Graco Inc. 307-638 Paint Sprayer User Manual


 
307-638ą3
TABLE OF CONTENTS
Terms 3.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety
W
arnings
4, 5
.
. . . . . . . . . . . . . . . . . . . . . . . . . . .
How
The Electrostatic Air Spray Gun W
orks 5.
. . .
Installation
Typical
Installation
6.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warning
Signs
6.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ventilate
the Spray Booth
7.
. . . . . . . . . . . . . . . . . . . . . .
Connect
the Air Line
7.
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Connect
the Fluid Line
7.
. . . . . . . . . . . . . . . . . . . . . . . . .
Check
the Electrical Grounding
8.
. . . . . . . . . . . . . . . . .
Operation
Filter
the Fluid
9.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating
Checklist
9.
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Spraying
Operation
9.
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Install
the Fluid Nozzle and Air Cap
10.
. . . . . . . . . . . . .
Adjust
the Spray Pattern
10.
. . . . . . . . . . . . . . . . . . . . . .
Maintenance
Daily
Care and Cleaning
11.
. . . . . . . . . . . . . . . . . . . . . .
Clean
the Air Cap and Fluid Nozzle
11.
. . . . . . . . . . . . .
Flush
the Spray Gun
12.
. . . . . . . . . . . . . . . . . . . . . . . . . .
Spray
Pattern T
roubleshooting Chart 13.
. . . . . . . . .
Gun Operation Troubleshooting Chart 14.
. . . . . . . .
Electrical Troubleshooting Chart 15.
. . . . . . . . . . . . .
Electrical Tests
T
est Gun Resistance
16.
. . . . . . . . . . . . . . . . . . . . . . . . . .
Test
Power Supply Resistance
16.
. . . . . . . . . . . . . . . . .
Test
Resistor Stud Resistance
17.
. . . . . . . . . . . . . . . . .
Service
Gun
Disassembly
18.
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrode
Replacement
18.
. . . . . . . . . . . . . . . . . . . . . . .
Resistor
Stud Replacement
19.
. . . . . . . . . . . . . . . . . . . .
Barrel
Removal
20.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fluid
Needle Packing Replacement
20.
. . . . . . . . . . . . .
Power
Cartridge Replacement
22.
. . . . . . . . . . . . . . . . .
Turbine
Alternator Removal
23.
. . . . . . . . . . . . . . . . . . . .
Fan
Air V
alve Replacement
24.
. . . . . . . . . . . . . . . . . . . .
Air
V
alve Replacement
24.
. . . . . . . . . . . . . . . . . . . . . . . .
ES
On–Of
f V
alve Removal and Repair
25.
. . . . . . . . . .
Fluid
Adjusting Screw Replacement
25.
. . . . . . . . . . . .
Muffler
and Check V
alve Replacement
25.
. . . . . . . . . .
Parts
Drawing
26.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts List 27.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Repair
Kits
28.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical
Data
29.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
How T
o Order Replacement Parts
29.
. . . . . . . . . . . .
Accessories 30,
31
.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warranty Back
Cover
.
. . . . . . . . . . . . . . . . . . . . . . . . . . .
TERMS
WARNING:
Alerts user
to avoid or correct conditions that could
cause
bodily harm.
CAUTION:
Alerts user to avoid or correct conditions that could
cause
damage to or destruction of equipment.
NOTE:
Identifies essential procedures or helpful information.
PRESSURE
RELIEF PROCEDURE:
A safety procedure for re
-
lieving
air and fluid pressure in the system.
FOR
YOUR SAFETY
:
Alerts user to read
the additional safety
warnings
on the page indicated.
ES ON-OFF VALVE:
An on/of
f switch located near the rear of
the
gun,
above the gun handle, that turns the electrostatic pow
-
er
on or of
f.