Hitachi 231327 manual Flushing, When to Flush, How to Flush

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Flushing

When to Flush

1.New Sprayer. This sprayer was factory tested in lightweight oil,which was left in to protect the pump parts.

Before using water–base paint, flush with mineral spirits, followed by a soapy water flush, and then a clean water flush.

Before using oil–base paint, flush with mineral spirits.

2.Changing Colors. Flush with a compatible solvent such as mineral spirits or water.

3.Changing from water–base to oil–base paint. Flush with warm, soapy water, then mineral spirits.

4.Changing from oil–base to water–base paint. Flush with mineral spirits, followed by warm, soapy water, and then a clean water flush.

CAUTION

To prevent pump corrosion, never leave water or any type of paint in the sprayer when it is not in use. Pump the water or the paint out with mineral spirits.

5.Storage.

Water base paint: flush with water, then mineral spirits and leave the pump, hose and gun filled with mineral spirits. Shut off the sprayer, remove the spark plug cable, and open the pressure drain valve to Relieve the pressure. Leave the drain valve open.

Oil base paint: flush with mineral spirits and leave the pump, hose and gun filled with mineral spirits. Shut off the sprayer, remove the spark plug cable, and open the pressure drain valve to relieve the pressure. Leave the drain valve open.

6.Startup after storage.

Before using water–base paint, flush out the mineral spirits with soapy water, and then with clean water.

When using oil–based paint, flush out the mineral spirits with the paint to be sprayed.

How to Flush

WARNING

INJECTION HAZARD

To reduce the risk of serious injury, whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 10.

NOTE: The word solvent refers to water or oil-based solvent.

1.Relieve pressure.

2.Remove the filter bowl (A) and screen (B); see instruction manual 307273, supplied. Install the bowl and support (C), without the screen, to flush. Clean the screen separately. See Fig. 5.

3.Close the pressure drain valve.

4.Put the suction tube in a grounded pail of solvent.

5.Remove the spray tip from the gun(s).

WARNING

To reduce the risk of static sparking and splashing when flushing, always remove the spray tip from the gun, and hold a metal part of the gun firmly to the side of, and aimed into, a grounded metal pail. See Ref. A in Fig. 4.

Fig. 4

A

01024

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Contents Model 231800, Series B 308398Model 231326, Series D ModelSymbols Table of ContentsInjection Hazard Fire and Explosion Hazard Component Identification and Function 202 204 203 Model 231327 shown SetupConnect hose and gun. Refer to Fig 03470A Before You Start the Sprayer Turn the pressure control switch to OFF To start the engineFueling StartupUnlock the gun trigger safety To start the pump After Each 100 Hours of Operation Change the oil MaintenancePressure Relief Procedure Flushing When to FlushHow to Flush Model 231326 shown Suction Tube StorageProblem Cause Solution TroubleshootingUse a larger diameter hose and/or reduce Bearing Housing & Connecting Rod Drive Housing 114 Model 231326 Shown Pinion, Clutch, Clamp, Field, & Engine Pinion Housing RemovalRepairing the Pinion Pinion HousingClutch Clamp Field & Wiring HarnessClutch Housing Engine Reassembly Black White RED TER Pressure Control ReplacementRemoving the pump. See Fig Displacement PumpRepairing the pump Installing the pump. See FigParts Drawing Basic Sprayer Description Qty Parts List Basic SprayerParts Drawing Lo-Boy Sprayer Grounding Clamp & Wire Parts List Lo-Boy Sprayer76, 77 117 LOCKWASHER, 7/16 Ref No Parts List & Drawing Complete SprayerParts List & Drawing Pinion Assembly Models 231327Pressure Control Parts List Pressure ControlDimensions Parts DrawingGraco Warranty Technical Data
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