Graco Fast-Flo Datenblatt
03783
03761
Stubby Pump
Bung-Mounted
Drum Length Pump
Bung-Mounted
Adjustable Length Pump
03761
INSTRUCTIONS–PARTS
LIST
307–427
Rev.
V
Supersedes U
1:1
RA
TIO
Fast-Flo
Pump
12.4 bar (180 psi) Maximum Air Input Pressure
12.4 bar (180 psi) Maximum Fluid Working Pressure
Refer
to page 4 for a list of pump models.
Table
of Contents
Symbols 2.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warnings 2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pump
Models
4.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance 9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pump
Service
11.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pump
Parts
12–16.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Displacement
Pump Service
17–32.
. . . . . . . . . . . . . . . .
Displacement
Pump Parts
18–34.
. . . . . . . . . . . . . . . . . .
Accessories 36
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dimensions 38
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical
Data
39.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warranty 40
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Graco
Phone Numbers
40.
. . . . . . . . . . . . . . . . . . . . . . . .
GRACO INC. P.O. BOX 1441
MINNEAPOLIS, MN
55440–1441
COPYRIGHT
1980, GRACO INC.
This manual contains important
warnings and information.
READ AND RETAIN FOR REFERENCE
INSTRUCTIONS
Symbols
Warning Symbol
WARNING
his
symbol alerts you to the possibility of serious
injury or death if you do not follow the instructions.
Caution Symbol
CAUTION
This
symbol alerts you to the possibility of damage to
or destruction of equipment if you do not follow the
instructions.
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
.
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 Graco T
echnical Assis
-
tance at 1–800–543–0339.
D
Do not alter or modify this equipment.
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 12.4 bar (180 psi) maximum working pressure at 12.4 bar (180 psi)
maximum incoming air pressure.
D
Use fluids and solvents which are compatible with the equipment wetted parts. Refer to the
Tech-
nical Data
section of all equipment manuals. Read the fluid and solvent manufacturer
’
s warn
-
ings.
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
Securely mount the pump. Do not attempt to operate it while holding it.
D
Do not lift pressurized equipment.
D
Comply with all applicable local, state, and national fire, electrical, and safety regulations.
WARNING
WARNING
INSTRUCTIONS
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.
Any additives to the air supply
, such as oil or anti–freeze will be exhausted into the atmosphere.
Always wear protective eyewear
, gloves, clothing and respirator as recommended by the fluid
and solvent manufacturer
.
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 the equipment. Refer to
Grounding the System
on page 5.
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 sprayed.
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 of
f any light switch in the work area while operating or if fumes are present.
Do not operate a gasoline engine in the work area.
MOVING
P
ARTS HAZARD
Moving
parts can pinch or amputate your fingers.
Keep clear of all moving parts when starting or operating the pump.
Before servicing the equipment, follow the
Pressure Relief Procedure
on page 8 to prevent the
equipment from starting accidentally
.
WARNING
WARNING
*
Pump
Models
UL LISTED PUMPS
The
following pumps are UL listed for light viscosity
paints, lacquers, varnishes, thinners, solvents when
installed in accordance with NFP
A (National Fire Pro
-
tection Association) Standards No. 30, Flammable and
Combustible Liquids Code, and No. 33 Spray Finishing
Using Flammable Materials. The carbon steel pumps
are for non-corrosive fluids, and the stainless steel
pumps are for corrosives.
Stubby Pumps
Model
No. Description
Displacement
Pump No.
Parts
Pages
226–943
Series B
Carbon Steel,
Leather Packings
215–956
Series C
14, 18
226–944
Series B
*
Carbon Steel,
Polyethylene
Packings
215–957
Series C
14, 19
226–945
Series B
*
Stainless Steel,
Polyethylene
Packings
215–958
Series B
15, 28
Bung-Mounted Drum Length Pumps
Model
No. Description
Displacement
Pump No.
Parts
Pages
226–940
Series B
Carbon Steel,
Leather Packings
215–953
Series D
12, 18
226–941
Series B
*
Carbon Steel,
Polyethylene
Packings
215–954
Series D
12, 19
226–942
Series B
*
Stainless Steel,
Polyethylene
Packings
215–955
Series B
13, 27
226–954
Series A
Stainless Steel,
Leather Packings
236–991
Series A
13, 29
NON-LISTED PUMPS
These
pumps are for non-corrosive light viscosity fluids
such as anti-freeze, windshield washer solvent, A
TF,
motor oil, and hydraulic oil.
Stubby Pumps
Model
No. Description
Displacement
Pump No.
Parts
Pages
226–948
Series B
Carbon Steel,
Rubber Packings
218–114
Series A
14, 24
226–952
Series B
Stainless Steel,
Rubber Packings
220–439
Series A
15, 34
Bung-Mounted Drum Length Pumps
Model
No. Description
Displacement
Pump No.
Parts
Pages
226–947
Series B
Carbon Steel,
Rubber Packings
218–113
Series A
12, 24
226–951
Series B
Carbon Steel,
Rubber Packings
218–116
Series A
16, 25
226–953
Series B
Stainless Steel,
Rubber Packings
220–440
Series A
13, 33
Model 226–951 has a suction tube that can be extended
457 mm (18 in.). Non-extended pump length is 724 mm (28.5
in.). Fully extended pump length is 1
180 mm (46.4 in.).
NON-LISTED PUMPS
These
pumps are for general fluid transfer applica
-
tions.
Stubby Pumps
Model
No. Description
Displacement
Pump No.
Parts
Pages
237–130
Series A
Carbon Steel,
Leather Packings
237–254
Series A
14, 20
237–131
Series A
Carbon Steel,
Packings
237–255
Series A
14, 22
237–132
Series A
Stainless Steel,
Packings
237–256
Series A
15, 31
Bung-Mounted Drum Length Pumps
Model
No. Description
Displacement
Pump No.
Parts
Pages
237–133
Series A
Carbon Steel,
Leather Packings
215–953
Series D
12, 18
237–134
Series A
Carbon Steel,
Packings
237–449
Series A
12, 21
237–129
Series A
Stainless Steel,
Packings
237–253
Series A
13, 30
PTFE
PTFE
PTFE
PTFE
Installation
General Information
1. The T
ypical Installation shown in Fig. 2 is only a
guide for selecting and installing system compo
-
nents. Contact your Graco distributor or Graco
T
echnical Assistance (1–800–543–0339) for assis
-
tance in planning a system to suit your needs.
2.
Always use Genuine Graco Parts and Accesso
-
ries.
3.
Reference numbers and letters in parentheses re
-
fer to the callouts in the figures and the parts lists
on pages 12–34.
Grounding the System
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 3.
WARNING
T
o 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.
Ground all of this equipment.
1.
Pump
: connect a ground wire and clamp as shown
in Fig. 1. Loosen the grounding lug locknut (W)
and washer (X). Insert one end of a 12 ga (1.5
mm
) minimum ground wire (Y) into the slot in the
lug (Z) and tighten the locknut securely
. Connect
the clamp end of the ground wire to a true earth
ground. Order Part No. 222–01
1 Ground Wire and
Clamp.
03653
Fig. 1
Y
WXZ
2.
Air and fluid hoses
: use only electrically conductive
hoses.
3.
Air compressor
: according to manufacturer
’
s rec
-
ommendations.
4.
Dispensing valve:
grounding is obtained through
connection to a properly grounded fluid hose and
pump.
5.
Fluid supply container:
according to local code.
6.
Object being sprayed:
according to local code.
7.
All solvent pails used when flushing
, according to
local code. Use only metal pails, which are con
-
ductive. Do not place the pail on a non-conductive
surface, such as paper or cardboard, which inter
-
rupts the grounding continuity
.
Installation
03762
Fig. 2
KEY
A Vent
Plug
B
Bung Adapter
C
Air Line Lubricator
D
Bleed-type Master Air V
alve
E
Air Line Filter
F
Grounded Air Hose
G
Fluid Drain V
alve
H
Fluid Outlet
J
Pin Fitting
K
Air Control V
alve
(All Models except 226–951)
L
Air Line Coupler
M
Grounded Fluid Hose
CC
Air Regulator Kit
(Model 226–951 only)
E
A
DF
K
JL
H
G
MC
B
13 mm (0.5”)
Model
226–951 only
C
DCC
EJ L
Mounting the Pump
Always
rigidly mount the pump to suit the type of in
-
stallation planned. Graco mounting accessories are
shown in the
Accessories
section. With 200 liter (55
gallon) drum length pumps, screw the bung adapter
(B) tightly into the bung hole of the drum and adjust to
hold the pump 13 mm (0.5 in.) of
f the bottom of the
drum. Loosen the vent plug (A) to prevent formation of
a vacuum in the drum. Stubby pumps may be mounted
on a wall or on the side of a drum with a clamp. Drum
pumps can also be mounted to the side of a drum.
NOTE:
Refer to
Dimensions
on page 38 for pump
dimensions, and air inlet and fluid outlet sizes.
If low level cut-off valve 210–865 is being used, install
a drum length pump (except Model 226–951) in the
container with the valve 210–865 resting on the con
-
tainer bottom. This accessory valve will not fit pumps
with a telescoping suction tube, such as Model
226–951.
CAUTION
If low level cut-of
f valve 210–865 is used, install it
with a strap wrench to avoid damaging the valve.
Do not use the legs of the valve to tighten it into
the pump.
Installation
System Accessories
Refer
to Fig. 2 and the Accessories section.
NOTE: T
o ensure maximum pump performance, be
sure that all accessories used are properly sized to
meet your system’
s requirements.
Most models are supplied with a needle-type air con
-
trol valve (K) at the pump air inlet. Model 226–951 is
equipped with an air regulator kit (CC) instead (see
Fig. 3). All models are supplied with an air line quick
disconnect coupler (L) to connect the air line to the
pump and accessories.
A bleed-type master air valve (D) and a fluid drain
valve
(G) are required in your system, to help re
-
duce the risk of serious injury
, including splashing
fluid in the eyes or on the skin, and injury from
moving parts if you are adjusting or repairing the
pump.
The
bleed-type master air valve
(D) relieves air
trapped between this valve and the pump after the
pump is shut of
f. T
rapped air can cause the pump
to cycle unexpectedly and result in serious injury
,
including amputation. Locate the valve close to the
pump.
The
fluid drain valve
(G) helps relieve pressure in
the displacement pump, hose, and dispensing
valve when shutting of
f the pump. Actuating the
dispensing valve to relieve pressure may not be
suf
ficient, especially if there is a clog in the hose or
the dispensing valve.
WARNING
For automatic air motor lubrication, install an air line
lubricator (C) downstream from the air regulator (if
supplied) and all other accessories. Install a bleed-type
master air valve (D) close to the pump. Next, install the
air regulator (CC), if supplied. Install an air line filter (E)
upstream from all other accessories, to remove harm
-
ful dirt and moisture from the compressed air supply
.
Using a suitable adapter
, install the male disconnect
pin fitting (J) in the air filter inlet. Install the air line
quick disconnect coupler (L) on the air hose (F), but do
not connect it to the pin fitting yet.
Connect an electrically conductive fluid hose (M) to the
3/4 npt(f) fluid outlet.
Model 226–951 Only
Using
moderate force, extend the pump suction tube,
insert the pump into the drum or tank bung hole, and
screw the bung adapter (B) tightly into the bung hole.
Lift the pump about 13 mm (0.5 in.) and tighten the
bung adapter (B) screw to hold the pump. Loosen the
vent plug (A). Refer to Fig. 2.
CAUTION
T
o prevent damaging the o-ring seals inside the
suction tube, do not use excessive force when ex
-
tending the suction tube.
All Other Models
Refer
to Fig. 2 and to the mounting accessories shown
on page 36 for pump mounting methods.
03763
Fig. 3
CC
JL
B
Model
226–951
Shown
Operation
Pressure Relief Procedure
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:
Are instructed to relieve pressure,
Have an air supply interruption,
Stop pumping,
Check, clean or service any system equipment,
Install or clean fluid nozzles.
WARNING
1.
Shut of
f the air to the pump.
2.
Close the bleed-type master air valve (required in
your system).
3.
Hold a metal part of the dispensing valve firmly to
the side of a grounded metal pail, and trigger the
valve to relieve pressure.
4.
Open the fluid drain valve (required in your sys
-
tem) to relieve all fluid pressure, having a contain
-
er ready to catch the drainage.
5.
Leave the drain valve open until you are ready to
dispense again.
If you suspect that the nozzle or hose is completely
clogged, or that pressure has not been fully relieved
after following the steps above,
very slowly
loosen the
hose end coupling and relieve pressure gradually
, then
loosen completely
. Now clear the nozzle or hose.
Flush the Pump Before Using
The
pump was tested in lightweight oil, which was left
in to protect pump parts. T
o prevent contamination of
the fluid you are pumping, flush the pump with a com
-
patible solvent before using it.
T
o flush the pump, connect a short hose to the pump
outlet, insert the pump intake into a pail of compatible
solvent, direct the hose into a pail, and start the pump
as explained at right.
Cycle the pump slowly for at least 5 minutes, then stop
and disconnect the air hose. Push up on the ball of the
intake valve (N) to drain the lower part of the pump.
See Fig. 4. T
urn the pump over to drain the upper part
of the pump.
03765
Fig. 4
N
Starting and Adjusting the Pump
With
the air valve (K) or regulator (CC) closed, turn on
the air supply and connect the air line coupler (L). See
Figs. 3 or 5. Make sure all dispensing valves are open.
Slowly open the air valve (K) or regulator (CC) until the
pump cycles 5 to 20 cycles per minute. The pump it
-
self only takes a few strokes to prime. In a large sys
-
tem, however
, the pump may have to be cycled for
several minutes to fill all the lines. Once the entire sys
-
tem is primed, use the air valve or regulator to control
pump speed and cycle rate; always use the lowest
pressure necessary to get the desired results.
When used for transfer and supply operations with no
dispensing valve, the pump will run whenever air is
supplied.
Pump Shutdown
WARNING
To
reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure
at left.
1.
Disconnect the air line coupler (L).
2.
Relieve the pressure.
Maintenance
Fill the wet-cup (P) 1/2 full of Graco Throat Seal Liquid
(TSL) or compatible solvent and keep it 1/2 full to keep
fluid from drying on the displacement rod and damag
-
ing pump throat packings. See Fig. 5.
Lubricate the throat packings frequently when you are
pumping a non-lubricating fluid, or are shutting down
for more than a few days. Some pumps have a grease
fitting (DD) for this purpose. See Fig. 5.
The accessory air line lubricator (C) provides automat
-
ic air motor lubrication. T
o manually lubricate the mo
-
tor
, disconnect the air line at the air motor inlet, put
about 15 drops of lightweight oil in the inlet, reconnect
the air line and turn on the air to blow oil into the motor
.
Never allow the pump to run dry of fluid being pumped.
A dry pump will quickly accelerate to a high speed,
possibly damaging itself. If your pump accelerates
quickly
, or is running too fast, stop it immediately and
check the fluid supply
. If the supply container is empty
and air has been pumped into the lines, prime the
pump and lines with fluid, or flush and leave filled with
compatible solvent. Be sure to eliminate all air from the
fluid system.
WARNING
T
o reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure
on page 8.
Do not attempt to adjust the packing nut with the
pump operating.
WARNING
Periodically
, check the tightness of the packing nut (P).
Relieve the pressure, then tighten enough to prevent
leakage; no tighter
. See Fig. 5. If the leakage can not
be stopped, change the packings to prevent exposure
to the fluid being pumped.
03764
Fig. 5
P
H
DD
K
J
L
10 307-427
Troubleshooting
WARNING
T
o reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure
on page 8.
1.
Relieve the pressure.
2.
Check all other possible remedies before disas
-
sembling the pump.
PROBLEM CAUSE SOLUTION
The pump fails to operate.
Dirty or worn air motor
. Clean,
service; see the separate
motor
manual
307–456.
Inadequate air supply or restricted
lines.
Clean lines or increase the air supply
(see T
echnical Data).
Closed or clogged air valves.
Open or clear the valves.
Clogged fluid hose or valve.
Clear the hose or valves.
W
orn or damaged valves or seals.
Service the valves or seals.
The pump operates, but the output
is
low on both strokes.
Clogged fluid hose or valve.
Clear the hose or valves.
Exhausted fluid supply
.Refill the fluid supply and reprime the
pump.
Worn
or damaged valves or seals.
Service the valves or seals.
The pump operates, but the output
is
low on the downstroke.
Held open or worn intake valve.
Clear or service the valve.
W
orn or damaged valves or seals.
Service the valves or seals.
The pump operates, but the output
is
low on the upstroke.
Held open or worn piston valve.
Clear or service the valve.
W
orn or damaged valves or seals.
Service the valves or seals.
Erratic or accelerated operation.
Exhausted fluid supply
.Refill the fluid supply and reprime the
pump.
Broken
air motor compression
spring.
Replace
the spring.
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