TM 5-4320-306-10Table 2-1. Operator's Controls and Indicators - ContinuedKeyControl or IndicatorFunction14Liquid level gageIndicates fuel level in fuel tank. Mounted on the fuel tanknear the fill cap.15Restriction indicatorIndicates blockage of air filter. A red indicationappears in window to indicate the need for cleaningor replacement. Indicator is connected to air inlethousing by a flexible hose. It is actuated by highnegative pressure. Indicator can be reset.16Discharge check valve6-inch check valve on discharge manifold. Opens auto-matically when discharge pressure is reached. If liquidbeing discharged backs up, the check valve closes to keepliquid from backing up into the pump. Can be openedmanually for draining the pump. Can be closed manuallyto hold liquid in the pump for priming.2-4
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business