Component Identification

GroundingAccessories

Bleed-type master air valve

See FIG. 2. Verify that the ground screw (GS) is attached and tightened securely to the air motor. Con- nect the other end of the ground wire (U) to a true earth ground.

Trapped air can cause the pump to cycle unexpectedly, which could result in serious injury from splashing or moving parts.

GS U

FIG. 2: Ground wire

ti12914a

Required in your system to relieve air trapped between it and the air motor when the valve is closed.

Be sure the valve is easily accessible from the pump and located downstream from the air regula- tor.

Air regulator

Adjusts air pressure to the motor and fluid outlet pres- sure of pump. Locate it close to the pump. Install a gauge to read air pressure.

Air filter

Removes harmful dirt and moisture from compressed air supply.

312796R

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Graco M18xxx, M34xxx, M04xxx, M02xxx, M12xxx, M07xxx Bleed-type master air valve, Air regulator, Air filter