TM 55-2210-224-34
Table 3-1. INTERMEDIATE DIRECT SUPPORT AND INTERMEDIATE GENERAL SUPPORT
TROUBLESHOOTING (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
11. BRAKE PIPE PRESSURE DOES NOT REDUCE AT EMERGENCY RATE.
Step 1. Check for leak in pipe 53.
Locate leakage and repair or replace pipe 53.
Step 2. Check for defective front and/or rear #8 vent valve.
Disassemble, clean, and repair or replace #8 vent valve (para 4-14).
Step 3. Check for defective A-1 charging cutoff pilot valve
. (Refer to malfunction 24.)
Disassemble, clean, and repair or replace A-1 charging cutoff pilot valve (para 4-15).
Step 4. Check for defective automatic brake valve
. (Refer to malfunctions 21 and 22.)
Disassemble, clean, and repair or replace automatic brake valve (para 4-11).
12. UNABLE TO RECOVER FROM AN EMERGENCY APPLICATION.
Step 1. Check for brake open to atmosphere.
Repair or replace piping.
Step 2. Check for defective No
. 24 double check valve in pipes 9 and 35.
Replace No. 24 double check valve (para 3-54).
Step 3. Check for defective A-1 charging cutoff pilot valve
. (Refer to malfunction 24.)
Disassemble, clean, and repair or replace charging cutoff pilot valve (para 4-15).
Step 4. Check for defective automatic brake valve.
Disassemble, clean, and repair or replace automatic brake valve (para 4-11).
Step 5. Check for stuck open front or rear #8 vent valve.
Disassemble, clean, and repair #8 vent valve (para 4-14).
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