TM 9-2320-361-20 4-23. OIL PRESSURE SENDING UNIT REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: APPLICABLE MODELS EQUIPMENT CONDITION All Parking brake set (TM 9-2320-361-10). MATERIALS/PARTS Hood raised and secured (TM 9-2320-361-10). Battery ground cable disconnected (para. 4-48). Antiseize tape (Appendix C, Item 27) Remove air cleaner assembly (para. 3-15). REFERENCES [TM) TM 9-2320-361-10 TM 9-2320-361-20P CAUTION The 60 psi and 120 psi gages and sending units are not interchangeable. Do not interchange the 60 psi gage or sending unit with a 120 psi gage or sending unit. NOTE Do not remove elbow and adapter unless items require replacement. 1. Disconnect wire (1) from oil pressure sending unit (2). 2. Remove oil pressure sending unit (2) from adapter fitting (3). 3. Remove adapter fitting (3) and elbow (4) from engine (5). NOTE Clean all male pipe threads and wrap with antiseize tape before installation. 1. Install elbow (4) and adapter fitting (3) on engine (5). 2. Install oil pressure sending unit (2) in adapter (3). 3. Connect wire (1) to oil pressure sending unit (2). FOLLOW-ON TASKS: Install air cleaner assembly (para. 3-15). Connect battery ground cable (para. 4-48). Start engine (TM 9-2320-361-10) and check for oil leaks around adapter and elbow. Check for proper operation of oil pressure gage (TM 9-232-361-10). 4-38