TM 9-2320-361-20 8-37. TRAILER BRAKE HOSE MAST REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: APPLICABLE MODELS REFERENCES (TM) M275A2 TM 9-2320-361-10 MATERIALS/PARTS TM 9-2320-361-20P Lockwasher EQUIPMENT CONDITION Parking brake set (TM 9-2320-361-10). 1. Remove two air hoses (1) and (5) from ring (3) and holder (6), and electrical cable (8) from ring (2) and clip (7). 2. Remove nut (12), lockwasher (11), and washer (10) from screw (9). Discard lockwasher (11). 3. Remove mast (4) from base (13). b. Installation 1. Install mast (4) on base (13) with washer (10), new lockwasher (11), and nut (12) on screw (9). 2. Install electrical cable (8) on clip (7) and ring (2), and hoses (5) and (1) on holder (6) and ring (3). 8-88