Graco Husky 307 F Series Operation manual

01428B
Instructions - Parts List
ACETAL AND POLYPROPYLENE
Husky307 Air-Operated
Diaphragm Pumps 308553ZAE
EN
For pumping transfer applications. For professional use only.
Only pumps with acetal fluid sections are approved for use in European explosive
atmosphere locations.
100 psi (0.7 MPa, 7 bar) Maximum Fluid Working Pressure
100 psi (0.7 MPa, 7 bar) Maximum Air Input Pressure
*Model No. D31 ___ Acetal Pumps**, Series F
*Model No. D32 ___ Polypropylene Pumps, Series F
*Model No. D3A ___ Acetal BSPT Pumps**, Series F
*Model No. D3B ___ Polypropylene BSPT Pumps, Series F
* To determine the Model No. for your pump and for additional models, refer to the Pump Matrix on page 26.
** Pumps with Acetal fluid sections are certified:
Important Safety Instructions
Read all warnings and instructions in this
manual. Save these instructions.
II 2 GD
Ex h IIC 66°...135°C Gb
Ex h IIIC T135°C Db
ATEX T-code rating is dependent on the temperature
of the fluid beingpumped. Fluid temperature is limited
by the materials of the pump interior wetted parts.
See Technical Data for the maximum fluid operating
temperature for your specific pump model.
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2 308553ZAE
Table of Contents
Warnings .........................................................2
Installation......................................................4
Operation......................................................11
Troubleshooting ..........................................12
Maintenance.................................................14
Service..........................................................16
Replacing the Air Valve.........................16
Repairing the Air Valve .........................18
Ball Check Valves..................................21
Diaphragm Repair..................................23
Pump Matrix.................................................26
Additional Diaphragm Pumps........................26
Repair Kit Matrix..........................................27
Parts..............................................................28
Torque Sequence ........................................32
Technical Data and Performance Charts ......33
Dimensions ..................................................35
Graco Warranties ..........................................36
Graco Information .......................................36
Symbols
Warning Symbol
Caution Symbol
WARNING
This symbol alerts you to the possibility of serious
injury or death if you do not follow the instructions.
CAUTION
This symbol alerts you to the possibility of damage to
or destruction of equipment if you do not follow the
instructions.
WARNING
INSTRUCTIONS
EQUIPMENT MISUSE HAZARD
Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury.
•This equipment is for professional use only.
•Read all instruction manuals, tags, and labels before operating the equipment.
•Use the equipment only for its intended purpose. If you are not sure, call your Graco distributor.
•Do not alter or modify this equipment.
•Check equipment daily. Repair or replace worn or damaged parts immediately.
•Do not exceed the maximum working pressure of the lowest rated component in your system. This
equipment has a 100 psi (7 bar) maximum working pressure at 100 psi (0.7 MPa, 7 bar)
maximum incoming air pressure.
•Use fluids and solvents that are compatiblewith the equipment wetted parts. Refer to the Technical
Data section of all equipment manuals. Read the fluid and solvent manufacturer’s warnings.
•Do not kink or overbend hoses or use hoses to pull equipment.
•Route 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).
•Do not lift pressurized equipment.
•Comply with all applicable local, state, and national fire, electrical, and safety regulations.
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308553ZAE 3
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.
• Know the specific hazards of the fluid you are using.
• Store hazardous fluid in an approved container. Dispose of hazardous fluid according to all local,
state and national guidelines.
• Always wear protective eyewear, gloves, clothing and respirator as recommended by the fluid and
solvent manufacturer.
• Pipe and dispose of the exhaust air safely, away from people, animals, and food handling areas. If
the diaphragm fails, the fluid is exhausted along with the air. See Air Exhaust Ventilation on
page 10.
• To pump acids, always use a polypropylene pump. Take precautions to avoid acid or acid fumes
from contacting the pump housing exterior. Stainless steel parts will be damaged by exposure to
acid spills and fumes. Never use an acetal pump to pump acids.
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.
•Ground all equipment. Refer to Grounding on page 5.
•Never use a polypropylene pump with non-conductive flammable fluids as specified by your local
fire protection code. Refer to Grounding on page 5 for additional information. Consult your fluid
supplier to determine the conductivity or resistivity of your fluid.
•If there is any static sparking or you feel an electric shock while using this equipment, stop
pumping 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
pumped.
•Pipe and dispose of the exhaust air safely, away from all sources of ignition. If the diaphragm fails,
the fluid is exhausted along with the air. See Air Exhaust Ventilation on page 10.
•Keep the work area free of debris, including solvent, rags, and gasoline.
•Electrically disconnect all equipment in the work area.
•Extinguish all open flames or pilot lights in the work area.
•Do not smoke in the work area.
•Do not turn on or off any light switch in the work area while operating or if fumes are present.
•Do not operate a gasoline engine in the work area.
•Keep a fire extinguisher in the work area.
WARNING
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4 308553ZAE
Installation
General Information
The Typical Installations in FIG. 4 to FIG. 7 are only
guides for selecting and installing system
components. Contact your Graco distributor for
assistance in planning a system to suit your needs.
Always use Genuine Graco Parts and Accessories,
available from your Graco distributor. Refer to the
Product Data Sheet for the pump, Form No. 305528
(acetal pumps) or 305543 (polypropylene pumps). If
you supply your own accessories, be sure they are
adequately sized and pressure rated for your system.
Use a compatible, liquid thread sealant or PTFE tape
on all male threads. Tighten all connections firmly to
avoid air or fluid leaks. Do not over-tighten plastic
threads.
Reference numbers and letters in parentheses refer to
the callouts in the Figures and the parts lists on pages
28 to 29.
Tightening Threaded Fasteners
Before First Use
Before using the pump for the first time, check and
retorque all external fasteners. See Torque Sequence,
page 32. After the first day of operation, retorque the
fasteners. Although pump use varies, a general guideline
is to retorque fasteners every two months.
Mountings
Be sure the mounting can support the weight of the
pump, hoses, and accessories, as well as the stress
caused during operation.
The Husky 307 Pump can be used in a variety of
installations, some of which are shown in FIG. 4 to FIG.
7. Kits are available to adapt your pump to your
system. Refer to the Product Data Sheet for the
pump, Form No. 305528 (acetal pumps) or 305543
(polypropylene pumps).
For all other mountings, be sure the pump is
adequately secured.
Prolonged exposure to UV radiation will degrade
natural polypropylene components of the pumps. To
prevent potential injury or equipment damage, do not
expose pump or the plastic components to direct
sunlight for prolonged periods.
Dual Manifolds
Dual manifold kits are available to enable you to pump two
fluids simultaneously, or to mix two fluids in the pump.
Order Part No. 237211 for acetal pumps and Part No.
237210 for polypropylene pumps.
WARNING
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.
1. Read TOXIC FLUID HAZARD on page 3.
2. Use fluids and solvents which are compatible
with the equipment wetted parts. Refer to the
Technical Data section of all equipment
manuals. Read the fluid and solvent
manufacturer’s warnings.
CAUTION
Safe Operating Temperature
Minimum: 40 F (4.4 C); Maximum: 150 F (66 C).
Operating outside these temperature limits will
adversely affect the strength of the pump housing.
Certain chemicals may further reduce the operating
temperature range. Consult engineering guides for
chemical compatibilities and temperature limits, or
contact your Graco distributor.
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Int'l: +001 267 404 2910

308553ZAE 5
Installation
Grounding
To reduce the risk of static sparking, ground the pump and
all other equipment used or located in the pumping area.
Check your local electrical code for detailed grounding
instructions for your area and type of equipment.
Ground all of this equipment:
Pump: Attach a ground wire (Y) to the grounding strip
(112) with the screw (28), lockwasher (29) and nut
(27), as shown in FIG. 1. Connect the clamp end ofthe
ground wire to a true earth ground. Order Part No.
222011 Ground Wire and Clamp.
NOTE: When pumping conductive flammable fluids with
a polypropylene pump, always ground the fluid system.
See the WARNING at left. FIG. 4 through FIG. 7 show
recommended methods of grounding flammable fluid
containers during filling.
FIG. 1 ____________________
Air and fluid hoses: Use only electrically conductive
hoses.
Air compressor: Follow the manufacturer’s
recommendations.
Solvent pails used when flushing: Follow your local
code. Use only metal pails, which are conductive. Do
not place the pail on a non-conductive surface, such
as paper or cardboard, which interrupts the grounding
continuity.
Fluid supply container: Follow your local code.
WARNING
FIRE AND EXPLOSION HAZARD
This pump must be grounded. Before
operating the pump, ground the system as
explained at right. Also read the section
FIRE AND EXPLOSION HAZARD on
page 3.
The acetal pump contains stainless steel fibers, which
makes the wetted parts conductive. Attaching the
ground wire to the grounding strip grounds the air
motor and the wetted parts.
The polypropylene pump is not conductive.
When pumping conductive flammable fluids, always
ground the entire fluid system by making sure the fluid
system has an electrical path to a true earth ground
(see FIG. 4 through FIG. 7). Never use a
polypropylene pump with non-conductive flammable
fluids as specified by your local fire protection code.
US Code (NFPA 77 Static Electricity) recommends a
conductivity greater than 50 x 10-12 Siemans/meter
(mhos/meter) over your operating temperature range
to reduce the hazard of fire. Consult your fluid supplier
to determine the conductivity or resistivity of your fluid.
The resistivity must be less than 2 x 1012
ohm-centimeters.
Y
112
27
29
28
01432B
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6 308553ZAE
Installation
Air Line
1. Install the air line accessories as shown in FIG. 4 to
FIG. 7. Mount these accessories on the wall or on a
bracket. Be sure the air line supplying the
accessories is grounded.
a. The fluid pressure can be controlled in either of
two ways. To control it on the air side, install an
air regulator (H). To control it on the fluid side,
install a fluid regulator (M) near the pump fluid
outlet (see FIG. 5).
b. Locate one bleed-type master air valve (B) close
to the pump and use it to relieve trapped air. See
the WARNING above. Locate the other master
air valve (E) upstream from all air line
accessories and use it to isolate them during
cleaning and repair.
c. The air line filter (F) removes harmful dirt and
moisture from the compressed air supply.
2. Install an electrically conductive, flexible air hose (C)
between the accessories and the 1/4 npt(f) pump air
inlet (see FIG. 2). Use a minimum 1/4” (6.3 mm) ID air
hose. Screw an air line quick disconnect coupler (D)
onto the end of the air hose (C), and screw the
mating fitting into the pump air inlet snugly. Do not
connect the coupler (D) to the fitting yet.
Fluid Suction Line
If using a conductive (acetal) pump, use conductive
hoses. If using a non-conductive (polypropylene)
pump, ground the fluid system. See Grounding on
page 5.
The pump fluid inlet is 3/8 npt(f). See FIG. 2.
Screw the fluid fitting into the pump inlet snugly. Use a
compatible liquid thread sealant or PTFE tape on
connections to prevent air from getting into material
line.
At inlet fluid pressures greater than 15 psi (0.1 MPa,1
bar), diaphragm life will be shortened.
See the Technical Data on pages 33 and 34 for
maximum suction lift and flow rate loss at various lift
distances.
Fluid Outlet Line
Use electrically conductive fluid hoses (N). The pump
fluid outlet is 3/8 npt(f). See FIG. 2. Screw the fluid
fitting into the pump outlet snugly.
Install a fluid regulator (M) at the pump fluid outlet to
control fluid pressure, if desired (see FIG. 5). See Air
Line, step 1a, for another method of controlling
pressure.
Install a fluid drain valve (J) near the fluid outlet. See
the WARNING above.
WARNING
A bleed-type master air valve (B) is required in your
system to relieve air trapped between this valve and
the pump. See FIG. 4 to FIG. 7. Trapped air can cause
the pump to cycle unexpectedly, which could result in
serious injury, including splashing in the eyes or on
the skin, injury from moving parts, or contamination
from hazardous fluids.
CAUTION
The pump exhaust air may contain contaminants.
Ventilate to a remote area if the contaminants could
affect your fluid supply. See Air Exhaust Ventilation
on page 10.
WARNING
A fluid drain valve (J) is required in your system to
relieve pressure in the hose if it is plugged. See FIG. 4
to FIG. 7. The drain valve reduces the risk of serious
injury, including splashing in the eyes or on the skin,
or contamination from hazardous fluids when relieving
pressure. Install the valve close to the pump fluid
outlet.
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308553ZAE 7
Installation
Changing the Orientation of the Fluid Inlet and
Outlet Ports
The pump is shipped with the fluid inlet and outlet ports
facing the same direction. See FIG. 2. If desired, the
direction of one or both ports can be changed. Remove
the manifold(s) from the pump as explained in steps 1, 2,
and 4 on page 21. Reattach with the port facing the
desired direction. See Torque Sequence on page 32. Do
not over-torque.
Acetal Pump Shown
FIG. 2 _____________________
Fluid Pressure Relief Valve
KEY
A 3/8 npt(f) fluid inlet port
B 3/8 npt(f) fluid outlet port
C Pressure relief valve
Part No. 112119 (stainless steel)
FIG. 3_____________________
01459B
1
2
3
5
4
Apply thread lube, and torque to 50 to 60 in-lb
(5.6 to 6.8 N-m). See Torque Sequence on
page 32. Do not over-torque.
1/4 npt(f) air inlet
3/8 npt(f) fluid inlet
3/8 npt(f) fluid outlet
3/8 npt(f) air exhaust port
1
2
3
4
5
CAUTION
Some systems may require installation of a pressure
relief valve at the pump outlet to prevent
overpressurization and rupture of the pump or hose.
See FIG. 3.
Thermal expansion of fluid in the outlet line can cause
overpressurization. This can occur when using long
fluid lines exposed to sunlight or ambient heat, or
when pumping from a cool to a warm area (for
example, from an underground tank).
Overpressurization can also occur if the Husky pump
is being used to feed fluid to a piston pump, and the
intake valve of the piston pump does not close,
causing fluid to back up in the outlet line.
Install valve between fluid inlet and outlet ports.
Connect fluid inlet line here. Use a compatible
liquid sealant or PTFE tape on connection to
prevent air from getting into the material line.
Connect fluid inlet line here.
1
2
3
C
A
B1
2
3
01539B
1
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8 308553ZAE
01434B
H
J
A
C
DG
K
L
M
N
P
R
Y
S
F
BE
H
J
01433B
A
C
D
G
K
L
M
NP
R
S
Y
F BE
Installation
STAND-MOUNTED AIR SPRAY INSTALLATION
KEY
A Husky 307 Pump
B Bleed-Type Master Air Valve
(required for pump)
C Air Supply Hose
D Air Line Quick Disconnect
E Master Air Valve (for accessories)
F Air Line Filter
G Gun Air Regulator
H Pump Air Regulator
J Fluid Drain Valve (required)
K Fluid Recirculation Line
L Fluid Suction Line
M Surge Tank and Filter
N Fluid Supply Hose
P Gun Air Supply Hose
R Air Spray Gun
S Floor Stand
Y Ground Wire (required; see page 5 for installation
instructions)
FIG. 4 _______________________________________________
PAIL-MOUNTED HVLP AIR SPRAY INSTALLATION
KEY
A Husky 307 Pump
B Bleed-Type Master Air Valve (required for pump)
C Air Supply Line
D Air Line Quick Disconnect
E Master Air Valve (for accessories)
F Air Line Filter
G Gun Air Regulator
H Pump Air Regulator
J Fluid Drain Valve (required)
K Agitator
L Fluid Suction Line
M Fluid Regulator
N Fluid Supply Hose
P Gun Air Supply Hose
R HVLP Air Spray Gun
S Pail Cover
Y Ground Wire (required; see page 5 for installation
instructions)
FIG. 5 _______________________________________________
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308553ZAE 9
Installation
BUNG-MOUNT TRANSFER INSTALLATION
FIG. 6 _____________________
WALL-MOUNT TRANSFER INSTALLATION
FIG. 7_____________________
01444B
Y
J
C
N
L
FHBE
M
AD
01457B
Y
J
NC
L
FHBE
S
T
D
A
KEY
A Husky 307 Pump
B Bleed-Type Master Air Valve
(required for pump)
C Air Supply Line
D Air Line Quick Disconnect
E Master Air Valve (for accessories)
F Air Line Filter
H Pump Air Regulator
J Fluid Drain Valve (required)
L Fluid Suction Line
M Fluid Inlet Filter
N Fluid Supply Hose
Y Ground Wire (required; see page 5
for installation instructions)
KEY
A Husky 307 Pump
B Bleed-Type Master Air Valve
(required for pump)
C Air Supply Line
D Air Line Quick Disconnect
E Master Air Valve (for accessories)
F Air Line Filter
H Pump Air Regulator
J Fluid Drain Valve (required)
L Fluid Suction Line
N Fluid Supply Hose
S Wall Bracket
T Bung Adapter
Y Ground Wire (required; see page 5
for installation instructions)
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10 308553ZAE
Installation
Air Exhaust Ventilation
The air exhaust port is 3/8 npt(f). Do not restrict the air
exhaust port. Excessive exhaust restriction can cause
erratic pump operation.
To exhaust to a remote location:
1. Remove the muffler (11) from the pump air exhaust
port.
2. Install an electrically conductive air exhaust hose (X)
and connect the muffler to the other end of the hose.
The minimum size for the air exhaust hose is 3/8 in.
(10 mm) ID. If a hose longer than 15 ft (4.57 m) is
required, use a larger diameter hose. Avoid sharp
bends or kinks in the hose.
3. Place a container (Z) at the end of the air exhaust
line to catch fluid in case a diaphragm ruptures. If the
fluid is flammable, ground the container. See FIG. 8.
VENTING EXHAUST AIR (Submerged Installation Shown)
See FIG. 4 for accessories
In a submerged installation (as shown), all wetted and non-wetted pump parts
must be compatible with the fluid being pumped.
FIG. 8 _______________________________________________
WARNING
FIRE AND EXPLOSION HAZARD
Be sure to read FIRE AND EXPLOSION
HAZARD and TOXIC FLUID HAZARD on
page 3, before operating this pump.
Be sure the system is properly ventilated
for your type of installation. You must vent
the exhaust to a safe place, away from
people, animals, food handling areas, and
all sources of ignition when pumping
flammable or hazardous fluids.
Diaphragm failure will cause the fluid being pumped to
exhaust with the air. Place an appropriate container at
the end of the air exhaust line to catch the fluid. See
FIG. 8.
WARNING
PRESSURIZED EQUIPMENT HAZARD
To reduce the risk of serious eye injury
from ice particles, never operate the
pump with the air exhaust port open. Ice
may form during pump operation, and ice particles
will be ejected from the port along with the exhaust
air. If the muffler (11) is removed, always connect an
air exhaust hose to the exhaust port.
01445A
Z
X
11
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