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

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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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Contents NXT Air Motor Important Safety InstructionsRelated Manuals ContentsFire and Explosion Hazard Pressurized Equipment Hazard Uses a smaller muffler. Limited use ModelsModel M04LT0 shown Component IdentificationM18xxx models have two mufflers C Air regulator Bleed-type master air valveAir filter Problem Cause Solution TroubleshootingReplace Complete Air Valve RepairDisassemble the Air Valve Replace Seals or Rebuild Air ValveAir valve assembly Reassemble the Air Valve Air valve u-cup installationCoupling nut removal Disconnect the Air Motor13 mm Disassemble the Air MotorReassemble the Air Motor Tie BoltAir Motor Torque Air motor u-cup installationParts Description Qty M02xxx M04xxx M07xxx M12xxx M18xxx M34xxx Air Motor Parts All ModelsSOLENOID/REED Switch Air Valve Parts End Cap Kit Other Air Valve AirValve Description Qty Repair KitKits and Accessories Air Motor Weight Model Inch mm Lb kg M02xxx M04xxx M07xxx DimensionsM02xxx 2.5 M04xxx 3.5 Mounting Hole DiagramsM07xxx 4.5 M18xxx 7.5 in. and M34xxx 7.5 M12xxx 6Technical Data Graco Information Graco Standard Warranty