TM 10-4130-237-144-32.RELIEF VALVE REPAIR (CONT)c. Adjustment1 Loosen locknut on relief valve.2 Startup water chiller (para 2-6a). Turn START RUN water control to START position. Dispense waterfrom 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.4-93
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