Owner`s manual
Table
of Contents
Warnings 2.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Component
Identification and Function
5.
. . . . . . . . . . .
Setup 6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation
7.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Startup
9.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shutdown
and Care
11.
. . . . . . . . . . . . . . . . . . . . . . . . . .
Flushing 12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 13
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Motor Test 17.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General
Repair Information
18.
. . . . . . . . . . . . . . . . . . . .
Motor
Brush
19.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Displacement
Pump Repair
21.
. . . . . . . . . . . . . . . . . . . .
Motor 25
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Motor
Start Board
26.
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power
Supply Cord
26.
. . . . . . . . . . . . . . . . . . . . . . . . . . .
ON/OFF
Switch
26.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Drive
Housing, Connecting Rod, Crankshaft
27.
. . . . .
Pressure
Control
29.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pressure Transducer 30.
. . . . . . . . . . . . . . . . . . . . . . . . .
Suction
Hose
31.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Drain
V
alve 32.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Displacement
Pump Parts Drawing and List
33.
. . . . .
Model
820–169 Sprayer Parts Drawing
34.
. . . . . . . . .
Model
820–169 Sprayer Parts List
35.
. . . . . . . . . . . . . .
Model
820–248 Sprayer Parts Drawing
36.
. . . . . . . . .
Model
820–248 Sprayer Parts List
37.
. . . . . . . . . . . . . .
Technical
Data
40.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dimensions 40
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Graco
W
arranty and Disclaimers
40.
. . . . . . . . . . . . . . .
Symbols
Warning Symbol
WARNING
his
symbol alerts you to the possibility of serious
injury or death if you do not follow the instructions.
Caution Symbol
CAUTION
This
symbol alerts you to the possibility of damage to
or destruction of equipment if you do not follow the
instructions.
FIRE AND EXPLOSION HAZARD
Improper
grounding, poor ventilation, open flames or sparks can cause a hazardous condition and
result in a fire or explosion and serious injury
.
If there is any static sparking or you feel an electric shock while using this equipment,
stop
spraying immediately
.
Do not use the equipment until you identify and correct the problem.
Provide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid
being sprayed.
Keep the spray area free of debris, including solvent, rags, and gasoline.
Electrically disconnect all equipment in the spray area.
Extinguish all open flames or pilot lights in the spray area.
Do not smoke in the spray area.
Do not turn on or of
f any light switch in the spray area while operating or if fumes are present.
Do not operate a gasoline engine in the spray area.
WARNING
WARNING