Graco Marine Sanitation System 308550ZAD User Manual

Instructions – Parts List  
POLYPROPYLENE AND PVDF  
Huskyt 2150 Air-Operated  
Diaphragm Pumps  
308550ZAD  
EN  
2–inch AODD pump for fluid transfer applications. For professional  
use only.  
Not approved to European explosive atmosphere requirements.  
See Models on page 2 for a list of pump models and descriptions.  
120 psi (0.8 MPa, 8 bar) Maximum Fluid Working Pressure  
120 psi (0.8 MPa, 8 bar) Maximum Air Input Pressure  
Patent No.  
CN ZL94102643.4  
FR 9408894  
JA 351720  
US 5,368,452  
Important Safety Instructions  
Read all warnings and instructions in the  
manual. Save these instructions.  
See page 2 for table of contents.  
04613B  
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Symbols  
Warning Symbol  
Caution Symbol  
WARNING  
CAUTION  
This symbol alerts you to the possibility of serious  
injury or death if you do not follow the instructions.  
This symbol alerts you to the possibility of damage to  
or destruction of equipment if you do not follow the  
instructions.  
WARNING  
EQUIPMENT MISUSE HAZARD  
Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury.  
D This equipment is for professional use only.  
INSTRUCTIONS  
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. Repair or replace worn or damaged parts immediately.  
D Do not exceed the maximum working pressure of the lowest rated component in your system.  
This equipment has a 120 psi (0.8 MPa, 8 bar) maximum working pressure at 120 psi  
(0.8 MPa, 8 bar) maximum incoming air pressure.  
D 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.  
D Do not use hoses to pull equipment.  
D Route hoses away from traffic areas, sharp edges, moving parts, and hot surfaces. Do not ex-  
pose Graco hoses to temperatures above 82_C (180_F) or below –40_C (–40_F).  
D Do not lift pressurized equipment.  
D Wear hearing protection when operating this equipment.  
D Comply with all applicable local, state, and national fire, electrical, and safety regulations.  
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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.  
D Know the specific hazards of the fluid you are using.  
D Store hazardous fluid in an approved container. Dispose of hazardous fluid according to all local,  
state and national guidelines.  
D Always wear protective eyewear, gloves, clothing and respirator as recommended by the fluid  
and solvent manufacturer.  
D 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 11.  
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.  
D Ground the equipment. Refer to Grounding on page 6.  
D Never use a polypropylene or PVDF pump with non-conductive flammable fluids as specified by  
your local fire protection code. Refer to Grounding on page 6 for additional information. Consult  
your fluid supplier to determine the conductivity or resistivity of your fluid.  
D 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.  
D Provide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid  
being sprayed, dispensed, or transferred.  
D 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 11.  
D Keep the work area free of debris, including solvent, rags, and gasoline.  
D Electrically disconnect all equipment in the work area.  
D Extinguish all open flames or pilot lights in the work area.  
D Do not smoke in the work area.  
D Do not turn on or off any light switch in the work area while operating or if fumes are present.  
D Do not operate a gasoline engine in the work area.  
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Installation  
General Information  
Tighten Screws Before First Use  
D The Typical Installation shown in Fig. 2 is only a  
guide for selecting and installing system compo-  
nents. Contact your Graco distributor or Graco  
Technical Assistance (see back page) for assis-  
tance in planning a system to suit your needs.  
Before using the pump for the first time, check and  
retorque all external fasteners. See Torque Se-  
quence, page 31. After the first day of operation,  
retorque the fasteners. Although pump use varies, a  
general guideline is to retorque fasteners every two  
months.  
D Always use Genuine Graco Parts and Accessories.  
Be sure all accessories are adequately sized and  
pressure-rated to meet the system’s requirements.  
D Reference numbers and letters in parentheses refer  
to the callouts in the figures and the parts lists on  
pages 27–30.  
D Variations in color between the plastic components  
of this pump are normal. Color variation does not  
affect the performance of the pump.  
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 4.  
2. Use fluids and solvents which are compatible  
with the equipment wetted parts. Refer to the  
Technical Data section of all equipment manu-  
als. Read the fluid and solvent manufacturer’s  
warnings.  
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Installation  
Ground all of this equipment:  
Grounding  
D Air Motor: Connect a ground wire and clamp as  
shown in Fig. 1. Loosen the grounding screw (W).  
Insert one end of a 12 ga (1.5 mm@) minimum  
ground wire (Y) behind the grounding screw and  
tighten the screw securely. Connect the clamp end  
of the ground wire to a true earth ground. Order  
Part No. 237569 Ground Wire and Clamp.  
WARNING  
FIRE AND EXPLOSION HAZARD  
This pump must be grounded. Before  
operating the pump, ground the system  
as explained below. Also, read the sec-  
tion FIRE AND EXPLOSION HAZARD,  
on page 4.  
NOTE: When pumping conductive flammable fluids  
with a polypropylene or a PVDF pump, always ground  
the entire fluid system. See the WARNING on page  
6.  
D Air and fluid hoses: Use only electrically conductive  
Polypropylene and PVDF are not conductive.  
Attaching the ground wire to the grounding lug will  
ground only the air motor. When pumping conduc-  
tive flammable fluids, always ground the entire  
fluid system by making sure the fluid has an electri-  
cal path to a true earth ground. See Fig. 1.  
hoses.  
D Air compressor: Follow the manufacturer’s recom-  
mendations.  
D All solvent pails used when flushing: Follow the  
local code. Use only metal pails, which are conduc-  
tive. Do not place the pail on a non-conductive  
surface, such as paper or cardboard, which inter-  
rupts the grounding continuity.  
Never use a polypropylene or a PVDF pump with  
non-conductive flammable fluids as specified by  
your local fire protection code.  
US Code (NFPA 77 Static Electricity) recommends  
D Fluid supply container: Follow the local code.  
–12  
a conductivity greater than 50 x 10  
Siemans/me-  
ter (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  
12  
than 2 x 10 ohm-centimeters.  
Y
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 equip-  
ment.  
W
02646B  
Fig. 1  
6
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Installation  
b. Locate one bleed-type master air valve (B)  
Air Line  
close to the pump and use it to relieve trapped  
air. See the WARNING at left. Locate the other  
master air valve (E) upstream from all air line  
accessories and use it to isolate them during  
cleaning and repair.  
WARNING  
A bleed-type master air valve (B) is required in  
your system to relieve air trapped between this  
valve and the pump. 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. See Fig. 2.  
c. The air line filter (F) removes harmful dirt and  
moisture from the compressed air supply.  
2. Install an electrically conductive, flexible air hose  
(A) between the accessories and the 1/2 npt(f)  
pump air inlet (N). See Fig. 2. Use a minimum 1/2”  
(13 mm) ID air hose.  
1. Install the air line accessories as shown in Fig. 2.  
Mount these accessories on the wall or on a  
bracket. Be sure the air line supplying the acces-  
sories is electrically conductive.  
3. Screw an air line quick disconnect coupler (D) onto  
the end of the air hose (A); be sure the coupler  
porting is large enough to not restrict the air flow,  
which will affect pump performance. Screw the  
mating fitting into the pump air inlet snugly. Do not  
connect the coupler (D) to the fitting until you are  
ready to operate the pump.  
a. Install an air regulator (C) and gauge to control  
the fluid pressure. The fluid outlet pressure will  
be the same as the setting of the air regulator.  
TYPICAL FLOOR-MOUNT INSTALLATION  
B
C
E
F
KEY FOR FIG. 2  
A
B
Electrically conductive air supply hose  
Bleed-type master air valve  
(required for pump)  
C
D
E
F
G
H
J
Air regulator  
Air line quick disconnect  
Master air valve (for accessories)  
Air line filter  
Fluid suction hose  
Fluid supply  
Fluid drain valve (required)  
Fluid shutoff valve  
Fluid hose  
A
D
K
S
L
K
l
N
R
S
Y
1/2 npt(f) air inlet port  
2” fluid inlet flange  
2” fluid outlet flange  
Ground wire (required; see page 6  
for installation instructions)  
N
J
Y
H
R
G
04614B  
Fig. 2  
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Installation  
Installation of Remote Pilot Air Lines  
Fluid Suction Line  
1. Refer to Parts Drawings. Connect air line to pump  
as in preceding steps.  
1. The pump fluid inlet (R) is a 2” raised face flange.  
Refer to Flange Connections on page 9.  
2. Connect 1/4 in. O.D. tubing to push type connec-  
tors (14) on air motor of pump.  
2. If the fluid inlet pressure to the pump is more than  
25% of the outlet working pressure, the ball check  
valves will not close fast enough, resulting in  
inefficient pump operation.  
NOTE: by replacing the push type connectors, other  
sizes or types of fittings may be used. The new fittings  
will require 1/8 in. npt threads.  
3. At inlet fluid pressures greater than 15 psi  
(0.1 MPa, 1 bar), diaphragm life will be shortened.  
3. Connect remaining ends of tubes to external air  
signal, such as Graco’s Cycleflo (P/N 195264) or  
Cycleflo II (P/N195265) controllers.  
4. See the Technical Data on page 34 for maximum  
suction lift (wet and dry).  
Mountings  
Fluid Outlet Line  
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 11.  
WARNING  
A fluid drain valve (J) is required to relieve pres-  
sure in the hose if it is plugged. The drain valve  
reduces the risk of serious injury, including splash-  
ing in the eyes or on the skin, or contamination  
from hazardous fluids when relieving pressure.  
Install the valve close to the pump fluid outlet. See  
Fig. 2.  
D Be sure the mounting surface can support the  
weight of the pump, hoses, and accessories, as  
well as the stress caused during operation.  
D For all mountings, be sure the pump is bolted  
directly to the mounting surface.  
1. The pump fluid outlet (S) is a 2” raised face flange.  
Refer to Flange Connections on page 9.  
D For ease of operation and service, mount the pump  
so the air valve cover (2), air inlet, and fluid inlet  
and outlet ports are easily accessible.  
2. Install a fluid drain valve (J) near the fluid outlet.  
See the WARNING above.  
D Rubber Foot Mounting Kit 236452 is available to  
reduce noise and vibration during operation.  
3. Install a shutoff valve (K) in the fluid outlet line.  
8
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Installation  
1. Place a flat washer (E) on each bolt (C). Refer to  
Flange Connections  
Fig. 3.  
The fluid inlet and outlet ports are 2” raised face,  
standard 150 lb class pipe flanges. Connect 2” flanged  
plastic pipe to the pump as follows. You will need:  
2. Align the holes in the gasket (B) and the pipe  
flange (A) with the holes in the pump outlet  
flange (S).  
D Torque wrench  
D Adjustable wrench  
3. Lubricate the threads of the four bolts. Install the  
bolts through the holes and secure with the wash-  
ers (E), lockwashers (D), and nuts (F).  
D 6” diameter, 1/8” thick PTFE gasket, with four 0.75”  
diameter holes on a 4.75” diameter bolt circle, and  
a 2.20” diameter center  
4. Hold the nuts with a wrench. Refer to the tighten-  
ing sequence in Fig. 3 and torque the bolts to  
20–30 ft-lb (27–41 NSm). Do not over-torque.  
D Four 5/8” x 3” bolts  
D Four 5/8” spring lockwashers  
D Eight 5/8” flat washers  
D Four 5/8” nuts.  
5. Repeat for the pump inlet flange (R).  
BOLT TIGHTENING SEQUENCE  
1
3
2
1
4
F
D
E
S
B
04405  
A
E
C
1
R
KEY FOR FIG. 3  
A
B
C
D
E
F
Flanged plastic pipe  
PTFE gasket  
Bolt  
Lockwasher  
Flat washer  
Nut  
R
S
2” fluid inlet flange  
2” fluid outlet flange  
Lubricate threads. Torque to 20–30 ft-lb  
1
(27–41 NSm). Do not over-torque.  
04615B  
Fig. 3  
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Installation  
Changing the Orientation of the Fluid Inlet  
Fluid Pressure Relief Valve  
and Outlet Ports  
The pump is shipped with the fluid inlet (R) and outlet  
(S) ports facing the same direction. See Fig. 4. To  
change the orientation of the inlet and/or outlet port:  
CAUTION  
Some systems may require installation of a pres-  
sure relief valve at the pump outlet to prevent  
overpressurization and rupture of the pump or  
hose. See Fig. 5.  
1. Remove the screws and washers (106, 112, 113  
and 114) holding the inlet (102) and/or outlet (103)  
manifold to the covers (101).  
Thermal expansion of fluid in the outlet line can  
cause overpressurization. This can occur when  
using long fluid lines exposed to sunlight or ambi-  
ent heat, or when pumping from a cool to a warm  
area (for example, from an underground tank).  
2. Reverse the manifold and reattach. Install the  
screws and washers and torque to 150–160 in–lb  
(17–18 NSm). See Torque Sequence, page 31.  
KEY  
N
P
1/2 npt(f) air inlet port  
Muffler  
Air exhaust port is 3/4  
npt(f) .  
2” fluid inlet flange  
2” fluid outlet flange  
101 Fluid covers  
102 Fluid inlet manifold  
103 Fluid outlet manifold  
106 Fluid outlet manifold  
screws (top)  
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.  
R
S
112 Fluid inlet manifold  
screws (bottom)  
113 Fluid outlet manifold  
washer  
114 Fluid inlet manifold  
washer  
Torque to 150–160 in–lb  
(17–18 NSm). See Torque  
Sequence, page 31.  
1
KEY  
R
S
V
2” fluid inlet flange  
2” fluid outlet flange  
Pressure relief valve  
Part No. 112119 (stainless steel)  
106  
113  
1
103  
1
2
Install valve between fluid inlet and outlet ports.  
Connect fluid inlet line here.  
S
3
Connect fluid outlet line here.  
N
3
S
V
1
101  
R
2
P
R
102  
04616B  
04613B  
114  
112  
1
Fig. 5  
Fig. 4  
10  
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Installation  
The air exhaust port is 3/4 npt(f). Do not restrict the air  
Air Exhaust Ventilation  
exhaust port. Excessive exhaust restriction can cause  
erratic pump operation.  
WARNING  
If the muffler (P) is installed directly to the air exhaust  
port, apply PTFE thread tape or anti–seize thread  
lubricant to the muffler threads before assembly.  
FIRE AND EXPLOSION HAZARD  
Be sure to read and follow the warnings  
and precautions regarding TOXIC  
FLUID HAZARD, and FIRE OR EXPLO-  
SION HAZARD on page 4, before op-  
erating this pump.  
To provide a remote exhaust:  
1. Remove the muffler (P) from the pump air exhaust  
port.  
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 handl-  
ing areas, and all sources of ignition when pumping  
flammable or hazardous fluids.  
2. Install an electrically conductive air exhaust hose  
(T) and connect the muffler (P) to the other end of  
the hose. The minimum size for the air exhaust  
hose is 3/4 in. (19 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. See Fig. 6.  
Diaphragm failure will cause the fluid being  
pumped to exhaust with the air. Place an appropri-  
ate container at the end of the air exhaust line to  
catch the fluid. See Fig. 6.  
3. Place a container (U) at the end of the air exhaust  
line to catch fluid in case a diaphragm ruptures.  
VENTING EXHAUST AIR  
KEY  
A
B
Air supply line  
Bleed-type master air valve  
(required for pump)  
C
D
E
F
Air regulator  
E
F
C
B
Air line quick disconnect  
Master air valve (for accessories)  
Air line filter  
P
T
U
Muffler  
Electrically conductive air exhaust hose  
Container for remote air exhaust  
A
D
T
U
P
04617  
Fig. 6  
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Operation  
1. Be sure the pump is properly grounded. Refer to  
Pressure Relief Procedure  
Grounding on page 6.  
WARNING  
2. Check all fittings to be sure they are tight. Be sure  
to use a compatible liquid thread sealant on all  
male threads. Tighten the fluid inlet and outlet  
fittings securely.  
PRESSURIZED EQUIPMENT HAZARD  
The equipment stays pressurized until pressure is  
manually relieved. To reduce the risk of serious  
injury from pressurized fluid, accidental spray from  
the gun or splashing fluid, follow this procedure  
whenever you:  
3. Place the suction tube (if used) in the fluid to be  
pumped.  
D Are instructed to relieve pressure,  
D Stop pumping,  
D Check, clean or service any system equipment,  
D Install or clean fluid nozzles.  
NOTE: If the fluid inlet pressure to the pump is more  
than 25% of the outlet working pressure, the ball check  
valves will not close fast enough, resulting in inefficient  
pump operation.  
1. Shut off the air to the pump.  
2. Open the dispensing valve, if used.  
4. Place the end of the fluid hose (L) into an appropri-  
ate container.  
3. Open the fluid drain valve to relieve all fluid pres-  
sure, having a container ready to catch the drain-  
age.  
5. Close the fluid drain valve (J). See Fig. 2.  
Flush the Pump Before First Use  
The pump was tested with lightweight oil, which is left  
in the fluid passages to protect parts. To avoid contam-  
inating your fluid with oil, flush the pump with a com-  
patible solvent before using the equipment. Follow the  
steps under Starting and Adjusting the Pump.  
6. With the pump air regulator (C) closed, open all  
bleed-type master air valves (B, E).  
7. If the fluid hose has a dispensing device, hold it  
open while continuing with the following step.  
Starting and Adjusting the Pump  
WARNING  
8. Slowly open the air regulator (C) until the pump  
starts to cycle. Allow the pump to cycle slowly until  
all air is pushed out of the lines and the pump is  
primed.  
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. Do not lift a pump under pressure. If  
dropped, the fluid section may rupture. Always fol-  
low the Pressure Relief Procedure above before  
lifting the pump.  
If you are flushing, run the pump long enough to  
thoroughly clean the pump and hoses. Close the  
air regulator. Remove the suction tube from the  
solvent and place it in the fluid to be pumped.  
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Operation  
NOTE: Leaving air pressure applied to the air motor for  
Operation of Remote Piloted Pumps  
extended periods when the pump is not running may  
shorten the diaphragm life. Using a 3–way solenoid  
valve to automatically relieve the pressure on the air  
motor when the metering cycle is complete prevents  
this from occurring.  
1. Fig. 2 and Parts Drawings. Follow preceding steps  
1 through 7 of Starting and Adjusting Pump.  
2. Open air regulator (C).  
Pump Shutdown  
WARNING  
The pump may cycle once before the external sig-  
nal is applied. Injury is possible. If pump cycles,  
wait until end before proceeding.  
WARNING  
To reduce the risk of serious injury whenever you  
are instructed to relieve pressure, always follow the  
Pressure Relief Procedure at left.  
3. Pump will operate when air pressure is alternately  
applied and relieved to push type connectors (14).  
At the end of the work shift, relieve the pressure.  
Maintenance  
Flush the pump often enough to prevent the fluid you  
are pumping from drying or freezing in the pump and  
damaging it. Flush with a fluid that is compatible with  
the fluid you are pumping and with the wetted parts in  
your system. Check with your fluid manufacturer or  
supplier for recommended flushing fluids and flushing  
frequency.  
Lubrication  
The air valve is designed to operate unlubricated.  
However, if lubrication is desired, every 500 hours of  
operation (or monthly) remove the hose from the pump  
air inlet and add two drops of machine oil to the air  
inlet.  
Always flush the pump and relieve the pressure before  
storing it for any length of time.  
CAUTION  
Tightening Threaded Connections  
Do not over-lubricate the pump. Oil is exhausted  
through the muffler, which could contaminate your  
fluid supply or other equipment. Excessive lubrica-  
tion can also cause the pump to malfunction.  
Before each use, check all hoses for wear or damage,  
and replace as necessary. Check to be sure all  
threaded connections are tight and leak free. Check  
fasteners. Tighten or retorque as necessary. Although  
pump use varies, a general guideline is to retorque  
fasteners every two months. See Torque Sequence,  
page 31.  
Flushing and Storage  
WARNING  
Preventive Maintenance Schedule  
To reduce the risk of serious injury whenever you  
are instructed to relieve pressure, always follow the  
Pressure Relief Procedure on page 12.  
Establish a preventive maintenance schedule, based  
on the pump’s service history. This is especially impor-  
tant for prevention of spills or leakage due to dia-  
phragm failure.  
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Troubleshooting  
1. Relieve the pressure before checking or servicing  
WARNING  
the equipment.  
To reduce the risk of serious injury whenever you  
are instructed to relieve pressure, always follow the  
Pressure Relief Procedure on page 12.  
2. Check all possible problems and causes before  
disassembling the pump.  
PROBLEM  
CAUSE  
SOLUTION  
Pump cycles at stall or fails to hold  
pressure at stall.  
Worn check valve balls (301), seats Replace. See page 18.  
(201) or o-rings (202).  
Pump will not cycle, or cycles once Air valve is stuck or dirty.  
and stops.  
Disassemble and clean air valve.  
See pages 16–17. Use filtered air.  
Check valve ball (301) severely  
worn and wedged in seat (201) or  
manifold (102 or 103).  
Replace ball and seat. See page  
18.  
Check valve ball (301) is wedged  
Install Pressure Relief Valve  
into seat (201), due to overpressur- (see page 10).  
ization.  
Dispensing valve clogged.  
Clogged suction line.  
Sticky or leaking balls (301).  
Diaphragm ruptured.  
Restricted exhaust.  
Suction line is loose.  
Diaphragm ruptured.  
Relieve pressure and clear valve.  
Inspect; clear.  
Pump operates erratically.  
Air bubbles in fluid.  
Clean or replace. See page 18.  
Replace. See pages 19–22.  
Remove restriction.  
Tighten.  
Replace. See pages 19–22.  
Loose inlet manifold (102), dam-  
aged seal between manifold and  
Tighten manifold bolts (112) or re-  
place seats (201) or o-rings (202).  
seat (201), damaged o-rings (202). See page 18.  
Loose fluid side diaphragm plate  
(105).  
Tighten or replace. See pages  
19–22.  
14  
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Troubleshooting  
PROBLEM  
CAUSE  
SOLUTION  
Fluid in exhaust air.  
Diaphragm ruptured.  
Replace. See pages 19–22.  
Loose fluid side diaphragm plate  
(105).  
Tighten or replace. See pages  
19–22.  
Pump exhausts excessive air at  
stall.  
Worn air valve block (7), o-ring (6), Inspect; replace. See pages 16–17.  
plate (8), pilot block (18), u-cups  
(10), or pilot pin o-rings (17).  
Worn shaft seals (402).  
Replace. See pages 19–22.  
Pump leaks air externally.  
Air valve cover (2) or air valve cover Tighten screws. See page 17.  
screws (3) are loose.  
Air valve gasket (4) or air cover  
gasket (22) is damaged.  
Inspect; replace. See pages 16–17,  
23–24.  
Air cover screws (25) are loose.  
Tighten screws. See pages 23–24.  
Pump leaks fluid externally from ball Loose manifolds (102, 103), dam-  
check valves. aged seal between manifold and  
Tighten manifold bolts (106 and  
112) or replace seats (201) or  
seat (201), damaged o-rings (202). o-rings (202). See page 18.  
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Service  
Repairing the Air Valve  
2
3
2
4{H  
Tools Required  
D Torque wrench  
D Torx (T20) screwdriver or 7 mm (9/32”) socket  
D Needle-nose pliers  
D O-ring pick  
D Lithium base grease  
NOTE: Air Valve Repair Kits 236273 (aluminum center  
housings) and 255061 (stainless steel center hous-  
ings) are available. Refer to page 27. Parts included in  
the kit are marked with a symbol, for example (4{H).  
Use all the parts in the kit for the best results.  
Disassembly  
WARNING  
To reduce the risk of serious injury whenever you  
are instructed to relieve pressure, always follow the  
Pressure Relief Procedure on page 12.  
Torque to 50–60 in-lb  
2
(5.6–6.8 NSm).  
04618B  
Fig. 7  
1. Relieve the pressure.  
2. With a Torx (T20) screwdriver or 7 mm (9/32”)  
socket wrench, remove the six screws (3), air  
valve cover (2), and gasket (4). See Fig. 7.  
1
2
5
See Detail at right.  
Grease.  
2
3
H{6  
H{7  
3. Move the valve carriage (5) to the center position  
and pull it out of the cavity. Remove the valve  
block (7) and o-ring (6) from the carriage. Using a  
needle-nose pliers, pull the pilot block (18) straight  
up and out of the cavity. See Fig. 8.  
3
Grease lower face.  
4. Pull the two actuator pistons (11) out of the bear-  
ings (12). Remove the u-cup packings (10) from  
the pistons. Pull the pilot pins (16) out of the  
bearings (15). Remove the o-rings (17) from the  
pilot pins. See Fig. 9.  
3
H{18  
5
1
5. Inspect the valve plate (8) in place. If damaged,  
use a Torx (T20) screwdriver or 7 mm (9/32”)  
socket wrench to remove the three screws (3).  
Remove the valve plate (8) and, on aluminum  
center housing models only, remove the seal (9).  
See Fig. 10.  
11  
6. Inspect the bearings (12, 15) in place. See Fig. 9.  
The bearings are tapered and, if damaged, must  
be removed from the outside. This requires disas-  
sembly of the fluid section. See page 23.  
7. Clean all parts and inspect for wear or damage.  
Replace as needed. Reassemble as explained on  
page 17.  
16  
04900  
Fig. 8  
16  
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Service  
Install with lips facing  
narrow end of piston (11).  
Insert wide end first.  
1
Rounded side must face down.  
1
2
3
4
3
Insert narrow end first.  
Grease.  
2
Tighten screws until  
they bottom out on the  
housing.  
2
8H  
9{  
1
10{H  
2
3
4
11  
12  
03947  
Fig. 10  
1
17{  
15 16  
2
04901  
Fig. 9  
Reassembly  
1. If you removed the bearings (12, 15), install new  
ones as explained on page 23. Reassemble the  
fluid section.  
6. Lubricate the u-cup packings (10{H) and actuator  
pistons (11). Insert the actuator pistons in the  
bearings (12), wide end first. Leave the narrow  
end of the pistons exposed. See Fig. 9.  
2. On aluminum center housing models, install the  
valve plate seal (9{) into the groove at the bottom  
of the valve cavity. The rounded side of the seal  
must face down into the groove. See Fig. 10.  
7. Grease the lower face of the pilot block (18{H) and  
install so its tabs snap into the grooves on the  
ends of the pilot pins (16). See Fig. 8.  
8. Grease the o-ring (6{H) and install it in the valve  
block (7{H). Push the block onto the valve carriage  
(5). Grease the lower face of the valve block. See  
Fig. 8.  
3. Install the valve plate (8H) in the cavity. On alumi-  
num center housing models, the plate is reversible,  
so either side can face up. Install the three screws  
(3), using a Torx (T20) screwdriver or 7 mm (9/32”)  
socket wrench. Tighten until the screws bottom out  
on the housing. See Fig. 10.  
9. Install the valve carriage (5) so its tabs slip into the  
grooves on the narrow end of the actuator pistons  
(11). See Fig. 8.  
4. Install an o-ring (17{H) on each pilot pin (16).  
Grease the pins and o-rings. Insert the pins into  
the bearings (15), narrow end first. See Fig. 9.  
10. Align the valve gasket (4{H) and cover (2) with the  
six holes in the center housing (1). Secure with six  
screws (3), using a Torx (T20) screwdriver or 7  
mm (9/32”) socket wrench. Torque to 50–60 in-lb  
(5.6–6.8 NSm). See Fig. 7.  
5. Install a u-cup packing (10{H) on each actuator  
piston (11), so the lips of the packings face the  
narrow end of the pistons. See Fig. 9.  
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Service  
Torque to 150–160 in–lb (17–18 NSm). See Torque Se-  
quence, page 31.  
Ball Check Valve Repair  
1
Tools Required  
2
Arrow (A) must point toward outlet manifold (103).  
D Torque wrench  
3
Not used on some models.  
106  
113  
1
D 10 mm socket wrench  
D O-ring pick  
Disassembly  
NOTE: A Fluid Section Repair Kit is available. Refer to  
page 26 to order the correct kit for your pump. Parts  
included in the kit are marked with an asterisk, for  
example (201*). Use all the parts in the kit for the best  
results.  
103  
301*  
NOTE: To ensure proper seating of the balls (301),  
always replace the seats (201) when replacing the  
balls.  
201*  
202*  
101  
3
WARNING  
To reduce the risk of serious injury whenever you  
are instructed to relieve pressure, always follow the  
Pressure Relief Procedure on page 12.  
A
2
1. Relieve the pressure. Disconnect all hoses.  
2. Remove the pump from its mounting.  
301*  
3. Using a 10 mm socket wrench, remove the eight  
bolts (106), and four washers (113), holding the  
outlet manifold (103) to the fluid covers (101). See  
Fig. 11.  
201*  
202*  
3
4. Remove the seats (201), balls (301), and o-rings  
(202) from the manifold.  
NOTE: Some models do not use o-rings (202).  
102  
5. Turn the pump over and remove the bolts (112),  
washers (114), and inlet manifold (102). Remove  
the seats (201), balls (301), and o-rings (202) from  
the fluid covers (101).  
114  
112  
Reassembly  
1
1. Clean all parts and inspect for wear or damage.  
Replace parts as needed.  
04619C  
Fig. 11  
2. Reassemble in the reverse order, following all  
notes in Fig. 11. Be sure the ball checks are as-  
sembled exactly as shown. The arrows (A) on the  
fluid covers (101) must point toward the outlet  
manifold (103).  
18  
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Service  
Diaphragm Repair  
WARNING  
Tools Required  
To reduce the risk of serious injury whenever you  
are instructed to relieve pressure, always follow the  
Pressure Relief Procedure on page 12.  
D Torque wrench  
D 13 mm socket wrench  
D Adjustable wrench  
D 19 mm open–end wrench  
D O-ring pick  
1. Relieve the pressure.  
2. Remove the manifolds and disassemble the ball  
check valves as explained on page 18.  
D Lithium-base grease  
Disassembly  
NOTE: A Fluid Section Repair Kit is available. Refer to  
page 26 to order the correct kit for your pump. Parts  
included in the kit are marked with an asterisk, for  
example (401*). Use all the parts in the kit for the best  
results.  
3. Using 13 mm socket wrenches, remove the  
screws (107 and 108) holding the fluid covers  
(101) to the air covers (23). Pull the fluid covers  
(101) off the pump. See Fig. 12.  
You must torque the eight long screws (108) first, then the  
1
short screws (107). Torque to 190–220 in-lb (21–25 NSm).  
See Torque Sequence, page 31.  
2
Arrow (A) must point toward air valve (B).  
B
23  
101  
2
A
1
107  
108  
1
04620B  
Fig. 12  
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Service  
4. Unscrew one outer plate (105) from the diaphragm  
Reassembly – Standard Diaphragms  
1. Grease the shaft u-cup packings (402*) and install  
them so the lips face out of the housing (1). See  
Fig. 13.  
shaft (24). Remove one diaphragm (401), and the  
inner plate (104). See Fig. 13.  
For overmolded diaphragms: Grip both dia-  
phragms securely around the outer edge and  
rotate counterclockwise. One diaphragm assembly  
will come free and the other will remain attached to  
the shaft. Remove the freed diaphragm and air  
side plate.  
2. Grease the length and ends of the diaphragm shaft  
(24) and slide it through the housing (1).  
3. Assemble the inner diaphragm plates (104), dia-  
phragms (401*), PTFE diaphragms (403*, if pres-  
ent), and outer diaphragm plates (105) exactly as  
shown in Fig. 13. These parts must be assembled  
correctly.  
NOTE: PTFE models include a PTFE diaphragm (403)  
in addition to the backup diaphragm (401).  
5. Pull the other diaphragm assembly and the dia-  
phragm shaft (24) out of the center housing (1).  
Hold the shaft flats with a 19 mm open–end  
wrench, and remove the outer plate (105) from the  
shaft. Disassemble the remaining diaphragm  
assembly.  
4. Apply medium-strength (blue) LoctiteR or equiva-  
lent to the threads of the fluid-side plates (105).  
Hold one of the outer plates (105) with a wrench,  
and torque the other outer plate to 20 to 25 ft-lb  
(27 to 34 NSm) at 100 rpm maximum. Do not  
over-torque.  
For overmolded diaphragms: Pull the other dia-  
phragm assembly and the diaphragm shaft (24)  
out of the center housing (1). Hold the shaft flats  
with a 19 mm open–end wrench and remove the  
diaphragm and air side plate from the shaft.  
5. Align the fluid covers (101) and the center housing  
(1) so the arrows (A) on the covers face the same  
direction as the air valve (B). Secure the covers  
with the screws (107 and 108), handtight. Install  
the longer screws (108) in the top and bottom  
holes of the covers. See Fig. 12.  
6. Inspect the diaphragm shaft (24) for wear or  
scratches. If it is damaged, inspect the bearings  
(19) in place. If the bearings are damaged, refer to  
page 23.  
6. First, torque the longer screws (108) oppositely  
and evenly to 190–220 in-lb (21–25 NSm), using a  
13 mm socket wrench. Then torque the shorter  
screws (107). See Torque Sequence, page 31.  
7. Reach into the center housing (1) with an o-ring  
pick and hook the u-cup packings (402), then pull  
them out of the housing. This can be done with the  
bearings (19) in place.  
8. Clean all parts and inspect for wear or damage.  
Replace parts as needed.  
7. Reassemble the ball check valves and manifolds  
as explained on page 18.  
20  
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Reassembly – Overmolded Diaphragms  
5. Assemble the other diaphragm assembly to the  
shaft as explained in step 2. This diaphragm will  
be lifted off the air cover at this point.  
WARNING  
To reduce the risk of serious injury, including  
amputation, do not put your fingers or hand be-  
tween the air cover and the diaphragm.  
6. Supply the pump with low pressure air (less than 7  
psi [0.05 MPa, 0.5 bar]). The diaphragm will very  
slowly pull onto the air cover. Find the pressure  
that keeps the diaphragm close enough to secure  
with the screws, but does not let it contact the pilot  
pin.  
1. Lubricate and install the shaft u–cup packings  
(402*) so the lips face out of the housing (1). See  
Fig. 13.  
NOTE: Do not deform the diaphragm manually. The  
diaphragm needs uniform pressure to deform properly  
for maximum life.  
2. Assemble the air side plate (104) onto the dia-  
phragm (403). The wide, radiused side of the plate  
must face the diaphragm. Apply medium–strength  
(blue) Loctite or equivalent to the threads of the  
diaphragm assembly. Screw the assembly into the  
shaft (24) hand–tight.  
7. Align the fluid cover (101) and the center housing  
(1) so the arrow (A) faces the same direction as  
the air valve. Secure the cover with two of the  
longer screws (108), handtight.  
NOTE: If the diaphragm contacts the pilot pin and is  
forced away from the air cover, try Step 5 again. If  
necessary, return to Step 3.  
3. Grease the length and ends of the diaphragm shaft  
(24). Insert the shaft/diaphragm assembly into one  
side of the pump. Align the fluid cover (101) and  
the center housing (1) so the arrow (A) faces the  
same direction as the air valve. Secure the cover  
with the screws (107 and 108), handtight.  
8. Torque the longer screws (108) oppositely and  
evenly to 190–220 in–lb (21–25 NSm), using a  
13mm socket wrench. Then torque the shorter  
screws (107). See Torque Sequence, page 31.  
4. Torque the longer screws (108) oppositely and  
evenly to 190–220 in–lb (21–25 NSm), using a  
13mm socket wrench. Then torque the shorter  
screws (107). See Torque Sequence, page 31.  
9. Reassemble the ball check valves and manifolds  
as explained on page 18.  
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Service  
19  
402*  
1
105  
5
403*  
1
1
24  
104  
401*  
2
4
3
2
04708  
03982  
Cutaway View, with Diaphragms in Place  
Cutaway View, with Diaphragms Removed  
24  
3
104  
401*  
2
1
403*  
2
4
105  
5
24  
3
1
Lips face out of housing (1).  
2
3
4
5
Air Side must face center housing (1).  
Grease.  
Used on Models with PTFE diaphragms only.  
Apply medium-strength (blue) LoctiteR or equivalent.  
Torque to 20 to 25 ft-lb (27 to 34 N-m) at 100 rpm maxi-  
mum.  
04621B  
Fig. 13  
22  
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Service  
7. Use a bearing puller to remove the diaphragm  
Bearing and Air Gasket Removal  
shaft bearings (19), air valve bearings (12) or pilot  
pin bearings (15). Do not remove undamaged  
bearings.  
Tools Required  
D Torque wrench  
D 10 mm socket wrench  
D Bearing puller  
8. If you removed the diaphragm shaft bearings (19),  
reach into the center housing (1) with an  
o-ring pick and hook the u-cup packings (402),  
then pull them out of the housing. Inspect the  
packings. See Fig. 13.  
D O-ring pick  
D Press, or block and mallet  
Reassembly  
1. If removed, install the shaft u-cup packings (402*)  
Disassembly  
NOTE: Do not remove undamaged bearings.  
so the lips face out of the housing (1).  
2. The bearings (19, 12, and 15) are tapered and can  
only be installed one way. Insert the bearings into  
the center housing (1), tapered end first. Using a  
press or a block and rubber mallet, press-fit the  
bearing so it is flush with the surface of the center  
housing.  
WARNING  
To reduce the risk of serious injury whenever you  
are instructed to relieve pressure, always follow the  
Pressure Relief Procedure on page 12.  
3. Reassemble the air valve as explained on page  
17.  
1. Relieve the pressure.  
2. Remove the manifolds and disassemble the ball  
check valves as explained on page 18.  
4. Align the new air cover gasket (22) so the pilot pin  
(16) protruding from the center housing (1) fits  
through the proper hole (H) in the gasket.  
3. Remove the fluid covers and diaphragm assem-  
blies as explained on page 19.  
5. Align the air cover (23) so the pilot pin (16) fits in  
the middle hole (M) of the three small holes near  
the center of the cover. Install the screws (25),  
handtight. See Fig. 14. Using a 10 mm socket  
wrench, torque the screws oppositely and evenly  
to 130–150 in-lb (15–17 NSm).  
NOTE: If you are removing only the diaphragm shaft  
bearing (19), skip step 23.  
4. Disassemble the air valve as explained on page  
16.  
5. Using a 10 mm socket wrench, remove the screws  
(25) holding the air covers (23) to the center  
housing (1). See Fig. 14.  
6. Install the diaphragm assemblies and fluid covers  
as explained on page 19.  
6. Remove the air cover gaskets (22). Always replace  
the gaskets with new ones.  
7. Reassemble the ball check valves and manifolds  
as explained on page 18.  
308550  
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Service  
1
2
3
Insert bearings tapered end first.  
12  
Press-fit bearings flush with surface of center housing (1).  
2
1
Torque to 130–150 in-lb (15–17 NSm).  
1
1
2
1
15  
23  
16  
H
M
Detail of Air Valve Bearings  
22  
03951  
25  
3
19  
2
1
03952B  
Fig. 14  
24  
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Pump Matrix  
Husky 2150 Polypropylene and PVDF Pumps, Series A  
Your Model No. is marked on the pump’s serial plate. To determine the Model No. of your pump from the following  
matrix, select the six digits which describe your pump, working from left to right. The first digit is always D,  
designating Husky diaphragm pumps. The remaining five digits define the materials of construction. For example, a  
pump with a Husky 2150 aluminum air motor, polypropylene fluid section, polypropylene seats, PTFE balls, and  
PTFE diaphragms is Model D F 2 9 1 1. To order replacement parts, refer to the part lists on pages 27–29. The  
digits in the matrix do not correspond to the ref. nos. in the parts drawing and lists.  
Diaphragm  
Pump  
Air Motor  
Fluid Section  
polypropylene  
1 (not used)  
Seats  
Balls  
Diaphragms  
Fluoroelastomer  
1 (PTFE)  
232504*  
aluminum  
polypropylene  
1 (not used)  
PTFE  
D (for all pumps) F aluminum  
(standard)  
1 (PTFE)  
24B762*  
G aluminum  
(remote)  
2 (polypropy-  
lene)  
2 (not used)  
3 (316 SST)  
2 (Acetal)  
2 (not used)  
3 (not used)  
24B763*  
V SST (stan-  
dard)  
3 (aluminum;  
see  
3 (not used)  
manual 308368)  
24B764*  
4 (SST; see  
manual 308368)  
4 (17–4 PH SST)  
4 (440C SST)  
4 (not used)  
24B765*  
24B833*  
5 (PVDF)  
5 (TPE)  
5 (TPE)  
5 (TPE)  
6 (Santoprener)  
7 (Buna–N)  
6 (Santoprener)  
7 (Buna–N)  
6 (Santoprener)  
7 (Buna–N)  
8 (Fluoroelastomer) 8 (Fluoroelastomer) 8 (Fluoroelastomer)  
9 (polypropylene)  
A (PVDF)  
G (Geolastr)  
G (Geolastr)  
G (Geolastr)  
* 232504, Polypropylene 2150 Pump, Series C  
Model No. 232504 is a private-label polypropylene  
2150 pump. This pump is the same as Model No.  
DF2918 except for the label and:  
* 24B764 Polypropylene Pump  
This pump is the same as Model DF2911 except for  
the serial plate and parts listed in the chart below.  
Ref. Nos. 10 and 402 are 115666 Packing, U–cup,  
Fluoroelastomer  
Ref. No. 17 is 168518 O–ring, Fluoroelastomer  
Use 243492 as the Air Valve Repair Kit  
* 24B765 Polypropylene Pump  
This pump is the same as Model DF2311 except for  
the serial plate and parts listed in the chart below.  
246452 Stainless Steel Air Motor Conversion Kit  
* 24B833 PVDF Pump  
Use kit 246452 and refer to manual 309643 (included  
with kit) to convert from aluminum air motor to  
stainless steel air motor.  
This pump is the same as Model DF5A11 except for  
the serial plate and parts listed in the chart below.  
* 24B762 PVDF Plus Pump  
This pump is the same as Model DV5A11 except for  
the serial plate and parts listed in the chart at right.  
Ref.  
No.  
104  
105  
401  
Part No. Description  
Qty  
2
15H811  
–––  
PLATE, air side; alum.  
not used  
0
* 24B763 Polypropylene Plus Pump  
This pump is the same as Model DV2911 except for  
15G746 DIAPHRAGM, HD, overmolded;  
PTFE/EPDM  
2
the serial plate and parts listed in the chart at right.  
308550  
25  
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Repair Kit Matrix  
For Husky 2150 Polypropylene and PVDF Pumps, Series A  
Repair Kits may be ordered separately. To repair the air valve, order Part No. 236273 for aluminum center housing  
models, or Part No. 255061 for stainless steel housing models (see page 27). Parts included in the Air Valve Repair  
Kit are marked with a symbol in the parts list, for example (4{H).  
To repair your pump, select the six digits which describe your pump from the following matrix, working from left to  
right. The first digit is always D, the second digit is always 0 (zero), and the third is always G. The remaining three  
digits define the materials of construction. Parts included in the kit are marked with an asterisk in the parts list, for  
example (201*).  
For example, if your pump has polypropylene seats, PTFE balls, and PTFE diaphragms, order Repair Kit D 0 G 9  
1 1. If you only need to repair certain parts (for example, the diaphragms), use the 0 (null) digits for the seats and  
balls, and order Repair Kit D 0 G 0 0 1. The digits in the matrix do not correspond to the ref. nos. in the parts  
drawing and lists on pages 27–29.  
Diaphragm  
Pump  
Fluid Section  
Material  
Null  
Seats  
Balls  
Diaphragms  
0 (null)  
D (for all pumps) 0 (for all pumps) G (Plastic)  
0 (null)  
0 (null)  
1 (not used)  
2 (not used)  
3 (316 SST)  
4 (17–4 PH SST)  
5 (TPE)  
1 (PTFE)  
1 (PTFE)  
2 (Acetal)  
3 (not used)  
4 (440C SST)  
5 (TPE)  
2 (not used)  
3 (not used)  
4 (not used)  
5 (TPE)  
6 (Santoprener)  
7 (Buna–N)  
6 (Santoprener)  
7 (Buna–N)  
6 (Santoprener)  
7 (Buna–N)  
8 (Fluoroelastomer) 8 (Fluoroelastomer) 8 (Fluoroelastomer)  
9 (polypropylene)  
A (PVDF)  
G (Geolastr)  
G (Geolastr)  
G (Geolastr)  
Part No. 253628: Husky 2150 HD Overmolded PTFE/EPDM Diaphragm Repair Kit.  
Part No. 289226: Husky 2150 HD Overmolded PTFE/EPDM Diaphragm Repair Kit,  
with new air side diaphragm plates.  
Part No. 24F399: Husky 2150 PTFE/Santoprene Backer Diaphragm Repair Kit,  
for plastic pumps.  
26  
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Parts  
Air Motor Parts List (Matrix Column 2)  
Ref.  
Digit No.  
Ref.  
Digit No.  
Part No. Description  
Qty  
Part No. Description  
Same as F with the following exceptions  
Qty  
F
1
2
3
188838  
188854  
116344  
HOUSING, center;  
aluminum  
1
G
1
195921  
HOUSING, center;  
remote, aluminum  
1
2
COVER, air valve;  
aluminum  
1
9
23  
195919  
COVER, air; remote  
SCREW, mach, hex  
flange hd; M5 x 0.8;  
12 mm (0.47 in.)  
V
Same as F with the following exceptions  
1
15K009  
15A735  
15H178  
HOUSING, center;  
stainless steel  
1
1
1
188618  
188855  
108730  
188616  
188615  
188617  
112181  
188612  
188613  
104765  
115671  
GASKET, cover; foam  
CARRIAGE; aluminum  
O-RING; nitrile  
1
1
1
1
1
1
2
2
2
2
2
4{H  
5
2
COVER, air valve;  
stainless steel  
6{H  
7{H  
8
8J  
PLATE, air valve: stain-  
less steel  
BLOCK, air valve; acetal  
PLATE, air valve; sst  
SEAL, valve plate; buna-N  
PACKING, u-cup; nitrile  
PISTON, actuator; acetal  
BEARING, piston; acetal  
PLUG, pipe; headless  
9
–––  
–––  
–––  
2
23  
15A742  
COVER, air; stainless  
steel  
9{  
10{H  
11  
12  
13}  
14}  
FITTING, connector;  
male  
15  
188611  
188610  
157628  
188614  
188609  
116343  
188603  
189300  
189304  
115643  
BEARING, pin; acetal  
PIN, pilot; stainless steel  
O-RING; buna-N  
2
16  
2
2
17{H  
18{H  
19  
BLOCK, pilot; acetal  
BEARING, shaft; acetal  
SCREW, grounding  
1
2
20  
1
22  
GASKET, air cover; foam  
COVER, air; aluminum  
SHAFT, diaphragm; sst  
2
23  
2
24  
1
25  
SCREW; M8 x 1.25;  
25 mm (1 in.)  
12  
308550  
27  
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Parts  
Fluid Section Parts List (Matrix Column 3)  
Ref.  
5
101  
102  
103  
189795  
189789  
189792  
COVER, fluid; PVDF  
2
1
1
Digit No.  
Part No. Description  
Qty  
MANIFOLD, inlet; PVDF  
2
101  
102  
103  
104  
105  
106  
107  
108  
189793  
189787  
189790  
189298  
189796  
112560  
112368  
114181  
COVER, fluid;  
polypropylene  
2
MANIFOLD, outlet;  
PVDF  
MANIFOLD, inlet;  
polypropylene  
1
104  
189298  
PLATE, air side;  
aluminum  
2
MANIFOLD, outlet;  
polypropylene  
1
105  
106  
189798  
112560  
PLATE, fluid side; PVDF  
2
8
PLATE, air side;  
aluminum  
2
SCREW; M8 x 1.25;  
70 mm (2.76 in.); sst  
PLATE, fluid side;  
polypropylene  
2
107  
108  
112368  
114181  
SCREW; M10 x 1.50;  
60 mm (2.36 in.); sst  
16  
8
SCREW; M8 x 1.25;  
70 mm (2.76 in.); sst  
8
SCREW; M10 x 1.50;  
110 mm (4.33 in.); sst  
SCREW; M10 x 1.50;  
60 mm (2.36 in.); sst  
16  
8
110Y 188621  
LABEL, warning  
MUFFLER  
1
1
8
111  
112  
102656  
112559  
SCREW; M10 x 1.50;  
110 mm (4.33 in.); sst  
SCREW; M8 x 1.25;  
40 mm (1.57 in.); sst  
110Y 188621  
LABEL, warning  
MUFFLER  
1
1
8
113  
114  
15J379  
15J380  
WASHER, manifold; out-  
let  
4
4
111  
112  
102656  
112559  
SCREW; M8 x 1.25;  
40 mm (1.57 in.); sst  
WASHER, manifold; inlet  
113  
114  
15J379  
15J380  
WASHER, manifold;  
outlet  
4
4
WASHER, manifold; inlet  
28  
308550  
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Parts  
Seat Parts List (Matrix Column 4)  
Diaphragm Parts List (Matrix Column 6)  
Ref.  
Ref.  
Digit No.  
Part No. Description  
Qty  
4
Digit No.  
Part No. Description  
DIAPHRAGM, backup;  
Qty  
3
201* 189288 SEAT; 316 stainless steel  
1
401* not sold  
separately polychloroprene (CR)  
2
202* 112358  
201* 189289  
O-RING; PTFE  
4
402* 112181  
PACKING, u-cup; nitrile  
DIAPHRAGM; PTFE  
DIAPHRAGM; TPE  
2
2
2
2
2
4
SEAT; 17–4 stainless  
steel  
4
403* 15K313  
401* 189295  
402* 112181  
401* 189296  
202* 112358  
201* 189292  
O-RING; PTFE  
SEAT; TPE  
4
4
0
4
4
4
0
4
0
4
4
4
4
4
4
5
6
5
6
7
8
9
A
G
PACKING, u-cup; nitrile  
202  
None  
Not Used  
DIAPHRAGM; Santo-  
prene  
201* 189290  
202* 112358  
201* 15B267  
SEAT; Santoprene  
O-RING; PTFE  
SEAT; Buna–N  
Not used  
402* 112181  
401* 15B313  
402* 112181  
401* 15B502  
PACKING, u-cup; nitrile  
DIAPHRAGM; Buna–N  
PACKING, u-cup; nitrile  
2
2
2
2
7
8
202  
201* 15B265  
202 None  
None  
DIAPHRAGM; Fluoroe-  
lastomer  
SEAT; Fluoroelastomer  
Not used  
402* 112181  
401* 194216  
402* 112181  
PACKING, u-cup; nitrile  
DIAPHRAGM; Geolast  
PACKING, u-cup; nitrile  
2
2
2
201* 189291  
202* 112358  
201* 189745  
202* 112358  
201* 194215  
202* 112358  
SEAT; polypropylene  
O-RING; PTFE  
SEAT; PVDF  
G
* These parts are included in the pump repair kit, purchased  
separately. See Repair Kit Matrix on page 26 to determine  
the correct kit for your pump.  
O-RING; PTFE  
SEAT; Geolast  
O-RING; PTFE  
Ball Parts List (Matrix Column 5)  
Ref.  
Digit No.  
Part No. Description  
Qty  
4
1
2
4
301* 112359  
301* 112363  
BALL; PTFE  
BALL; acetal  
4
301* 112360  
BALL; 440C stainless  
steel  
4
5
6
7
8
G
301* 112745  
301* 112361  
301* 15B492  
301* 15B491  
301* 114753  
BALL; TPE  
4
4
4
4
4
BALL; Santoprene  
BALL; Buna–N  
BALL; Fluoroelastomer  
BALL; Geolast  
308550  
29  
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Parts  
106  
113  
3
2
103  
11 10{  
4{H  
Y110  
H{17  
5
104  
16  
H{18  
401*  
6{H  
7{H  
8H  
301*  
3
403*  
1
201*  
202*  
9{  
105  
16  
1
17{H  
1
14 }  
107  
12  
23  
25  
10{H  
11  
22  
24  
15  
*402  
108  
101  
19  
20  
111  
*301  
*201  
13 }  
202*  
1
102  
1
Not used on some models.  
04622D  
114  
112  
*
These parts are included in the Pump Repair Kit, which may be purchased separately.  
Refer to the Repair Kit Matrix on page 26 to determine the correct kit for your pump.  
{
These parts are included in Air Valve Repair Kit 236273 (aluminum center housing mod-  
els), which may be purchased separately.  
J These parts are included in Air Valve Repair Kit 255061 (stainless steel center housing  
models), which may be purchased separately.  
Y Replacement Danger and Warning labels, tags and cards are available at no cost.  
}
These parts are unique to remote piloted air motor,DG––––  
30  
308550  
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Torque Sequence  
Always follow torque sequence when instructed to torque fasteners.  
1. Left/Right Fluid Covers  
3. Outlet Manifold  
Torque bolts to 190–220 in–lb (21–25 NSm)  
Torque bolts to 150–160 in–lb (17–18 NSm)  
28  
26  
1
3
8
5
24  
22  
10  
12  
11  
9
23  
21  
6
7
27  
25  
4
2
SIDE VIEW  
TOP VIEW  
2. Inlet Manifold  
Torque bolts to 150–160 in–lb (17–18 NSm)  
20  
18  
14  
15  
16  
13  
19  
17  
BOTTOM VIEW  
308550  
31  
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Dimensions  
FRONT VIEW  
B
1/2 npt(f)  
Air Inlet  
3/4 npt(f)  
Air Exhaust  
(muffler  
included)  
G
H
F
C
J
M
D
E
SIDE VIEW  
PUMP MOUNTING HOLE PATTERN  
6.25 in.  
(159 mm)  
Port Diameter:  
2.20 in. (56 mm)  
Four 0.625 in.  
(16 mm) Diameter Holes  
Flange Diameter:  
6 in. (152.5 mm)  
L
Eight 0.75 in.  
(19 mm) slots  
D
Dimensions B, C, F, G, H and M can  
vary by up to 1/4 in. (6.3 mm) depending  
on the seat and diaphragm material  
fitted in the pump.  
45_  
6.0 in.  
(152.5  
mm)  
7441A  
K
12.5 in.  
(317.5 mm)  
32  
308550  
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Dimensions  
SST Center  
Polypropylene  
Cover  
SST Center  
PVDF Cover  
Aluminum  
Center  
Polypropylene  
Cover  
Aluminum  
Center  
Dimension  
PVDF Cover  
in.  
mm  
280  
349  
152  
501  
487  
576  
652  
89  
in.  
mm  
280  
345  
152  
499  
484  
573  
649  
89  
in.  
mm  
280  
349  
152  
501  
487  
576  
652  
89  
in.  
mm  
280  
345  
152  
499  
484  
573  
649  
89  
B
C
D
E
F
11.0  
13.7  
6.0  
11.0  
13.6  
6.0  
11.0  
13.7  
6.0  
11.0  
13.6  
6.0  
19.7  
19.2  
22.7  
25.7  
3.5  
19.6  
19.1  
22.6  
25.6  
3.5  
19.7  
19.2  
22.7  
25.7  
3.5  
19.6  
19.1  
22.6  
25.6  
3.5  
G
H
J
K
L
0.5  
6.0  
8.0  
13  
0.5  
6.0  
8.0  
13  
0.5  
6.0  
8.0  
13  
0.5  
6.0  
8.0  
13  
152  
203  
152  
203  
152  
203  
152  
203  
M
308550  
33  
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Technical Data  
Maximum fluid working pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 psi  
(0.8 MPa, 8 bar)  
Air pressure operating range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20–120 psi  
(0.14–0.8 MPa, 1.4–8 bar)  
Maximum air consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175 scfm  
Air consumption at 70 psi/60 gpm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 scfm (see chart)  
Maximum free-flow delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150 gpm (568 l/min)  
Maximum pump speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145 cpm  
Gallons (Liters) per cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.03 (3.90)  
Maximum suction lift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 ft (5.48 m) wet or dry  
Maximum size pumpable solids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1/4 in. (6.3 mm)  
* Maximum noise level at 100 psi and 50 cpm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 dBa  
* Sound power level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 dBa  
* Noise level at 70 psi and 50 cpm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 dBa  
Maximum operating temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150_F (65.5_C)  
Air inlet size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1/2 npt(f)  
Fluid inlet size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2” Raised Face Flange  
Fluid outlet size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2” Raised Face Flange  
Wetted parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Vary by Model. See pages 27–29  
Non-wetted external parts . . . . . . . . . . . . . . . . . . . . . . . . . . . aluminum, 302 and 316 stainless steel, polyester (labels)  
Weight  
Polypropylene pumps with Aluminum center section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 lb (22 kg)  
PVDF pumps with Aluminum center section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 lb (31 kg)  
Polypropylene pumps with stainless steel center section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 lb (32kg)  
PVDF pumps with stainless steel center section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 lb (41 kg)  
Geolastr and Santoprener are registered trademarks of the Monsanto Co.  
Loctiter is a registered trademark of the Loctite Corporation.  
*
Noise levels measured with the pump mounted on the floor, using Rubber Foot Kit 236452. Sound power  
measured per ISO Standard 9216.  
34  
308550  
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Performance Chart  
Example of Finding Pump Air Consumption and Air Pressure at a Specific Fluid Delivery and Discharge Head:  
To supply 60 gpm (227 liters) fluid flow (horizontal scale) at 40 psi (0.28 MPa, 2.8 bar) discharge head pressure (vertical scale) re-  
quires approximately 60 scfm (1.68 m#/min) air consumption at 70 psi (0.48 MPa, 4.8 bar) inlet air pressure.  
feet  
(meters)  
psi  
(MPa, bar)  
120  
(0.8, 8)  
280  
A
B
INLET AIR PRESSURES  
(85.3)  
A
B
C
D
120 psi air (0.8 MPa, 8 bar)  
100 psi air (0.7 MPa, 7 bar)  
70 psi air (0.48 MPa, 4.8 bar)  
40 psi air (0.28 MPa, 2.8 bar)  
E
240  
100  
(0.7, 7)  
(73.2)  
F
200  
80  
(61.0)  
(0.56, 5.6)  
AIR CONSUMPTION  
G
E
F
25 scfm (0.70 m#/min)  
50 scfm (1.40 m#/min)  
75 scfm (2.10 m#/min)  
100 scfm (2.80 m#/min)  
C
D
160  
(48.8)  
60  
(0.42, 4.2)  
G
H
H
120  
(36.6)  
40  
(0.28, 2.8)  
80  
(24.4)  
20  
40  
(0.14, 1.4)  
(12.2)  
0
0
30  
60  
(227)  
90  
120  
150  
0
(114)  
(341)  
(454)  
(568)  
FLUID FLOW GPM (lpm)  
TEST CONDITIONS  
Pump tested in water with PTFE diaphragm and inlet  
submerged.  
KEY  
FLUID PRESSURE AND FLOW  
SCFM AIR CONSUMPTION  
308550  
35  
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Graco Warranties  
Graco Standard Husky Pump Warranty  
Graco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on the  
date of sale to the original purchaser for use. With the exception of any special, extended, or limited warranty published by Graco,  
Graco will, for a period of five years from the date of sale, repair or replace any part of the equipment determined by Graco to be  
defective. This warranty applies only when the equipment is installed, operated and maintained in accordance with Graco’s written  
recommendations.  
This warranty does not cover, and Graco shall not be liable for general wear and tear, or any malfunction, damage or wear caused by  
faulty installation, misapplication, abrasion, corrosion, inadequate or improper maintenance, negligence, accident, tampering, or sub-  
stitution 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 improper design, manufacture,  
installation, operation or maintenance of structures, accessories, equipment or materials not supplied 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, and  
transportation.  
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.  
Graco’s sole obligation and buyer’s sole remedy for any breach of warranty shall be as set forth above. The buyer agrees that no other  
remedy (including, but not limited to, incidental or consequential damages for lost profits, lost sales, injury to person or property, or any  
other incidental or consequential loss) shall be available. Any action for breach of warranty must be brought within six 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 accessories, equipment, materials or components sold but not manufactured by Graco. These items sold, but not manufactured  
by Graco (such as electric motors, switches, hose, etc.), are subject to the warranty, if any, of their manufacturer. Graco will provide  
purchaser with reasonable assistance in making any claim for breach of these warranties.  
In no event will Graco be liable for indirect, incidental, special or consequential damages resulting from Graco supplying equipment  
hereunder, or the furnishing, performance, or use of any products or other goods sold hereto, whether due to a breach of contract,  
breach of warranty, the negligence of Graco, or otherwise.  
FOR GRACO CANADA CUSTOMERS  
The parties acknowledge that they have required that the present document, as well as all documents, notices and legal proceedings  
entered into, given or instituted pursuant hereto or relating directly or indirectly hereto, be drawn up in English. Les parties reconnais-  
sent avoir convenu que la rédaction du présente document sera en Anglais, ainsi que tous documents, avis et procédures judiciaires  
exécutés, donnés ou intentés à la suite de ou en rapport, directement ou indirectement, avec les procedures concernées.  
Extended Product Warranty  
Graco warrants all Husky 205, 307, 515, 716, 1040, 1590, 2150, and 3275 air valve center sections to be free from defects in material  
and workmanship for a period of fifteen years from date installed in service by the original purchaser. Normal wear of items such as  
packings or seals are not considered to be defects in material and workmanship.  
Five years  
Six to Fifteen years  
Graco will provide parts and labor.  
Graco will replace defective parts only.  
Graco Information  
TO PLACE AN ORDER, contact your Graco distributor or call to identify the distributor closest to you:  
Phone: 612–623–6921 or Toll Free: 1–800–328–0211 Fax: 612–378–3505  
All written and visual data contained in this document reflects the latest product information available at the time of publication.  
Graco reserves the right to make changes at any time without notice.  
Original instructions. This manual contains English. MM 308550  
Graco Headquarters: Minneapolis  
International Offices: Belgium, China, Japan, Korea  
GRACO INC. AND SUBSIDIARIES S P.O. BOX 1441 S MINNEAPOLIS, MN 55440-1441 S USA  
Copyright 1995, Graco Inc. All Graco manufacturing locations are registered to ISO 9001.  
Revision ZAD, December 2013  
36  
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