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TM 9-2330-272-14
Table 4-2. Organizational Troubleshooting (Con’t).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 2.
Step 3.
Step 4.
Step 5.
Step 6.
Check for loose cable in adjusting bolt at operator control.
Tighten nuts at adjusting bolt (para 4-96).
Check for loose conduit to frame adapter nut.
Tighten nut.
Check for looseness of U-bolt nuts at emergency relief valve end of cable.
Tighten U-bolt nuts.
Check for loose nuts on emergency relief valve mounting flange.
Tighten nuts.
Check for leaking emergency relief valve.
Replace emergency relief valve (para 4-95).
23. EMERGENCY RELIEF VALVE OPERATOR CONTROL OPERATES IMPROPERLY.
Step 1.
Step 2.
Step 3.
Step 4.
Check for adequate lubrication of control cable assemblies.
Lubricate control cable assemblies (Chapter 3, Section l).
Check for looseness of cable at emergency relief valve lever or control box handle.
Tighten nuts at each end of cable as required.
Check adjustment on trip lever and front emergency relief valve shutoff.
Perform adjustment of emergency relief valve operator control (para 4-96).
Check for broken wire rope in tubing.
Replace control cable assembly (para 4-97).
24. GATE VALVES OPERATE IMPROPERLY.
Check for leaks around handwheel stem.
Open valve one full turn. Tighten stuffing box nut. Close valve.
25. MANIFOLD OPERATES IMPROPERLY.
Step 1.
Check for leaks at rear of manifold.
Tighten coupler nuts.
Step 2.
Check for leaks around handwheel stems.
Open valves one full turn. Tighten stuffing box nuts. Close valves.
4-18
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