONS Fifteen lockwashers (Appendix F, Item 125) ● Wear eye protection when working with hydraulic Two gaskets (Appendix F, Item 73) hoses. Gasket (Appendix F, Item 74) ● Wear eye protection when removing plugs. WARNING Wear eye protection when working with hydraulic hoses. Fluid in hoses may be under pressure. Failure to wear eye protection may result in injury to personnel. CAUTION Cap or plug all openings immediately after disconnecting lines and hoses to prevent contamination. Remove caps or plugs prior to installation. Failure to do so may result in damage to equipment. a. Removal NOTE ● Tag hydraulic lines for installation. ● Have drainage container ready to catch hydraulic fluid. 1. Disconnect six hydraulic lines (5) from two manifolds (4). 2. Remove seven screws (6), lockwashers (7), cover (8), gasket (10), valve (3), and gasket (2) from hydraulic tank (9). Discard lockwashers (7) and gaskets (2) and (10). 3. Remove eight screws (1), lockwashers (13), adapter (12), and gasket (11) from valve (3). Discard lockwashers (13) and gasket (11). 4. Remove two manifolds (4) from valve (3). b. Installation WARNING Wear eye protection when removing plugs. Plugs are under spring tension and may spring out during removal. Failure to wear eye protection may result in injury to personnel. 1. Install two manifolds (4) on valve (3). 2. Install new gasket (11) and adapter (12) on valve (3) with eight new lockwashers (13) and screws (1). 3. Install new gasket (2) and valve (3) on hydraulic tank (9) with new gasket (10), cover (8), and seven new lockwashers (7) and screws (6). 4. Connect six hydraulic lines (5) on two manifolds (4). 16-66