Graco 224348 Operation manual

Instructions--Parts List
308118P
EN
SEVERE-DUTY, UHMWPE/PTFE PACKED
Stainless Steel Pumps
55 gallon (200 liter) drum size, with bung adapter.
For transfer and supply of solventborne and waterborne finishing materials.
For professional use only.
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
See page 2 for table of contents.
Model 224348, Series C
10:1 Ratio PresidentrPump
Model 256713, Series A
10:1 Ratio PresidentrPump (1.5 in. Female Inlet)
1800 psi (12.4 MPa, 124 bar) Maximum Fluid Working Pressure
180 psi (1.25 MPa, 12.5 bar) Maximum Air Inlet Pressure
Model 224350, Series C
5:1 Ratio MonarkrPump
Model 256714, Series A
5:1 Ratio MonarkrPump (1.5 in. Female Inlet)
900 psi (6.3 MPa, 63 bar) Maximum Fluid Working Pressure
180 psi (1.25 MPa, 12.5 bar) Maximum Air Inlet Pressure
0200A
MODEL 224348 SHOWN
2575 II 1/2 G T2
ITS03ATEX11228
2575 II 1/2 G T2
ITS03ATEX11228

2 308118
Table of Contents
Warnings 2......................................
Installation 5.....................................
Operation 9.....................................
Troubleshooting 13...............................
Service 14......................................
Parts 18........................................
Technical Data 22................................
Dimensions 26...................................
Mounting Hole Layout 26..........................
Warranty 28.....................................
Graco Information 28.............................
Symbols
Warning Symbol
WARNING
This symbol alerts you to the possibility of serious
injury or death if you do not follow the corresponding
instructions.
Caution Symbol
CAUTION
This symbol alerts you to the possibility of damage to
or destruction of equipment if you do not follow the cor-
responding instructions.
WARNING
INSTRUCTIONS
EQUIPMENT MISUSE HAZARD
Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury.
DThis equipment is for professional use only.
DRead all instruction manuals, tags, and labels before operating the equipment.
DUse the equipment only for its intended purpose. If you are uncertain about usage, call your Graco
distributor.
DDo not alter or modify this equipment. Use only genuine Graco parts and accessories.
DCheck equipment daily. Repair or replace worn or damaged parts immediately.
DDo not exceed the maximum working pressure of the lowest rated system component. Refer to the
Technical Data on page 22 for the maximum working pressure of this equipment.
DUse fluids and solvents which are compatible with the equipment wetted parts. Refer to the Tech-
nical Data section of all equipment manuals. Read the fluid and solvent manufacturer’s warnings.
DDo not use hoses to pull equipment.
DRoute hoses away from traffic areas, sharp edges, moving parts, and hot surfaces. Do not expose
Graco hoses to temperatures above 82_C (180_F) or below --40_C(--40_F).
DWear hearing protection when operating this equipment.
DDo not lift pressurized equipment.
DComply with all applicable local, state, and national fire, electrical, and safety regulations.

3308118
WARNING
SKIN INJECTION HAZARD
Spray from the gun/valve, hose leaks, or ruptured components can inject fluid into your body and
cause extremely serious injury, including the need for amputation. Fluid splashed in the eyes or on the
skin can also cause serious injury.
DFluid injected into the skin might look like just a cut, but it is a serious injury. Get immediate surgi-
cal treatment.
DDo not point the gun/valve at anyone or at any part of the body.
DDo not put your hand or fingers over the spray tip/nozzle.
DDo not stop or deflect leaks with your hand, body, glove or rag.
DDo not “blow back” fluid; this is not an air spray system.
DAlways have the tip guard and the trigger guard on the gun when spraying.
DCheck the gun diffuser operation weekly. Refer to the gun manual.
DBe sure the gun/valve trigger safety operates before spraying/dispensing.
DLock the gun/valve trigger safety when you stop spraying/dispensing.
DFollow the Pressure Relief Procedure on page 9 whenever you: are instructed to relieve pres-
sure; stop spraying/dispensing; clean, check, or service the equipment; and install or clean the
spray tip/nozzle.
DTighten all fluid connections before operating the equipment.
DCheck the hoses, tubes, and couplings daily. Replace worn, damaged, or loose parts immediately.
Permanently coupled hoses cannot be repaired; replace the entire hose.
DUse only Graco approved hoses. Do not remove any spring guard that is used to help protect the
hose from rupture caused by kinks or bends near the couplings.
MOVING PARTS HAZARD
Moving parts, such as the air motor piston, can pinch or amputate your fingers.
DKeep clear of all moving parts when starting or operating the pump.
DBefore servicing the equipment, follow the Pressure Relief Procedure on page 9 to prevent the
equipment from starting unexpectedly.

4 308118
WARNING
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.
DGround the equipment and the object being sprayed. Refer to Grounding on page 5.
DIf there is any static sparking or you feel an electric shock while using this equipment, stop spray-
ing/dispensing immediately. Do not use the equipment until you identify and correct the problem.
DProvide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid
being sprayed/dispensed.
DKeep the spray/dispense area free of debris, including solvent, rags, and gasoline.
DElectrically disconnect all equipment in the spray/dispense area.
DExtinguish all open flames or pilot lights in the spray/dispense area.
DDo not smoke in the spray/dispense area.
DDo not turn on or off any light switch in the spray/dispense area while operating or if fumes are
present.
DDo not operate a gasoline engine in the spray/dispense area.
TOXIC FLUID HAZARD
Hazardous fluid or toxic fumes can cause serious injury or death if splashed in the eyes or on the skin,
inhaled, or swallowed.
DKnow the specific hazards of the fluid you are using.
DStore hazardous fluid in an approved container. Dispose of hazardous fluid according to all local,
state and national guidelines.
DAlways wear protective eyewear, gloves, clothing and respirator as recommended by the fluid and
solvent manufacturer.

5308118
Installation
Grounding
WARNING
FIRE AND EXPLOSION HAZARD
Before operating the pump, ground the
system as explained below. Also read
the section FIRE AND EXPLOSION
HAZARD on page 4.
To 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 dispensing equipment.
1. Pump: loosen the grounding lug locknut (W) and
washer (X). Insert one end of a 1.5 mm2(12 ga)
minimum ground wire (Y) into the slot in lug (Z)
and tighten the locknut securely. See Fig. 1. Con-
nect the other end of the ground wire to a true
earth ground. Order Part No. 237569 Ground Wire
and Clamp.
2. Air and fluid hoses: use only electrically conductive
hoses with a maximum of 500 ft (150 m) combined
hose length to ensure grounding continuity.
3. Air compressor: follow manufacturer’s recommen-
dation.
4. Spray gun: grounding is obtained through connec-
tion to a properly grounded fluid hose and pump.
5. Object being sprayed: according to your local
code.
6. Fluid supply container: according to your local
code.
7. All solvent pails used when flushing, according to
your local code. Use only metal pails, which are
conductive, placed on a grounded surface. Do not
place the pail on a non-conductive surface, such
as paper or cardboard, which interrupts the
grounding continuity.
8. To maintain grounding continuity when flushing or
relieving pressure, always hold a metal part of the
spray gun firmly to the side of a grounded metal
pail, then trigger the spray gun.
Fig. 1 W
Y
X
Z
0720

6 308118
Installation
KEY
APump
BPump Runaway Valve
CAir Line Lubricator
DBleed--Type Master Air Valve (required, for pump)
EPump Air Regulator
FAir Line Filter
GBleed--Type Master Air Valve (for accessories)
HAir Supply Hose
JFluid Drain Valve (required)
KFluid Filter
LFluid Supply Hose
MSpray Gun
NPump Bung Adapter
YGround Wire (required; see page 5
for installation instructions)
J
A
B
CD
EF G
H
K
L
M
N
Y
1/2in.(13mm)
0808A
Typical Installation

7308118
Installation
NOTE: Reference numbers and letters in parentheses
in the text refer to the callouts in the figures and the
Parts Drawing.
NOTE: Contact you Graco distributor for available
Graco accessories. If you supply your own accesso-
ries, be sure they are adequately sized and pressure-
rated to meet the system’s requirements.
The Typical Installation shown on page 6 is only a
guide for selecting and installing system components
and accessories. Contact your Graco distributor for
assistance in designing a system to suit your particular
needs.
System Accessories
Refer to the Typical Installation on page 6.
WARNING
A bleed-type master air valve (D) and a fluid drain
valve (J) are required in your system. These acces-
sories help reduce the risk of serious injury includ-
ing fluid injection, splashing in the eyes or on the
skin, and injury from moving parts if you are adjust-
ing or repairing the pump.
The bleed-type master air valve relieves air trapped
between this valve and the pump after the air is
shut off. Trapped air can cause the pump to cycle
unexpectedly. Locate the valve close to the pump.
The fluid drain valve assists in relieving fluid pres-
sure in the displacement pump, hose, and gun.
Triggering the gun to relieve pressure may not be
sufficient.
Mounting Accessories
Mount the pump (A) to suit the type of installation
planned. The pump dimensions and mounting hole
layout are shown on page 26.
The pump is supplied with a bung adapter. To mount
the pump, loosen the bung adapter screw and slide the
adapter off the pump. Screw the bung adapter secure-
ly into the bung hole on the cover of the supply drum.
Carefully lower the pump through the bung adapter
and into the drum until it rests on the bottom, then pull
it back up 1/2 in. (13 mm). Tighten the bung adapter
screw to hold the pump in this position. Open the
drum’s vent plug to prevent a vacuum from forming in
the drum.
Air and Fluid Hoses
Be sure all air and fluid hoses are properly sized and
pressure-rated for your system. Use only electrically
conductive air and fluid hoses. Fluid hoses must have
spring guards on both ends.
Connect a electrically conductive fluid hose (L) to the
fluid filter (K), if used, or directly to the pump’s fluid
outlet.
Use a electrically conductive 1/2 in. ID (minimum) air
hose (H) to supply air to the pump.
Air Line Accessories
Install the following accessories in the order shown in
the Typical Installation, using adapters as necessary.
DAn air line lubricator (C) provides automatic air
motor lubrication.
DA bleed-type master air valve (D) is required in
your system to relieve air trapped between it and
the air motor when the valve is closed (see the
WARNING at left). Be sure the bleed valve is easily
accessible from the pump, and is located down-
stream from the air regulator.
DA pump runaway valve (B) senses when the
pump is running too fast and automatically shuts off
the air to the motor. A pump which runs too fast can
be seriously damaged.
DAn air regulator (E) controls pump speed and
outlet pressure by adjusting the air pressure to the
pump. Locate the regulator close to the pump, but
upstream from the bleed-type master air valve.
DAn air line filter (F) removes harmful dirt and
moisture from the compressed air supply.
DA second bleed-type master air valve (G) iso-
lates the air line accessories for servicing. Locate
upstream from all other air line accessories.
Fluid Line Accessories
Install the following accessories in the positions shown
in the Typical Installation, using adapters as neces-
sary:
DA fluid drain valve (J) is required in your system
to relieve fluid pressure in the hose and gun (see
the WARNING at left). Install the drain valve point-
ing down, but so the handle points up when
opened.
DA fluid filter (K) filters harmful particles from the
fluid.
DA spray gun (M) dispenses the fluid. The gun
shown in the Typical Installation is an airless
spray gun.

8 308118
Notes

9308118
Operation
Pressure Relief Procedure
WARNING
SKIN INJECTION HAZARD
Fluid under high pressure can be in-
jected through the skin and cause
serious injury. To reduce the risk of an
injury from injection, splashing fluid, or moving
parts, follow the Pressure Relief Procedure
whenever you:
Dareinstructedtorelievethepressure,
Dstop spraying,
Dcheck or service any of the system equipment,
Dor install or clean the spray tips.
1. Lock the spray gun trigger safety.
2. Shut off the air to the pump.
3. Close the bleed-type master air valve (required in
your system).
4. Unlock the gun trigger safety.
5. Hold a metal part of the gun firmly to the side of a
grounded metal pail, and trigger the gun to relieve
pressure.
6. Lock the spray gun trigger safety.
7. Open the drain valve (required in your system),
having a container ready to catch the drainage.
8. Leave the drain valve open until you are ready to
spray again.
If you suspect that the spray tip or hose is completely
clogged, or that pressure has not been fully relieved
after following the steps above, very slowly loosen the
tip guard retaining nut or hose end coupling and relieve
pressure gradually, then loosen completely. Now clear
the tip or hose.
WARNING
Moving parts can pinch or amputate your fingers or
other body parts. When air is supplied to the motor,
the air motor piston (located behind the air motor
plates) moves. See Fig. 2. Therefore, never oper-
ate the pump with the air motor plates removed.
Flush the Pump Before Using
The pump is tested with lightweight motor oil, which is
left in to protect the pump parts. If the fluid you are
using may be contaminated by the oil, flush it out with
a compatible solvent before using the pump. If the
pump is being used to supply a circulating system,
allow the solvent to circulate until the pump is thor-
oughly flushed.
WARNING
FIRE AND EXPLOSION HAZARD
For your safety, read the section FIRE
AND EXPLOSION HAZARD on page 4
before flushing and follow all the recom-
mendations given there.

10 308118
Operation
Starting and Adjusting the Pump
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 9.
See the Typical Installation on page 6. Be sure the
air regulator (E) and bleed-type master air valve (D)
are closed. Do not install the spray tip yet.
Mount the pump on the supply drum. On bung-style
drums, open the vent plug to prevent a vacuum from
forming in the drum. Hold a metal part of the spray gun
(M) firmly to the side of a grounded metal pail and hold
the trigger open. Then open the pump’s bleed-type
master air valve (D). Now slowly open the air regulator
until the pump starts, about 40 psi (280 kPa, 2.8 bar).
Cycle the pump slowly until the air is pushed out and
the pump and hoses are fully primed. Release the
spray gun trigger and engage the safety latch. The
pump should stall against pressure when the trigger is
released.
Relieve the pressure, then install the spray tip in the
gun.
With the pump and lines primed, and with adequate air
pressure and volume supplied, the pump will start and
stop as the spray gun is opened and closed. In a
circulating system, the pump will run continuously and
will speed up or slow down as supply demands until
the air supply is shut off.
Use an adequately sized air regulator (E) to control the
pump speed and the fluid pressure. Always use the
lowest air pressure necessary to get the desired
results. Higher pressures waste fluid and cause pre-
mature wear of the packings and spray tip.
WARNING
To reduce the risk of overpressurizing your system,
which could result in component rupture and cause
serious injury, never exceed the Maximum Incom-
ing Air Pressure given on your pump or in the
Technical Data on pages 22 and 24.
Keep the packing nut/wet-cup (14) filled with Graco
Throat Seal Liquid (TSL) or compatible solvent, to help
prolong the packing life. Adjust the packing nut weekly
so it is just tight enough to prevent leakage; do not
overtighten. See Fig. 2. Always relieve the pressure
before adjusting the packing nut.
Never allow the pump to run dry of the fluid being
pumped. A dry pump will quickly accelerate to a high
speed, possibly damaging itself. A pump runaway
valve (B), which shuts off the air supply to the pump if
the pump accelerates beyond the pre-set speed, is
available. If your pump accelerates quickly, or is run-
ning too fast, stop it immediately and check the fluid
supply. If the supply container is empty and air has
been pumped into the lines, refill the container and
prime the pump and the lines with fluid, or flush and
leave it filled with a compatible solvent. Be sure to
eliminate all air from the fluid system.
Shutdown and Care of the Pump
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 9.
For overnight shutdown, relieve the pressure. Always
stop the pump at the bottom of the stroke to prevent
the fluid from drying on the exposed displacement rod
and damaging the throat packings.
Always flush the pump before the fluid dries on the
displacement rod. Relieve the pressure after flushing.