TM 9-2320-361-20 4-11. AIR PRESSURE GAGE REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: APPLICABLE MODELS All MATERIALS/PARTS Two lockwashers Antiseize tape (Appendix C, Item 27) REFERENCES [TM) TM 9-2320-361-10 TM 9-2320-361-20P EQUIPMENT CONDITION ● Parking brake set (TM 9-2320-361-10). ● Air reservoirs drained (TM 9-2320-361-10). ● Battery ground cable disconnected (para. 4-48). GENERAL SAFETY INSTRUCTIONS Do not disconnect air lines before draining air reservoirs. a. Removal 1. Turn four lockstuds (8) ¼ turn to left and pull instrument cluster (6) away from instrument panel (5). WARNING Do not disconnect air lines before draining air reservoirs. Small parts under pressure may shoot out with high velocity, causing injury to personnel. NOTE Location of gages on instrument cluster may vary for M44A2 series trucks. Install gages in their original locations. 2. Disconnect air line (1) from air pressure gage (7). 3. Remove two nuts (2), lockwashers (3), and gage mounting bracket (4) from air pressure gage (7). Discard lockwashers (3). 4. Remove air pressure gage (7) from front of instrument cluster (6). 1. 2. 3. 4. 4-20 Position air pressure gage (7) through front of instrument cluster (6). Position gage mounting bracket (4) on air pressure gage (7) and install with two new lockwashers (3) and nuts (2). NOTE Clean male pipe threads and wrap with antiseize tape before installation. Connect air line (1) to air pressure gage (7). Position instrument cluster (6) on instrument panel (5) and lock in place by turning four lock- studs (8) 1/4 turn to right.