TM 10-3930-659-20 10-8. SERVICE BRAKE RESIDUAL PRESSURE TEST (Con’t). NOTE •  It  Is  necessary  to  hold  boot  of  one  brake  pedal  with  hand  while  opposite brake pedal Is pumped.  Movement Inside boot will be felt as opposite brake pedal is pumped. Accumulator pressure Is relieved when movement stops. • Each brake pedal should be pumped a full 75 times even if no movement is felt after pumping brake pedal several times. 1. Hold  boot  (3)  of  left  brake  pedal  (4)  with  hand and   pump   right   brake   pedal   (1)   75   times. Release boot. 2. Hold boot (2) of right brake pedal (1) with hand and    pump    left    brake    pedal    (4)    75    times. Release boot. 3. Remove hose (5) and preformed packing (6) from tee (9).  Discard preformed packing. 4. Install two preformed packings (10 and 12) on tee (11). 5. Install quick coupler (13) and adapter (14) on tee (11). 6. Install tee (11) on tee (9). 7. Install hose (5) on tee (11). 8. Install hose (7) and pressure gage (8) on adapter (14). 9. Start engine and allow brake system pressure to reach operating pressure (see TM 10-3930-659-10). 10. Shut down engine (see TM 10-3930-659-10). TA706943 10-22