Hitachi 236464 manual Air Line Accessories

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Installation

System Accessories (continued)

WARNING

A bleed-type master air valve (E) and a fluid drain valve (M) are required in your system. These accessories help reduce the risk of serious injury, including fluid injection and splashing of fluid in the eyes or on the skin, and injury from moving parts if you are adjusting or repairing the pump.

The bleed-type master air valve relieves air trapped between this valve and the pump after the air is shut off. Trapped air can cause the pump to cycle unexpectedly. Locate the valve close to the pump. Order Part No. 107141.

The fluid drain valve assists in relieving fluid pres- sure in the displacement pump, hose, and gun. Triggering the gun to relieve pressure may not be sufficient. Order Part No. 235992.

Air Line Accessories

Install the following accessories in the locations shown in Fig. 2, using adapters as necessary:

DAn air line lubricator (D) provides automatic air motor lubrication.

DA bleed-type master air valve (E) is required in your system to relieve air trapped between it and the air motor when the valve is closed (see the WARNING above). Be sure the bleed valve is eas- ily accessible from the pump, and is located downstream from the air regulator.

DAn air regulator (F) controls pump speed and out- let pressure by adjusting the air pressure to the pump. Locate the regulator close to the pump, but upstream from the bleed-type master air valve.

DA pump runaway valve (C) senses when the pump is running too fast and automatically shuts off the air to the motor. A pump which runs too fast can be seriously damaged.

DAn air manifold (G) has a 3/4 npsm(f) swivel air inlet. It mounts to the pump support bracket, and provides ports for connecting lines to air-powered accessories.

DAn air line filter (J) removes harmful dirt and moisture from the compressed air supply. Also, install a drain valve (W) at the bottom of each air line drop, to drain off moisture.

DA second bleed-type air valve (K) isolates the air line accessories for servicing. Locate upstream from all other air line accessories.

Fluid Line Accessories

Install the following accessories in the locations shown in Fig. 2, using adapters as necessary:

DA fluid filter (L) with a 60 mesh (250 micron) stainless steel element, to filter particles from the fluid as it leaves the pump.

DA fluid drain valve (M), which is required in your system, helps relieve fluid pressure in the hose and gun (see the WARNING at left).

DA gun (S) dispenses the fluid. The gun shown in Fig. 2 is an airless spray gun for light to medium viscosity fluids.

DA gun swivel (R) allows freer gun movement.

DA suction kit (T) allows the pump to draw fluid from a supply container.

CAUTION

To prevent intake valve damage, always apply PTFE tape to the female threads of the intake valve before connecting a suction hose or fitting to the intake.

8308350

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Contents Instructions Parts List Dura-Flot600 PumpsTable of Contents List of ModelsSymbols Equipment Misuse HazardInjection Hazard Moving Parts HazardFire and Explosion Hazard Toxic Fluid Hazard308350 Installation System AccessoriesGeneral Information Grounding Object being sprayed follow your local codeAir Line Accessories Typical Installation KEYOperation/Maintenance Pressure Relief ProcedurePacking Nut/Wet-Cup 110Starting and Adjusting the Pump Flush the Pump Before First UseShutdown and Care of the Pump FlushingCompatible solvent Troubleshooting ChartIts stroke keep the wet-cup 1/3 filled with a Service Disconnecting the Displacement PumpReconnecting the Displacement Pump Required Tools101 105 108 107 106 110 109Displacement Pump Service DisassemblyTorque to 258-285 NSm 190-210 ft-lb Reassembly 10 Ref 11 Ref Install the seal 11* on the bottom Housing 7 onto the cylinder handtight.Sealing surface of the intake housing Using a pipe wrench, torque the intake housing102Y 107 106 110 Parts101 105 108 109 102Y 107 106 110 Part No Pump, Series a 251 Ratio, with Senator Air Motor 101 105 108 109102Y 107 110 106 112 113Throat Packing Stack see Piston Packing Stack SeePacking Kits Teflonr Packing Kit 237236 OptionalUHMWPE/Leather Packing Kit 237238 Optional UHMWPE/PTFErPacking Kit 237609 OptionalTechnical Data Tested in accordance with ISOLiters/min 11.4 Dimensions Mounting Hole LayoutGraco Standard Warranty Graco Information

236464 specifications

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