12-88. TM 9-2320-361-20 This task covers: a. Removal b. Installation INITIAL SETUP: APPLICABLE MODELS EQUIPMENT CONDITION M764 Parking brake set (TM 9-2320-361-10). REFERENCES (TM) TM 9-2320-361-10 TM 9-2320-361-20P Remove air breather valve (1), gage (2), washer (3), and oil filter screen (4) from tank (5). Install oil filter screen (4), washer (3), gage (2), and air breather valve (1) on tank (5). 12-143