TM 55-2210-223-34
TO 45A2-2-14-22
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
9. AUTOMATIC BRAKE DOES NOT APPLY FOLLOWING A BRAKE PIPE REDUCTION. (cont)
Step 6. Check to see if the brake cylinder cutout cocks are open.
Close brake cylinder cutout cocks.
Step 7. Check to see if brake cylinders are defective.
Disassemble, clean, and repair or replace brake cylinders (para 3-58).
Step 8. Check to see if 6-NFR distributing valve is defective. (Refer to malfunctions 25 thru 28.)
Disassemble, clean, and repair or replace 6-NFR distributing valve (para 4-13).
10. UNDESIRED RELEASE OF AN AUTOMATIC BRAKE APPLICATION BY AN INCREASE IN EITHER EQUALIZING
RESERVOIR OR BRAKE PIPE PRESSURE.
Step 1. Check to see if pipe 16 is leaking.
Locate leakage and repair or replace pipe 16.
Step 2. Check to see if automatic brake valve is defective. (Refer to malfunctions 21 and 22.)
Disassemble, clean, and repair or replace automatic brake valve (para 4-11).
11. BRAKE PIPE PRESSURE DOES NOT REDUCE AT EMERGENCY RATE.
Step 1. Check to see if pipe 53 is leaking.
Locate leakage and repair or replace pipe 53 (para 4-11).
Step 2. Check to see if the front and/or rear #8 vent valve is defective.
Disassemble, clean, and repair or replace #8 vent valve (para 4-14).
Step 3. Check to see if the A-1 charging cutoff pilot valve is defective. (Refer to malfunction 24.)
Disassemble, clean, and repair or replace A-1 charging cutoff pilot valve (para 4-15).
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