symbol alerts you to the possibility of damage to
or destruction of equipment if you do not follow the
instructions.
.
.
11.
11.
11.
12.
D
Read all instruction manuals, tags, and labels before operating the equipment.
D
Use the equipment only for its intended purpose. If you are not sure, call your Graco distributor
D
Do not alter or modify this equipment. Use only genuine Graco parts and accessories.
D
Check equipment daily
D
Do not exceed the maximum working pressure stated on the equipment or in the Technical Data
for your equipment. Do not exceed the maximum working pressure of the lowest rated component
in your system.
D
Use fluids and solvents which are compatible with the equipment wetted parts. Refer to the
nical Data
D
Handle hoses carefully
D
Route hoses away from traffic areas, sharp edges, moving parts, and hot surfaces. Do not expose
Graco hoses to temperatures above 66_C (150_F) or below –40_C (–40
D W
ear hearing protection when operating this equipment.
D
Do not lift pressurized equipment.
D
Comply with all applicable local, state, and national fire, electrical, and safety regulations.
section of all equipment manuals. Read the fluid and solvent manufacturer’s warnings.
. Repair or replace worn or damaged parts immediately
. Do not use hoses to pull equipment.
_F).
.
.
Tech-
Page 3
FIRE AND EXPLOSION HAZARD
Improper
result in a fire or explosion and serious injury
grounding, poor ventilation, open flames or sparks can cause a hazardous condition and
.
Ground the equipment and the object being sprayed. Refer to
If there is any static sparking or you feel an electric shock while using this equipment,
ing 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.
Before operating this equipment, electrically disconnect all equipment in the spray area.
Before operating this equipment, extinguish all open flames or pilot lights in the spray area.
Do not smoke in the spray area.
Do not turn on or of
Do not operate a gasoline engine in the spray area.
f any light switch in the spray area while operating or if fumes are present.
Grounding
on page 4.
TOXIC FLUID HAZARD
stop spray-
Hazardous
inhaled, or swallowed.
Know the specific hazards of the fluid you are using.
Store hazardous fluid in an approved container
state and national guidelines.
fluid or toxic fumes can cause serious injury or death if splashed in the eyes or on the skin,
. Dispose of hazardous fluid according to all local,
, gloves, clothing and respirator as recommended by the fluid and
.
Moving
parts can pinch or amputate your fingers.
Keep clear of all moving parts when starting or operating the pump.
Before checking or servicing the equipment, follow the
prevent the equipment from starting unexpectedly
Pressure Relief Procedure
.
on page 6 to
Page 4
Installation
Grounding
Proper grounding is an essential part of maintaining a
safe system.
T
o reduce the risk of static sparking, ground the pump.
Check your local electrical code for detailed grounding
instructions for your area and type of equipment. Be
sure to ground all of this equipment:
1.
Pump:
use a ground wire and clamp as shown
below.
2.
Air and fluid hoses:
hoses with a maximum 500 ft (150 m) combined
hose length to ensure grounding continuity
3.
Air compressor:
dations.
4.
Spray gun:
tion to a properly grounded fluid hose and pump.
grounding is obtained through connec
use only electrically conductive
.
follow manufacturer’s recommen
T
o maintain grounding continuity when flushing or
relieving pressure,
spray gun firmly to the side of a grounded metal
pail, then trigger the spray gun.
always hold a metal part of the
To ground the pump:
To
ground the pump, loosen the grounding lug locknut
(W) and washer (X). Insert one end of a 12 ga (1.5
mm2) minimum ground wire (Y) into the slot in lug (Z)
and tighten the locknut securely
end of the wire to a true earth ground. Order Part No.
237–569, Ground Wire and Clamp.
-
-
. Connect the other
W
Y
5.
Object being sprayed:
6.
Fluid supply container:
7.
All solvent pails used when flushing or relieving
pressure,
firmly to the side of a grounded metal pail, then
trigger the gun.
always hold a metal part of the gun
follow your local code.
follow your local code.
Fig. 1
X
Z
04111
Page 5
Typical Installation
Installation
BC
A
KEY
A
B
C
D
E
F
G
H
J
K
L
M
NOTE:
Wire
Ground
Pump Runaway V
Air Motor Lubricator
Bleed-T
Air Regulator and Gauge
Air Line Filter
Electrically Conductive Air Supply Line
Pump
Fluid Outlet Hose
Fluid Drain V
55 Gallon Drum Cover
Wet-Cup
ype Master Air V
alve
alve
alve
Reference numbers and letters in parentheses
in the text refer to the callouts in the figures and the
parts drawings.
1.
Mount the pump to suit the type of installation
planned. The pump dimensions and mounting hole
layout are shown on page 1
1.
FG
H
D
E
J
L
M
06753
4.
Install the air line accessories in the approximate
order shown. T
o reduce stress on the air inlet
fitting, do not mount any accessories directly at the
air inlet fitting. Mount accessories on a bracket or
other fixture and use a hose between the accesso
ries and air inlet. Use the shortest practical length
of hose.
K
-
2. The T
ypical Installation shown above is only a
guide. Contact your Graco distributor for assis
tance in designing a system to suit your needs.
3.
Install the accessories as explained in the following
steps. If you supply your own accessories, be sure
they are adequately sized for you system.
WARNING
T
wo accessories, the bleed-type master air
valve (D), and the fluid drain valve (K) are required
in your system to reduce the risk of serious injury
from moving parts or splashing fluid in the eyes or
on the skin when shutting of
The Bleed-T
ype Master Air V
trapped between the valve and the pump, after the
pump is shut of
f. T
rapped air can cause the pump
to cycle unexpectedly and result in serious bodily
injury if you are adjusting or repairing the pump.
The Fluid Drain V
alve
the displacement pump, hose, and gun/dispensing
valve when shutting of
gun/dispensing valve may not be suf
cially if there is a clog in the hose, gun/dispensing
valve, or tip/nozzle.
f the pump.
alve
relieves air
helps relieve fluid pressure in
f the pump. T
riggering the
ficient, espe
-
air to the pump if the pump begins to run too fast,
which usually indicates a depleted fluid supply
The air motor lubricator (C) automatically lubri
cates the motor
. Adjust the lubricator to dispense
.
about one drop of lubricant per minute.
The air regulator and gauge (E) controls pump
speed and fluid pressure.
The air filter (F) removes dirt and moisture from
The pump runaway valve (B) stops the supply of
the compressed air supply
damage the air motor
. Damp or dirty air can
.
Use electrically conductive air hoses. Connect an
electrically conductive air supply hose (G) to the
main air supply line. Read the
Hazard
5.
Install a fluid drain valve (K) close to the pump fluid
outlet. Read the
on page 3.
Warning
Fire and Explosion
to the left. Use a fluid
filter (not shown), if needed.
-
6.
Connect an electrically conductive fluid outlet hose
(J) to the pump. Read the warning section
and Explosion Hazard
on page 3.
Fire
Page 6
Operation
NOTE:
to remove the lightweight oil which is left in the pump
after factory testing it. The oil protects the pump from
corrosion. Be sure the solvent used is compatible with
the fluid to be sprayed, and with the wetted parts of the
pump. Refer to the T
the separate displacement pump manual for the
wetted parts.
Flush the pump before using it for the first time
echnical Data on page 1
1 and in
Pressure Relief Procedure
WARNING
PRESSURIZED
The system pressure must be manually
relieved to prevent the system from
starting or spraying accidentally
under high pressure can be injected through the
skin and cause serious injury
an injury from injection, splashing fluid, or moving
parts, follow the
whenever you:
are instructed to relieve the pressure,
stop spraying,
check or service any of the system equipment,
or install or clean the spray tips.
1.
Shut of
f the air to the pump.
Pressure Relief Procedure
EQUIPMENT HAZARD
. Fluid
. T
o reduce the risk of
Check Valve Adjustment
The
fluid piston and intake valve are factory set for
high-volume pumping of heavy
T
o adjust the check valves, refer to the
section in the separate displacement pump manual.
, spray-viscosity fluids.
Operation
Starting and Adjusting the Pump
NOTE: If the pump is not immersed in fluid, fill the
wet-cup (M) 1/2 full with Graco Throat Seal Liquid
(TSL) or a compatible solvent.
1.
Open the bleed-type master air valve.
2.
Open the spray gun or dispensing valve.
3.
Slowly open the air regulator until the pump is
running at about 40 psi (3 bar
sure. Run the pump slowly until all the air is
pushed out of the lines and fluid is flowing smooth
ly
. Close the spray gun or dispensing valve; the
pump will stall.
NOTE:
stops automatically when the spray gun or dispensing
valve is opened or closed, if the pump is supplied with
suf
In a direct supply system, the pump starts and
ficient air pressure and air volume.
, 300 KPa) air pres
-
-
2.
Close the bleed-type master air valve (required in
your system).
3.
Hold a metal part of the gun to the side of a
grounded metal pail and trigger the gun to relieve
pressure.
4.
Open the fluid drain valve (required in your sys
tem), having a container ready to catch the drain
age.
If you suspect that the spray tip or hose is clogged or
that fluid pressure is not fully relieved after following
the steps above,
retaining nut or hose end coupling and relieve pressure
gradually
. Clear the tip or hose obstruction.
very slowly
loosen the tip guard
-
-
In a circulating system, the pump runs continuously
speeding up or slowing down as the spray gun or
dispensing valve is opened and closed, until the air
supply is shut of
f.
Lubrication
1.
For automatic air motor lubrication, install an air
line lubricator
brication helps keep the motor running smoothly
and prolongs its life.
2.
Keep the displacement pump wet-cup 1/2 full with
TSL or a compatible solvent. This prolongs the life
of the displacement pump packings.
. Refer to step 4 of installation. Lu
,
-
Page 7
Operation
Flushing
WARNING
T
o reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure
Y
our fluid supplier should be able to tell you the rate at
which your fluid dries, or its contents settle during
non-use. Flush the pump frequently enough to prevent
the fluid from drying or settling in the pump and hoses
to prevent costly damage. Use a compatible solvent.
Refer to the Technical Data
separate displacement pump manual for a list of the
wetted parts.
If you are pumping water-based fluid, first flush with
water and then with a compatible solvent.
Water
, or even moist air
corrode. Read and follow the
, can cause your pump to
on page 6.
on page 1
Caution
1 and in the
below
.
CAUTION
Never leave water or water-base fluid in the pump
overnight. If you are pumping water-base fluid, flush
with water first, then with a rust inhibitor such as
mineral spirits. Relieve the pressure, but leave the
rust inhibitor in the pump to protect the parts from
corrosion.
Keep the Fluid Supply Container Filled
If
your pump is running too fast, or accelerates quickly
it is probably out of fluid. Shut of
diately to prevent damage to the pump. Check the fluid
supply frequently and replenish it as needed. If the
fluid supply is empty
fluid lines, be sure to pime the pump again before
regular operation.
, and air has been sucked into the
f the air supply imme
-
Shutdown
WARNING
T
o reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure
Always stop the pump with the displacement rod in the
down position. This prevents fluid from drying on the
displacement rod and damaging the packings when
the pump is restarted.
Relieve the pressure
pump.
whenever you shut of
on page 6.
f the
,
Page 8
Troubleshooting
p
p,p
p
p,p
p
p
pgy
,pp
WARNING
T
o reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure
on page 6.
Relieve the Pressure
system equipment.
NOTE:
Check all other possible problems and solu
tions before disassembling the pump.
before you check or service any
ProblemCauseSolution
Pump
fails to operate
Pump
operates, but the fluid output is low on
both strokes
Pump
operates, but the output is low on the
down
stroke
Pump
operates, but the output is low on the
upstroke
Pumps
is operating erratically
suddenly
, or speeds up
Restricted air line or inadequate air supply
Insuf
ficient air pressure
Closed or
and/or fluid side of the system.
Fluid has dried on the displacement rod
Air motor is dirty
Empty fluid supply container
Restricted air line or inadequate air supply
Insuf
Fluid hose or gun is cloggedClean the hose or gun, flush frequently
Fluid is too heavy for the pump to prime
Loose packing nut or worn throat packings
Ball travel restricted too much for the viscosity of
fluid being pumped.
Fluid is too heavy for the pump to prime
Damaged cylinder o-rings
The intake valve is stuck open or worn
Ball travel restricted too much for the viscosity of
fluid being pumped.
The piston valve is stuck open or the packings are
worn
Damaged
Empty
Fluid
The
worn
The
Loose
clogged valves or regulators on the air
, worn, or damaged
ficient air pressure
cylinder o-rings
fluid supply container
hose or gun is clogged
piston valve is stuck open or the packings
intake valve is stuck open or worn
packing nut or worn throat packings
Clear
the line. See the T
11
for air volume requirements.
Increase
ate
Check
clean
Clean. See displacement pump manual
308–043.
and stop the pump at the bottom of its stroke
during
Service the motor. See manual 307–049. Be
sure
motor
Refill the fluid supply container
Clear
11
Increase
ate
Use an inductor plate or ram.
Tighten packing nut or replace packings as
needed.
See Check Valve Adjustment in manual
308–043.
Use an inductor plate or ram.
Replace o-rings. See manual 308–043.
Check; replace parts as needed. See manual
308–043.
See Check Valve Adjustment in manual
308–043
Check,
308–043
Replace o-rings. See manual 308–043
Refill. Also see Operation on page 6.
Clean the hose or gun. Flush frequently
are
Check,
308–043.
Check; replace parts as needed. See manual
308–043.
Tighten packing nut or replace packings as
needed.
air pressure – the pump
below 30 psi (2.1 bar
the valves
as needed.
non-use.
the air supply is clean and dry
is properly lubricated.
the lines. See the T
for air volume requirements.
air pressure – the pump
below 30 psi (2.1 bar
See manual 308–043.
replace
replace
See manual 308–043.
-
echnical Data on page
, 210 KPa) air
and regulators and adjust or
Also, keep TSL in the pump wet-cup,
echnical Data on page
, 210 KPa) air
parts as needed. See manual
parts as needed. See manual
will not oper
pressure.
, and that the
will not oper
pressure.
-
-
.
.
Page 9
Service
General Information
D Follow
D T
D T
the torque and assembly notes on page 10.
o service the air motor
supplied.
o service the displacement pump, refer to manual
308–043, supplied.
, refer to manual 307–049,
Disassembly (See page 10)
WARNING
To
reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure
1.
Flush the pump with a compatible solvent,
the pressure, and stop the pump at the bottom of
its stroke.
2.
Disconnect the hoses from the pump. Remove the
pump from its mounting and clamp it in a vise.
3.
Remove the upper cotter pin (1). Unscrew the
coupling nut (8). Unscrew the three tie rod locknuts (3). Unscrew the nut (56) be sure not to lose
the two rings (57, 58). Carefully pull the displace
ment pump (12) away from the air motor (1
4.
Remove the lower cotter pin (1). Loosen the
locknut (4). Unscrew the connecting rod (9) from
the displacement rod (N). The pipe (53) slides out
of the air motor as the pump is detached
on page 6.
relieve
1).
Reassembly (See page 10)
1. If
removed, screw the three tie rods (6) into the
motor (11).
2.
If removed, screw the bushing (59) into the outlet
of the displacement pump (12). Screw the riser
tube (53) into the bushing (59).
3.
Screw the connecting rod (9) into the displacement
rod (N). Install the cotter pin (1) and tighten the
locknut (4).
4.
Make sure the riser tube rings (57, 58) are in
place. Guide the displacement pump (12) onto the
tie rods (6), so the outlet of the displacement pump
is aligned with the auxiliary outlet of the motor (1
The riser tube (53) will slide into the motor
the nut (56) onto the elbow (60) loosely
Install the locknuts (3) on the tie rods. T
5.
nuts to 40–50 ft-lb (54–68 N
6. T
ighten the coupling nut (8). Insert the upper cotter
pin (1) through the coupling (7). T
tube nut (56).
7.
Connect the hoses to the pump. Run the pump
-
slowly to be sure it runs smoothly and does not
bind. If necessary
tie rods and locknuts (see manual 308–043), or the
tie rods (6) and locknuts (3) which attach the
motor
, to eliminate binding.
8.
Reconnect the ground wire to the motor
, adjust the displacement pump
Sm).
.
orque the
ighten the riser
.
1).
. Screw
Page 10
1
T
orque to 40–50 ft-lbs (54–68 N
2
Apply lubricant
3
Apply sealant to threads
4
Apply lubricant to top thread of rod
11
m)
Parts
54
60
58
57
5
2
6
2
56
9
53
4
3
4
59
1
7
1
8
Ref
No.Part No.DescriptionQty.
1100–103
3101–712LOCKNUT
4101–936NUT
5158–674
6161–541
7161–543COUPLING, connecting rod1
8161–544NUT
9164–444
11208–356AIR MOTOR
warrants all equipment listed in this manual which is manufactured by Graco and bearing its name to be free from defects
in material and workmanship on the date of sale by an authorized Graco distributor to the original purchaser for use. Graco will,
for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defec
tive. This warranty applies only when the equipment is installed, operated and maintained in accordance with Graco’
ommendations.
This warranty does not cover
caused by faulty installation, misapplication, abrasion, corrosion, inadequate or improper maintenance, negligence, accident,
tampering, or substitution of non-Graco component parts. Nor shall Graco be liable for malfunction, damage or wear caused by
the incompatibility of Graco equipment with structures, accessories, equipment or materials not supplied by Graco, or the im
proper design, manufacture, installation, operation or maintenance of structures, accessories, equipment or materials not sup
plied by Graco.
This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor
for verification of the claimed defect. If the claimed defect is verified, Graco will repair or replace free of charge any defective
parts. The equipment will be returned to the original purchaser transportation prepaid. If inspection of the equipment does not
disclose any defect in material or workmanship, repairs will be made at a reasonable charge, which charges may include the
costs of parts, labor
THIS WARRANTY IS EXCLUSIVE, AND IS IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE.
s sole obligation and buyer’s sole remedy for any breach of warranty shall be as set forth above. The buyer agrees that no
Graco’
other
remedy (including, but not limited
, or any other incidental or consequential loss) shall be available. Any action for breach of warranty must be brought within two
erty
(2)
years of the date of sale.
GRACO MAKES NO WARRANTY, AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE IN CONNECTION WITH
SOLD BUT NOT MANUFACTURED BY GRACO.
switches, hose, etc.) are subject to the warranty
tance in making any claim for breach of these warranties.
Graco Warranty and Disclaimers
, and Graco shall not be liable for general wear and tear
, and transportation.
to, incidental or consequential damages for lost profits, lost sales, injury to person or prop
ACCESSORIES, EQUIPMENT
These items sold, but not manufactured by Graco (such as electric motors,
, if any
, of their manufacturer
. Graco will provide purchaser with reasonable assis
, or any malfunction, damage or wear
, MA
TERIALS, OR COMPONENTS
s written rec-
-
-
-
-
-
For Sales to Canadian Customers:
Except
as expressly stated herein, Graco makers no representations, warranties
any goods or services sold, and
cerning
warranty
MERCHANTABLE QUALITY OR FITNESS FOR A PARTICULAR PURPOSE.
LIMITATION OF LIABILITY
In no event will Graco be liable for indirect, incidental, special or consequential damages resulting from Graco supplying equip
ment hereunder
contract, breach of warranty
TO
or condition of any kind, whether arising by operation of law or otherwise, including but not limited to,
, or for the furnishing, performance, or use of any products or other goods sold hereto, whether due to a breach of
, the negligence of Graco, or otherwise.
PLACE AN ORDER
All
written and visual data contained in this document reflects the latest product information available at the time of publication.
, contact your Graco distributor
Graco reserves the right to make changes at any time without notice.
GRACO SHALL NOT BE LIABLE IN ANY MANNER FOR
Graco
Phone Number
, or call this number to identify the distributor closest to you:
1–800–367–4023 T
oll Free
or conditions, express, implied or collateral, con
any other representation,
WARRANTIES OF
-
-
Foreign Offices:
Belgium, Canada, England, Korea, Switzerland, France, Germany
Sales Offices:
GRACO INC.P.O. BOX 1441
PRINTED
IN U.S.A. 307–871 January 1989, Revised October 1996
Atlanta, Chicago, Detroit, Los Angeles
MINNEAPOLIS, MN
, Hong Kong, Japan
55440–1441
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