TM 55-1930-209-14&P-21(4)Apply air pressure and release parking brake.(5)Loosen adjusting nuts where the brake bands are joined.NOTEAfter two adjustments of removing all four 1/8 inch shims, a 1/2 inch shim may be removed andreplaced with four 1/8 inch shims. This can be continued until all three 1/2 inch shims have beenremoved.(6)Remove two 1/8 inch shims and retighten adjusting nuts to 121 Ib-ft torque.(7)Apply parking brake and set band stop screws and cam roller to clearances shown in figure 3-7. Reset thejam nuts as necessary.(8)Apply and release the service brake and measure crank travel. Adjusted travel should not be less thanone inch.Figure 3-7. Front and Rear Brake Drum Adjustment.3-16
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