Hitachi 308996J Service, Required Tools, Disconnecting Displacement Pump

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Service

Required Tools

DSet of adjustable wrenches

DTorque wrench

DVise

DThread lubricant

Disconnecting Displacement Pump

1.Fig. 3. Flush pump, if possible. Stop pump at bottom of its stroke.

WARNING

To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 8.

2.Relieve the pressure.

3.Disconnect air hose and fluid hose.

4.Disconnect displacement pump (109) from motor (101) as follows. Note relative position of pump’s fluid outlet (U) to air inlet (V) of motor. If motor does not require servicing, leave it attached to its mounting.

CAUTION

If you are disconnecting the displacement pump from a motor which is still mounted (for example, on a wall bracket), be sure to support the displacement pump while it is being disconnected, to prevent it from falling and causing injury or property damage.

5.Using needle nose pliers, remove cotter pin (107) from clevis pin (106). Remove clevis pin from displacement rod (1).

6.Hold tie rod flats with wrench to keep rods from turning. Unscrew nuts (108) from tie rods (105). Carefully remove displacement pump (109) from motor (101).

7.Refer to page 14 for displacement pump service. To service air motor, refer to separate motor manual, 308995.

Reconnecting the Displacement Pump

1.Fig. 3. Reconnect displacement pump (109) to motor (101) (see CAUTION at left). Orient pump’s fluid outlet (U) to air inlet (V) as noted in step 4 under Disconnecting the Displacement Pump. Position displacement pump (109) on tie rods (105).

2.Insert clevis pin (106) through piston rod (W) and displacement rod (1). Install cotter pin (107).

3.Screw nuts (108) onto tie rods (105) and tighten.

4.Reconnect all hoses. Reconnect ground wire if disconnected. Fill wet cup (2) 1/3 full of Graco Throat Seal Liquid or compatible solvent.

5.Turn on air supply. Run pump slowly to ensure proper operation.

WARNING

To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 8.

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Contents Instructions Parts List Important Safety InstructionsPart No Pump, Series B, 101 Ratio, with Falcon Air Motor Part No Pump, Series B, 201 Ratio, with Falcon II Air MotorTable of Contents SymbolsSkin Injection Hazard Fire and Explosion Hazard Installation System AccessoriesMounting Accessories General Information Prepare the Operator GroundingAir Line Accessories Fluid Line AccessoriesTypical Installation Operation/Maintenance Pressure Relief Procedure Starting and Adjusting Pump Install the Spray Tip Flush Pump Before First Use Preventive Maintenance Schedule Shutdown and Care of the PumpFlushing Explosion Hazard onTroubleshooting Chart Problem Cause SolutionService Disconnecting Displacement PumpReconnecting the Displacement Pump Required ToolsModel 241594 Shown Disassembly Torque to 30-40 ft-lb 41-54 N.m Torque to 5-20 ft-lb 120-27 NSm *13 Lubricate Reassembly 9097A Parts Description QtyDisplacement Pump, Series B Part Description QtyRepair Kits Repair Kit 241597, for Falcon PumpThroat Seal Repair Kit 241827, for Falcon Pump Piston Repair Kit 241828, for Falcon PumpPiston Repair Kit 241830, for Falcon Pump Piston SST Conversion Kit 15B327, for Falcon PumpTechnical Data Model 241594 Falcon PumpModel 241595 Falcon ll Pump Performance Charts Falcon llDimensions Mounting Hole LayoutGraco Standard Warranty Graco InformationToll Free