Table of Contents

Warnings

. 2

Clutch Housing

. . . 22

Component Identification and Function

. 5

Engine

. . . 23

Setup

. 6

Reassembly

. . . 24

Fueling

. 8

Pressure Control Replacement

. . . 26

Startup

. 8

Removing and Installing Pump

. . . 27

Maintenance

10

Displacement Pump

. . . 27

Flushing

11

Parts Lists and Drawings

 

Suction Tube Storage

12

Model 231326, Basic Sprayer

. . . 28

Troubleshooting Guide

13

Model 231800, Lo-Boy Sprayer

. . . 30

Repair

 

 

Models 231327 & 231382, Complete Sprayer

. . . 34

Bearing Housing & Connecting Rod . . . .

15

Pinion Assembly

. . . 34

Drive Housing

16

Pressure Control

. . . 35

Pinion, Clutch, Clamp, Field, & Engine .

18

Dimensions

. . . 35

Pinion Housing

19

Graco Phone Number

. . . 35

Clutch

20

Technical Data

. . . 36

Field & Wiring Harness

21

Graco Warranty

. . . 36

Clamp

21

 

 

Symbols

Warning Symbol

WARNING

Caution Symbol

CAUTION

This symbol alerts you to the possibility of serious injury or death if you do not follow the instructions.

This symbol alerts you to the possibility of damage to equipment if the you do not follow the instructions.

WARNING

INSTRUCTIONS

EQUIPMENT MISUSE HAZARD

Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury.

DThis equipment is for professional use only.

DRead all instruction manuals, tags, and labels before operating the equipment.

DUse the equipment only for its intended purpose. If you are not sure, call your Graco distributor.

DDo not alter or modify this equipment. Use only genuine Graco parts

DCheck equipment daily. Repair or replace worn or damaged parts immediately.

DDo not exceed the maximum working pressure of the lowest rated system component. Refer to the Technical Data on page 36 for the maximum working pressure of this equipment.

DUse fluids and solvents compatible with the equipment wetted parts. Refer to the Technical Data section of all equipment manuals. Read the fluid and solvent manufacturer’s warnings.

DDo not use hoses to pull equipment.

DRoute hoses away from traffic areas, sharp edges, moving parts, and hot surfaces. Do not expose Graco hoses to temperatures above 82_C (180_F) or below –40_C (–40_F).

DDo not lift pressurized equipment.

DComply with all applicable local, state, and national fire, electrical, and safety regulations.

DWear hearing protection when operating this equipment.

DDo not use 1,1,1–trichloroethane, methylene chloride, other halogenated hydrocarbon solvents or fluids containing such solvents in pressurized aluminum equipment. Such use could result in a chemical reaction, with the possibility of explosion.

2308398

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Hitachi 231327 manual Table of Contents, Symbols