Graco Water Pump 205148 User Manual

Instructions-Parts List  
®
3T:1rRaationBuslldfoger Pump  
306642F  
- For use in lubrication applications only -  
Model: 205028  
With inductor, guide bars and release bar  
Model: 205148, Series E  
Without inductor, guide bars and release bar  
300 psi (2.1 MPa, 21 bar) Maximum Working Pressure  
100 psi (0.7 MPa, 7 bar) Maximum Air Input Pressure  
Important Safety Instructions  
Read all warnings and instructions in this manual.  
Save these instructions.  
Use with lubrication applications only! This pump is  
designed to be used for pumping non-corrosive and  
non-abrasive lubricants and greases only. Any other use of  
the pump can cause unsafe operating conditions and result  
in component rupture, fire or explosion, which can cause  
serious bodily injury.  
Priming Piston Hazard  
This pump has a priming piston which extends below the  
foot valve during operation. This piston could pinch or  
amputate your fingers or hands as it moves up, into the cyl-  
inder. To reduce the risk of injury, keep your fingers and  
hands and all tools away from the priming piston during  
operation and whenever the air and fluid pressure in the  
pump is not fully relieved.  
ti10550a  
Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441  
Copyright 1958, Graco Inc. is registered to I.S. EN ISO 9001  
 
Installation  
Installation  
Grounding  
(c)  
(a)  
In a low pressure air spray system, static sparking is  
generally not a problem; however some simple precau-  
tions should be taken to reduce the risk. Check your  
local code for detailed grounding instructions for your  
area and type of equipment. Ground all equipment.  
Grounding reduces the risk of static and electric shock  
by providing an escape wire for the electrical current  
due to static build up or in the event of a short circuit.  
(b)  
(d)  
Pump: (FIG. 1) Use ground wire and clamp (sup-  
plied). Loosen grounding lug locknut (a) and washer  
(b). Insert one end of ground wire (c) into the slot in  
the lug (d). Tighten locknut securely. Connect other  
end of wire to a true earth ground.  
FIG. 1  
Air Compressor: according to manufacturer’s rec-  
ommendations.  
Object being sprayed: according to local code.  
Fluid supply container: according to local code.  
All solvent pails used when flushing: according to  
local code.  
Only use conductive, metal pails. Do not place the  
pail on a non-conductive surface such as paper or  
cardboard, which interrupts the grounding continu-  
ity.  
To maintain grounding continuity when flushing or  
relieving pressure, always hold metal part of the dis-  
penser firmly to the side of a grounded metal pail,  
then squeeze trigger.  
306642F  
3
 
 
Installation  
Air and Transfer Lines (FIG. 2)  
The typical installation shown in FIG. 2 is only provided as a guide for selecting and installing required and optional  
accessories. Be sure all air and fluid accessories are properly sized for your system and are compatible with the fluid  
you are pumping. Contact your Graco representative for assistance in designing a transfer system to suit your spe-  
cific needs.  
A
C
Air inlet  
3/4 npsm(f)  
swivel  
B
E
D
F
Key:  
A
B
C
D
E
F
Air Line Filter  
Air Regulator  
Air Runaway Valve  
Air Line Oiler  
Bleed-type Master Air Valve  
Outlet Hose  
2” npt  
outlet  
ti0551a  
FIG. 2  
3/4 in. ID Air Supply Line  
3/4 npt(f) Air Inlet Swivel  
On the Air Supply Line install:  
Install Transfer Hose (F) to the 2 in. npt(f) pump  
outlet and tighten securely.  
For air requirements and additional Technical Data  
see page 10.  
Air Filter (A) to remove harmful dirt and mois-  
ture from the compressed air supply  
Install the Pump  
Air Regulator (B) to control pump speed  
1. Remove cover from a full, open head drum of lubri-  
cant.  
Air Runaway Valve (C) to stop the pump auto-  
matically if the supply container is empty.  
2. To help eliminate air pockets, which is essential for  
good priming, smooth surface of the lubricant with a  
straight edge until it is level.  
Air Line Oiler (D) for automatic air motor lubri-  
cation  
Bleed-type master air valve (E): required in your  
system to relieve air trapped between it and the air  
motor when the valve is closed.  
3. Lift pump from the inductor plate and wipe bottom of  
plate clean.  
4. Press inductor plate down onto the lubricant. Rock  
plate back and forth to firmly seat it and to exhaust  
air trapped under the plate. Continue with this  
motion until some lubricant is forced up into the  
neck of the inductor plate.  
Never operate this pump with the bleed-type master air  
valve (E) (supplied with the air motor) removed. When  
closed, this valve relieves air trapped between it and  
the air motor. Trapped air can cause the pump to cycle  
unexpectedly and cause serious bodily injury from  
moving parts.  
5. Place pump on the inductor plate.  
4
306642F  
 
 
Operation  
Operation  
Clearing Obstructions  
Pressure Relief Procedure  
The system pressure must be manually relieved to pre-  
vent the system from starting accidentally, which could  
cause moving parts to pinch or amputate your fingers.  
To reduce the risk for injury, always follow this proce-  
dure whenever you:  
KEEP YOUR FINGERS AND HANDS AWAY FROM  
THE PRIMING PISTON! The priming piston, located  
at the pump intake, could pinch or amputate your fin-  
gers as it moves into the intake cylinder.  
1. Always relieve pressure, page 5, before attempting  
are instructed to relieve the pressure  
to clear any obstructions.  
check or service any part of the pump or system.  
2. Disconnect Air Hose. Grip 1-3/4 inch hex in the cen-  
ter of the piston to unscrew it.  
1. Shut off main air supply.  
Removing Inductor Plate from Drum  
2. Close the air regulator and bleed-type master air  
valve.  
Reference numbers and letters in parentheses in  
the text refer to the callouts in FIG. 3.  
3. Loosen a fluid fitting near the pump outlet to relieve  
fluid pressure.  
Startup  
Reference numbers and letters in parentheses in  
the text refer to the callouts in the FIG. 2.  
16  
1. Turn on the main air supply.  
2. Open Air Valve (E) and slowly open the Air Regula-  
tor (B) until the pump is running smoothly. Always  
use the lowest pressure necessary to deliver lubri-  
cant at the desired quantity.  
ti0552a  
FIG. 3  
CAUTION  
1. Relieve pressure, page 5.  
Do not let the pump run dry. A dry pump quickly  
speeds up and may damage itself. If the pump is run-  
ning erratically or speeds up suddenly, relieve pump  
pressure following Pressure Relief Procedure  
(page 5) and change the lubricant drum. Use an Air  
Runaway Valve (D) to shut off the pump automatically  
when the drum is empty.  
2. Lift pump off inductor plate.  
3. Insert the release bar (15) into the neck of the plate  
and position it so that by applying leverage, the vac-  
uum seal which formed beneath the plate, is broken.  
4. Remove the plate.  
3. Shut off the pump and relieve pressure, page 5,  
when the pump is not in use.  
306642F  
5
 
   
Troubleshooting  
Troubleshooting  
L
Problem  
Cause  
Solution  
Pump doesn’t operate  
Insufficient air supply  
Be sure adequate volume of air is  
supplied to pump. See Technical  
Data on back cover.  
Check for restriction in air line or  
closed valves or regulators.  
Check valve plate held closed by  
obstruction  
Follow the Pressure Relief Procedure  
above. Remove pump from inductor  
plate and clean pump intake.  
Damaged air motor  
See motor manual 307049, supplied.  
Change drums.  
Air motor operates but lubricant flow Empty lubricant drum  
is low  
Insufficient air supply  
Increase air pressure. Do not exceed  
100 psi (.7 MPa, 7 bar)  
Erratic pump operation  
Leakage from weep hole  
Worn, damaged or obstructed check Follow the Pressure Relief Proce-  
valve plate  
dure, page 5. Remove pump from  
inductor plate and clean and/or repair  
intake.  
Worn or damage throat packings  
Replace v-packings and glands. See  
page 7.  
6
306642F  
 
Repair  
Repair  
P
The throat packings are actually located in the  
base of the air motor, but function as the throat  
packings for the pump. To identify part numbers  
and order repair parts, refer to parts list page  
for air motor 208357 in instruction manual  
307049, supplied.  
B
C
Reference numbers and letters in parentheses  
in the text refer to the callouts in FIG. 4 and  
Parts List page 9.  
E
Lips of  
V-Packing  
Must Face  
Up  
F
1. Relieve pressure, page 5.  
Weep  
Hole  
H
K
J
2. Disconnect air hose and transfer hose. Remove air  
inlet fittings.  
M
N
G
3. Remove pump from inductor plate (20).  
L
D
17  
Lips of  
V-Packings  
Must Face  
Down  
14  
A
4. Unscrew priming piston (13) from connecting tube  
(A). The priming piston has a 1-3/4 in. hex in the  
center.  
4, 2  
19  
13  
FIG. 4  
5. Remove nuts and lock washers (4, 2) holding pump  
guides (12) and collars (17). Remove these parts.  
6. Pull intake cylinder (19) straight down.  
7. Remove screws (P) and air motor shield (B).  
8. Remove screws and washers holding air motor cyl-  
inder (C) to base (D). Pull base straight off, being  
careful not to damage smooth surfaces of connect-  
ing tube and cylinder.  
9. Inspect v-packing (E) in base. If it is worn or dam-  
aged, remove it. Grease new packing and carefully  
tuck it into base. Be sure washer (F) is in place in  
base.  
10. Unscrew packing retainer (G) and remove the  
spring and packings.  
11. Clean all parts thoroughly and inspect for wear or  
damage. Replace all packings and glads and other  
parts as necessary.  
12. Grease all parts thoroughly with light, waterproof  
grease.  
306642F  
7
 
   
Repair  
13. One at a time, install a washer (H), bearing (J),  
female gland (K), four leather v-packings (L) with  
lips of the v-packings facing out of the base, male  
gland (M), spring (N) and retainer (G).  
14. Turn retainer in about 3 times.  
15. Lubricate connecting tube (A) with light, waterproof  
grease.  
1. Relieve pressure, page 5.  
2. Disconnect air hose from motor.  
3. Remove pump from inductor plate.  
16. Carefully push base onto tube and secure it to the  
cylinder with screws and washer. Then tighten pack-  
ing retainer (G) snugly.  
4. Remove nuts and lock washers (4, 2) holding pump  
guides (12). Remove collars (17).  
17. Inspect o-ring (18) in air motor base. Replace it if it  
is damaged. Grease new o-ring before installing it.  
5. Pull cylinder (19) straight down.  
18. Install air motor shield and screws.  
6. Unscrews priming piston (13) from connecting tube  
(A). The priming piston has a 1-3/4 in. hex in the  
center.  
19. Install check valve plate (14), cylinder (19) collars  
(17), and pump guides (12). Secure with lock wash-  
ers (2) and nuts (4) on screws (5).  
7. Remove check valve plate (14).  
20. Screw priming piston (13) onto connecting tube (A).  
8. Clean all parts thoroughly and inspect for wear or  
damage. Replace parts as necessary and  
reassemble.  
8
306642F  
 
Parts  
Parts  
Model 205148  
Pump, 3:1 Bulldog  
3/4” npt air inlet  
Ref.  
No. Part No. Description  
Qty.  
2
4
5
8
10  
11  
13  
14  
17  
18  
19  
21  
100133 LOCKWASHER, spring, 3/8”  
100340 NUT, hex; 3/8-16  
100454 CAPSCREW, hex hd; 3/8-16x3”  
101864 CAPSCREW, soc hd; 5/16-18 x 1”  
162841 O-RING  
4
4
4
4
1
1
1
1
2
1
1
1
162842 ADAPTER  
162844 PLATE, priming shovel  
162846 PLATE, check valve  
162933 COLLAR, cylinder mounting  
162934* O-RING  
162936 CYLINDER, pump intake  
208357 AIR MOTOR (see manual 307049  
for parts)  
21  
8
2” npt(f)  
fluid outlet  
11  
*
Recommended “tool box” spare parts. Keep on  
hand.  
1, 3  
5
18  
10  
Model 205028  
Pump, 3:1 Bulldog with inductor  
Ref.  
17  
14  
4, 2  
19  
No. Part No. Description  
1
3
Qty.  
12  
100057 SCREW, hex hd cap; 5/16-18 x 3/4”  
100214 LOCKWASHER, spring 5/16  
4
4
13  
6
9
12  
15  
16  
20  
100799 SCREW, rd hd mach; 1/4-20 x 1/2” 18  
161288 SEGMENT, full barrel, 400 lb  
162843 GUIDE, pump  
6
4
1
1
1
16 Follow Plate Release Bar  
162852* WIPER, follow plate  
162853 BAR, follow plate release  
205144 PLATE, follow  
6
*
Recommended “tool box” spare parts. Keep on  
hand.  
9
15  
20  
ti10555a  
FIG. 5  
306642F  
9
 
 
Technical Data  
Technical Data  
Fluid Pressure Ratio. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3:1  
Air Pressure Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 - 100 psi (0.28 - 0.7 MPa, 2.8 - 7 bar)  
Maximum Working Fluid Pressure . . . . . . . . . . . . . . . . . . 300 psi (2.1 MPa, 21 bar)  
Maximum Recommended Pump Speed . . . . . . . . . . . . . 60 cycles/minute  
Air Motor Effective Diameter . . . . . . . . . . . . . . . . . . . . . . 7 in. (178 mm)  
Stroke. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3/4 in. (120 mm)  
Air Inlet Size. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3/4 npsm(f) swivel  
Fluid Outlet Size. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 in. npt(f)  
Fluid Inlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Priming Piston  
Height. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28.25 in. (718 mm)  
Inductor Diameter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22.5 in. (570 mm)  
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121 lb (53 Kg) approximate  
Wetted Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Aluminum, steel, Buna-N, Leather, Brass, neoprene/duck  
10  
306642F  
 
 
Notes  
Notes  
306642F  
11  
 
Graco Warranty and Disclaimers  
Graco Warranty and Disclaimers  
Warranty  
Graco warrants all equipment manufactured by it and bearing its name to be free from defects in material and work-  
manship on the date of sale by an authorized Graco distributor to the original purchaser for use. As purchaser’s sole  
remedy for breach of this warranty, Graco will, for a period of twelve months from the date of sale, repair or replace  
any part of the equipment proven 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, any malfunction, damage or wear caused by faulty  
installation, misapplication, abrasion, corrosion, inadequate or improper maintenance, negligence, accident, tamper-  
ing, or substitution of non-Graco component parts. Nor shall Graco be liable for malfunction, damage or wear caused  
by incompatibility with Graco equipment of structures, accessories, equipment or materials not supplied by Graco, or  
improper design, manufacture, installation, operation or maintenance of structures, accessories, equipment or mate-  
rials 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 claim. 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.  
Disclaimers and Limitations  
The terms of this warranty constitute purchaser’s sole and exclusive remedy and are in lieu of any other warranties  
(express or implied), including warranty of merchantability or warranty of fitness for a particular purpose, and of any  
non-contractual liabilities, including product liabilities, based on negligence or strict liability. Every form of liability for  
direct, special or consequential damages or loss is expressly excluded and denied. In no case shall Graco’s liability  
exceed the amount of the purchase price. Any action for breach of warranty must be brought within two (2) years of  
the date of sale.  
Equipment Not Covered by Graco Warranty  
Graco makes no warranty, and disclaims all implied warranties of merchantability and fitness for a particular purpose,  
with respect to 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.  
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.  
This manual contains English. MM 306642  
Graco Headquarters: Minneapolis  
International Offices: Belgium, China, Japan, Korea  
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441  
12/1958, Revised 6/2007  
12  
306642F  
 

Grundig TV DVD Combo GRP6000 User Manual
Hasbro Motorized Toy Car 06842 06853 User Manual
Honeywell Automobile Parts ML6284 User Manual
HP Hewlett Packard All in One Printer 4101mfp User Manual
Husky Automobile Battery Charger HSK074HD User Manual
Husky Nail Gun HDN104 User Manual
Husqvarna Lawn Mower 33RJ User Manual
Husqvarna Lawn Mower YTH2748 User Manual
IKEA Indoor Furnishings AA 122454 1 User Manual
Impex Home Gym EVE 890 User Manual