TM 10-4130-237-14
4-32.
RELIEF VALVE REPAIR (CONT)
c. Adjustment
1 Loosen locknut on relief valve.
2 Startup water chiller (para 2-6a). Turn START RUN water control to START position. Dispense water
from relief valve into a l–gallon (3.8–liter) pail.
3 Measure time it takes to fill pail. If relief valve is properly adjusted, it should take 10 seconds to fill pail.
4 Turn relief valve screw right to decrease flow. Turn left to increase flow.
5 Adjust until proper flow rate is achieved.
6 Tighten locknut on relief valve, being careful not to disturb adjustment of relief valve screw.
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