12-103. TM 9-2320-361-20 This task covers: a. Removal b. Installation INITIAL SETUP: APPLICABLE MODELS REFERENCES (TM) M756A2 TM 9-2320-361-10 MATERIALS/PARTS Two cotter pins GAA grease (Appendix C, Item 13) TM 9-2320-361-20P EQUIPMENT CONDITION Parking brake set (TM 9-2320-361-10). 1. Remove locking clip (8) and tee handle (13) from upper leg (6) and lower leg (12). 2. Slide upper leg (6) and lower leg (12) from stiff-leg jack housing (3) and remove lower leg (12) from upper leg (6). 3. Remove three hooks (5) from tee handle (13), upper leg (6), locking clip (8), and chain (7). 4. Remove cotter pin (4), straight pin (1), and upper leg (6) from mounting tube (2). Discard cotter pin (4). 5. Remove cotter pin (9), straight pin (11), and foot (10) from lower leg (12). Discard cotter pin (9). 1. Install foot (10) on lower leg (12) with straight pin (11) and new cotter pin (9). 2. Install chain (7) on tee handle (13), locking clip (8), and upper leg (6) with three hooks (5). 3. Install upper leg (6) on mounting tube (2) with straight pin (1) and new cotter pin (4), and slide into stiff-leg housing (3). 4. Apply light coat of GAA grease into upper leg (6) and on lower leg (12). 5. Install lower leg (12) in upper leg (6) with tee handle (13) and locknut clip (8). 12-170