TM 55-2210-224-34
Table 3-1. INTERMEDIATE DIRECT SUPPORT AND INTERMEDIATE GENERAL SUPPORT
TROUBLESHOOTING (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
13. EMERGENCY APPLICATION OCCURS DURING SERVICE APPLICATION.
Step 1. Check for defective front or rear #8 vent valve.
Disassemble, clean, and repair or replace #8 vent valve (para 4-14).
Step 2. Check for leaking brake pipe piping and fittings.
Locate leakage and tighten or replace piping and/or fittings.
Step 3. Check for defective brake pipe exhaust choke plug in automatic brake valve.
Replace exhaust choke plug (para 4-11).
14. INDEPENDENT BRAKE DOES NOT APPLY OR IS TOO WEAK.
Step 1. Check for a leak in piping system.
Locate leakage and repair or replace piping.
Step 2. Check for defective No
. 24 double check valve in pipe 12.
Replace No. 24 double check valve (para 3-54).
Step 3. Check for defective independent brake valve
. (Refer to malfunction 23.)
Disassemble, clean, and repair or replace i
ndependent brake valve (para 4-12).
15. INDEPENDENT BRAKE DOES NOT FULLY RELEASE.
Step 1. Check for automatic brake valve not in release position.
Set automatic brake valve in release position.
Step 2. Check for defective No
. 24 double check valve in pipe 12.
Replace No. 24 double check valve (para 3-54).
Step 3. Check for defective independent brake valve
. (Refer to malfunction 23.)
Disassemble, clean, and repair or replace independent brake valve (para 4-12).
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