INSTRUCTIONS-P
ARTS LIST
307–615
Rev
S
Supersedes
R
Gas–Powered Supply Pump
GH 533
HYDRA–SPRA
Y SPRAYER
3000 psi (210
bar) MAXIMUM WORKING PRESSURE
U.S.
Patent Pending
Model 231–533, Series B
Sprayer
only
. Has Severe–Duty* Displacement Pump
Model 230–974
Includes
Sprayer 231–533, Hose, Swivel, Gun,
RAC
IV
, DripLess
T
ip Guard and SwitchT
ip
*Severe–duty displacement pumps have an abrasion
and corrosion–resistant displacement rod and sleeve.
Refer
to the T
echnical Data in manual 307–862.
TABLE OF CONTENTS
Warnings 2.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Terms 3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Typical
Installation
4.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Setup 4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Flushing
Guidelines
6.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance 10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service 12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model
230–974
Parts
15.
. . . . . . . . . . . . . . . . . . . . . . . . .
Model
231–533
Parts
16.
. . . . . . . . . . . . . . . . . . . . . . . . .
Technical
Data
Back Cover
.
. . . . . . . . . . . . . . . . . . . . . . .
Accessories Back
Cover
.
. . . . . . . . . . . . . . . . . . . . . . . . .
Warranty Back
Cover
.
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
GRACO
INC.
P
.O. BOX 1441
MINNEAPOLIS, MN
55440–1441
COPYRIGHT 1983 GRACO INC.
This
manual contains
IMPORTANT
INSTRUCTIONS and WARNINGS.
READ AND RETAIN FOR REFERENCE.
Liquids
can be injected into the body by high pressure airless spray
or
leaks – especially hose leaks.
Keep
body clear of the nozzle. Never stop leaks with any part of the
body.
Drain all pressure before removing parts.A
void accidental trig
-
gering
of gun by always setting safety latch when not spraying.
Never spray without a tip guard.
In case of accidental skin injection, seek immediate
“Surgical
T
reatment”.
Failure to follow this warning can result in amputation or serious
injury.
FIRE
AND
EXPLOSION HAZARD
SKIN INJECTION
HAZARD
READ AND UNDERSTAND ALL LABELS AND INSTRUCTION MANUALS BEFORE USE
Spray
painting,
flushing or cleaning equipment with flammable liq
-
uids
in confined areas can result in fire or explosion.
Use
outdoors or in extremely well ventilated areas. Ground
equip
-
ment,
hoses, containers and objects being sprayed.
Avoid
all ignition sources such as
static electricity from plastic drop
cloths,
open flames
such as pilot lights, hot objects such as ciga
-
rettes,
arcs from connecting or disconnecting power cords or turn
-
ing
light switches on and off.
Failure
to follow this warning can result in death or serious injury
.
NOTE: This
is an example of the DANGER label on your sprayer
.
This label is available in other languages, free of charge.
See page 20
to order.