TM-9-2320-209-20-2-1 Page 65

TM-9-2320-209-20-2-1 Troubleshooting Part 1 for M44A1 and M44A2 Series Trucks

Page 65 of 645

TM 9-2320-209-20-2-1 TABLE 6-12. BRAKE SYSTEM TS PROCEDURE RESOURCES REQ’D TEST EQUIPMENT SUBSYSTEM SYMPTOM SUMMARY DETAILED SERVICE 1. Brake pedal pressure Figure 45-1 Figure 44-1 1 BRAKES is spongy 2. No braking action Figure 45-1 Figure 44-2 1 3. Trailer brakes do not work Figure 45-1 Figure 44-3 1 when brake pedal is pressed or hand control is used 4. Brake pedal sinks Figure 45-1 Figure 44-4 1 close to floorboard, or weak braking action 5. One brake drags or truck Figure 45-1 Figure 44-5 1 pulls to one side 6. Brakes drag Figure 45-1 Figure 44-6 1 HANDBRAKE 7. Handbrake does not Figure 45-2 Figure 47-1 1 hold parked truck B. Handbrake assembly drags Figure 45-2 Figure 47-2 1 after handbrake has been put down COMPRESSED 9. Buzzer does not shut Figure 45-3 Figure 48-1 1 AlR off and air pressure gage reads below 60 psi 10. Low, or no reading on Figure 45-3 Figure 48-2 1 air pressure gage, and warning buzzer shuts off 11. Reading on air pressure Figure 45-3 Figure 48-3 1 gage is above normal TA 115254 6-21