Contents
Main
INSTRUCTIONSP
Airless
MINNEAPOLIS, MN
GRACO INC. P.O. BOX 1441
ARTS LIST
Performance 390
Table
of Contents
Symbols
Warning Symbol
Caution Symbol
TOXIC FLUID HAZARD
P
MOVING
ARTS HAZARD
INJECTION HAZARD
EQUIPMENT MISUSE HAZARD
Component
Function and Identification
Setup
2750 psi (195 bar) Working Pressure
Operation
How to use the gun trigger safety
How to use the pressure drain valve.
How to use the pressure control.
Operation
How to use the RAC IV tip guard.
How to remove a tip clog.
Pressure Relief Procedure
If you suspect that the spray tip or hose is completely
after following the steps above
clogged, or that pressure has not been fully relieved
A
Page
Shutdown and Care
Shutdown and Care
29 A
Flushing
When to Flush
How to Flush
14 308-646
Troubleshooting
everything in the troubleshooting table before disassembling the sprayer
Check
INJECTION HAZARD T
on page 9.
Basic Problem Solving
When check is not OK refer to this column
16 308-646
Be sure sprayer is unplugged!
T
est
Setup
Armature Short Circuit Test
Armature, Brushes, and Motor Wiring Open Circuit Test (Continuity)
General
Repair Information
Tool List
gear housing, legs, handle
Page
Brushes
Removing the pump
Installing the pump
Intake valve repair
Disassembling the pump
Reassembling the pump
Page
Page
Page
Start Board
On/Off
Power
Supply Cord
Switch
Drive
Housing, Connecting Rod, Crankshaft
Drive
Housing, Connecting Rod, Crankshaft
Pressure
Control
Pressure
T
ransducer
Drain
V
Inlet
alve
Repair
Pump Parts Drawing and List
Model 236787, Series A
Accessoriese.
Fluid Filter Kit 235677
Upright Cart Kit 236328
Sprayer Parts Drawing
Sprayer
Parts List
.N.236967 is available. Purchase separately
P
Model 231553, Series A
Technical
Data
MINNEAPOLIS, MN
GRACO INC. P.O. BOX 1441