TM 9-2320-209-34-2-2 c. Disassembly. NOTE If working on trucks M50A1 or M50A2, start with Frame 1. If working on truck M50A3, go to Frame 4. FRAME 1 1. Take off padlock (1). 2. Unlatch handle (2) and pull up yoke (3). 3. Take out and throw away cotter pin (4). 4. Slide out pin (5) and move yoke (3) out of the way. 5. Take off manhole cover (6). 6. Take off and throw away gasket (7). 7. Do steps 1 through 6 again for other manhole cover (6). GO TO FRAME 2 17-342