TM 55-2210-223-34
TO 45A2-2-14-22
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
14. INDEPENDENT BRAKE DOES NOT APPLY OR IS TOO WEAK.
Step 1. Check to see if there is a leak in piping system.
Locate leakage and repair or replace piping.
Step 2. Check to see if double check valve in pipes 16 and 20 is defective.
Disassemble, clean, and repair or replace double check valve (para 3-54).
Step 3. Check to see if independent brake valve is defective. (Refer to malfunction 23.)
Disassemble, clean, and repair or replace independent brake valve (para 4-12).
15. INDEPENDENT BRAKE DOES NOT FULLY RELEASE.
Step 1. Check to see if automatic brake valve is set.
Set automatic brake valve.
Step 2. Check to see if double check valve in pipes 16 and 20 is defective.
Disassemble, clean, and repair or replace double check valve (para 3-54).
Step 3. Check to see if independent brake valve is defective. (Refer to malfunction 23.)
Disassemble, clean, and repair or replace independent brake valve (para 4-12).
16. AUTOMATIC BRAKE CYLINDER PRESSURE FAILS TO APPLY OR APPLIES AND RELEASES.
Step 1. Check to see if piping or fittings between 6-NFR distributing valve and No. 24 double check valve are
leaking.
Locate leakage and tighten or replace piping and/or fittings.
3-12
