Graco SaniForce 24E836 Parts list manual

Instructions and Parts
SaniForce™ 6:1 Sanitary Pumps 3A0733P
EN
For use in sanitary applications to transfer medium to high viscosity fluids. For professional use only.
Important Safety Instructions
Read all warnings and instructions in this manual. Save these
instructions.
Model 24E836 Model 24G740
ti15637a
ti15721a
PROVEN QUALITY. LEADING TECHNOLOGY.

Contents
Models............................................................... 3
Warnings ........................................................... 4
......................................................................... 4
Installation.......................................................... 6
Grounding ................................................... 6
Mounting ..................................................... 6
Setup .......................................................... 6
Operation........................................................... 8
Pressure Relief Procedure............................ 8
lush Before irst Use.................................. 8
Adjusting the Pump Speed and
Pressure ........................................ 8
Pump Shut Down......................................... 8
Maintenance ...................................................... 9
lushing Procedure...................................... 9
Cleaning...................................................... 9
Tighten Threaded Connections..................... 9
Troubleshooting.................................................. 10
Priming Piston Service........................................ 11
Disconnect the Pump ................................... 11
Disassemble the Pump.................................11
Reassemble After Cleaning .......................... 12
Double Ball Service ............................................ 13
Disconnect the Pump ................................... 13
Disassemble the Pump.................................14
Reassemble After Cleaning .......................... 14
Parts.................................................................. 15
Kits.................................................................... 16
Priming Piston Displacement Pump Models
24G747 and 24G746............................. 17
Double ball Displacement Pump Models
24G748, 24G749, 24G753, 24G750,
and 26A158 .......................................... 19
Double-Ball Displacement Pump Models
24G752 and 24G751............................. 21
Product Dimensions............................................ 23
Performance chart.............................................. 24
Technical Data ................................................... 25
Graco Standard Warranty.................................... 26
23A0733P

Models
Models
Maximum Air Inlet Pressure: 100 psi (0.7 MPa, 6.9 bar)
Maximum Fluid Wor ing Pressure: 650 psi (4.5 MPa, 44.8 bar)
Pump
Model Pump Lower Replacement Pump Type Pump Length Description Packings
24E836 24G746 Priming
Piston Stubby Buna-N, Nitrile, Nylon, and Polychloroprene
24E837 24G751 Double Ball Stubby PT E
24E838 24G752 Double Ball Stubby Buna-N, Polychloroprene, and
UHMWPE
24E839 24G753 Double Ball Drum Length PT E
24E840 24G749 Double Ball Drum Length Buna-N, Nitrile, Nylon, and
Polychloroprene
24 942 24G750 Double Ball Bin Length Buna-N, Nitrile, Nylon, and
Polychloroprene
24G739 24G747 Priming
Piston Stubby, with lange Buna-N, Nitrile, Nylon, and
Polychloroprene
24G740 24G748 Double Ball Drum Length, with lange Buna-N, Nitrile, Nylon, and
Polychloroprene
25A936 26A158 Double Ball Bin Length PT E
All models are compliant with:
EC 1935/2004 compliant pumps may be subject to individual national provisions in addition to those specified
in the EC regulation. It is the users responsibility to know and follow local laws.
3A0733P 3

Warnings
Warnings
The following warnings are for the setup, use, grounding, maintenance and repair of this equipment. The
exclamation point symbol alerts you to a general warning and the hazard symbol refers to procedure-specific
risks. When these symbols appear in the body of this manual refer back to these Warnings. Product-specific
hazard symbols and warnings not covered in this section may appear throughout the body of this manual
where applicable.
WARNING
SKI I JECTIO HAZARD
High-pressure fluid from dispensing device, hose leaks, or ruptured components will pierce
skin. This many look like just a cut, but it is a serious injury that can result in amputation.
Get immediate surgical treatment.
• Do not point dispensing device at anyone or at any part of the body.
• Do not put your hand over the fluid outlet.
• Do not stop or deflect leaks with you hand, body, glove, or rag.
• ollowthe Pressure Relief Procedure when you stop dispensing and before cleaning,
checking, or servicing equipment.
• Tighten all fluid connections before operating the equipment.
• Check hoses and couplings daily. Replace work or damaged parts immediately.
MOVI G PARTS HAZARD
Moving parts can pinch, cut or amputate fingers and other body parts.
• Keep clear of moving parts.
• Do not operate equipment with protective guards or covers removed.
• Pressurized equipment can start without warning. Before checking, moving, or servicing
equipment, follow the Pressure Relief Procedure and disconnect all power sources.
FIRE A D EXPLOSIO HAZARD
lammable fumes, such as solvent and paint fumes, in work area can ignite or explode. To help
prevent fire and explosion:
• Use equipment only in well ventilated area.
• Eliminate all ignition sources; such as pilot lights, cigarettes, portable electric lamps, and
plastic drop cloths (potential static arc).
• Keep work area free of debris, including solvent, rags and gasoline.
• Do not plug or unplug power cords, or turn light switches on or off when flammable fumes
are present.
• Ground all equipment in the work area. See Grounding instructions.
• Use Only grounded hoses.
• Hold gun firmly to side of grounded pail when triggering into pail.
• If there is static sparking or you feel a shock, stop operation immediately. Do not use
equipment until you identify and correct the problem.
• Keep a working fire extinguisher in the work area.
43A0733P

WARNING
EQUIPME T MISUSE HAZARD
Misuse can cause death or serious injury.
• Do not operate the unit when fatigued or under the influence of drugs or alcohol.
• Do not exceed the maximum working pressure or temperature rating of the lowest rated
system component. See Technical Data in all equipment manuals.
• Use fluids and solvents that are compatible with equipment wetted parts. See Technical Data
in all equipment manuals. Read fluid and solvent manufacturer’s warnings. or complete
information about your material, request MSDS from distributor or retailer.
• Do not leave the work area while equipment is energized or under pressure. Turn off all
equipment and follow the Pressure Relief Procedure when equipment is not in use.
• Check equipment daily. Repair or replace worn or damaged parts immediately with genuine
manufacturer’s replacement parts only.
• Do not alter or modify equipment.
• Use equipment only for its intended purpose. Call your distributor for information.
• Route hoses and cables away from traffic areas, sharp edges, moving parts, and hot surfaces.
• Do not kink or over bend hoses or use hoses to pull equipment.
• Keep children and animals away from work area.
• Comply with all applicable safety regulations.
SPLATTER HAZARD
Hot or toxic fluid can cause serious injury if splashed in the eyes or on skin. During blow off of
platen, splatter may occur.
• Use minimum air pressure when removing platen from drum.
TOXIC FLUID OR FUMES
Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin,
inhaled, or swallowed.
• Read MSDSs to know the specific hazards of the fluids you are using.
• Store hazardous fluid in approved containers, and dispose of it according to applicable
guidelines.
PERSO AL PROTECTIVE EQUIPME T
You must wear appropriate protective equipment when operating, servicing, or when in the
operating area of the equipment to help protect you from serious injury, including eye injury,
hearing loss, inhalation of toxic fumes, and burns. This equipment includes but is not limited to:
• Protective eyewear, and hearing protection.
• Respirators, protective clothing, and gloves as recommended by the fluid and solvent
manufacturer.
3A0733P 5

Installation
Installation
Grounding
The equipment must be grounded. Grounding
reduces the risk of static and electric shock by
providinganescapewirefortheelectricalcurrent
duetostaticbuilduporintheeventofashort
circuit.
Pump: Connect a ground wire (Graco PN 238909)
to the ground screw on the bottom cover of the air
motor, under the shield. Connect the other end of the
ground wire to a true earth ground.
Air and fluid hoses:
use only electrically conductive
hoses with a maximum of 500 ft. (150 m) combined
hose length to ensure grounding continuity. Check
electrical resistance of hoses. If total resistance
to ground exceeds 25 megohms, replace hose
immediately.
Air compressors: follow manufacturer’s
recommendations.
Dispense valve: ground through connection to a
properly grounded fluid hose and pump.
Material supply container:
follow local code.
Container(s) that receive material: follow local code.
Solvent pails used when flushing: follow local
code. Use only conductive metal pails, placed on
a grounded surface. Do not place the pail on a
nonconductive surface, such as paper or cardboard,
which interrupts grounding continuity.
To maintain grounding continuity when flushing or
relieving pressure:
hold metal part of the dispense
valve firmly to the side of a grounded metal pail, then
trigger the valve.
Mounting
Mount the pump on a surface than can support the
weight of the pump and accessories, as well as the
stress caused during operation. Do not use air or
fluid lines to support the pump.
To avoid serious injury, check the torque on the lift
ring (19) and nut (18) before using the lift ring to lift
the pump. Torque to 30–36 ft-lb (41–49 N•m).
Setup
To avoid contaminating the fluid, pipe the exhaust
air to vent outside of the fluid product area, away
from people, animals, or food handling areas.
Note
Reference numbers and letters in
parentheses in the text refer to the callouts in
the figures and the parts drawings.
Accessories are available from Graco. Make certain
all accessories are sized and pressure rated to meet
your system requirements.
ig 1 is only a guide for selecting and installing
system components and accessories. Contact your
Graco distributor for assistance in designing a system
to suit your particular needs.
Install a bleed-type master air valve (G) close to the
pump air inlet (D), to relieve air trapped between it
and the air motor.
Install an air filter/regulator ( ) in the pump air
line, upstream from the bleed valve, to control
air inlet pressure and to remove harmful dirt and
contaminants from your compressed air supply.
Install a pump runaway valve (S) in the pump air line
to shut off air to the air motor automatically if the
pump starts to run too fast.
Install another bleed-type master air valve (G)
upstream from all air line accessories and use it to
isolate the accessories during cleaning and repair.
On the air drop to the dispense valve (K), install an
air regulator (M) to control air pressure to the valve.
Install a bleed valve (G) to use as a shutoff when
servicing the dispense valve.
63A0733P

Installation
Connect air solenoid valves (H) to a timer control
(L), and set so the dispense valve (K) will dispense
at proper intervals.
J
F
R
GGD
H
AC
E
N
B
J
GMHL
K
P
TI15638B
Main Air Line
S
igure 1 Typical Installation
Key
Pump Components (Included) System Components/Accessories (sold separately)
ABung-Mounted Sanitary Pump Air Line ilter/Regulator
BAir Exhaust Muffler (may alternately be mounted
remotely, using exhaust hose) G Bleed-Type Master Air Valve (required)
C 3/4 npt Exhaust Air Outlet HAir Solenoid Valve
D 1/2 npt Air Inlet J Air Line Drain Pipe and Valve
E1-1/2 in. Tube Size langed luid Outlet K Dispensing Valve
LTimer Control
M Air Regulator
N Dispensing Valve Air Exhaust Hose
PSensing Device
RPump Ground Wire (required)
SPump Runaway Valve
3A0733P 7

Operation
Operation
NOTICE
Do not expose the air motor to temperatures
higher than 120° (49°C) or the immersed fluid
pump to temperatures higher than 250° (121°C).
Excessive temperatures may damage the pump
packings and seals
Pressure Relief Procedure
Trapped air can cause the pump to cycle
unexpectedly, which could result in serious injury
from injection, splashing or moving parts. Relieve
pressure when you stop pumping and before
cleaning, checking, or servicing equipment.
1. Shut off the air supply to the pump.
2. Close the bleed-type master air valve (required
in system).
3. Open the fluid ball valve and/or dispensing valve
to relieve fluid pressure.
Flush Before First Use
The sanitary pump was assembled using sanitary
lubricant on moving parts and was tested in
water. lush the pump thoroughly with an
appropriate cleaning solution or disassemble and
sanitize the parts before using the pump. See
lushing Procedure, page 9 . Check national, state,
and local codes for specific limitations.
Adjusting the Pump Speed and
Pressure
Set pressure regulator to 0 psi. Open the bleed-type
master air valve. Adjust the pump air regulator until
the pump is running smoothly.
Allow the pump to cycle slowly until all air is pushed
out of the lines (the fluid will flow in a steady stream
from the fluid outlet) and the pump is primed.
With the air supply turned on, the pump will start
when the dispensing valve is opened and stall
against pressure when the valve is closed. In a
circulatingsystem,thepumpoperatesuntiltheair
supply is turned off.
NOTICE
Neverallowthepumptorundryoffluid. Adry
pump will accelerate to a high speed, possibly
damaging itself.
If the pump accelerates quickly, or is running too
fast, stop the pump immediately and check the fluid
supply. If the supply is empty and air has been
pumped into the lines, refill the container and prime
thepumpandlineswithfluid.Besuretoeliminateall
air from the system.
Pump Shut Down
ollow the Pressure Relief Procedure, page 8 .
Always stop the pump at the bottom of its stroke to
prevent fluid from drying on the displacement rod.
(The air motor will exhaust at the bottom or top of
the stroke.)
83A0733P

Maintenance
Maintenance
Flushing Procedure
ote:
• lush before fluid can dry in the equipment, at the
end of the day, before storing, and before repairing
equipment.
• lush at the lowest pressure possible. Check
connectors for leaks and tighten as necessary.
• lush with an appropriate cleaning solution.
1. Remove the pump from the fluid container.
Operate it to pump out as much fluid as possible.
2. ollow the Pressure Relief Procedure, page 8 .
3. Place siphon tube in grounded metal pail
containing an appropriate cleaning solution.
4. Set pump air regulator to lowest possible fluid
pressure, and start pump.
5. Run the pump long enough to thoroughly clean
the pump and hoses.
6. ollow the Pressure Relief Procedure, page 8 .
Cleaning
• Be sure to follow your national and state sanitary
standard codes and local regulations.
• Use appropriate cleaning and disinfecting agents,
at intervals appropriate for product processed.
• ollow cleaning product manufacturer’s
instructions.
ote: The pump must be disassembled to thoroughly
clean it.
1. Remove the pump from the fluid container.
Operate it to pump out as much fluid as possible.
2. lush the system thoroughly with an
appropriate cleaning solution. See
lushing Procedure, page 9 .
3. ollow the Pressure Relief Procedure, page 8 .
4. Remove the air and fluid hoses and fittings from
the pump.
5. Ram-Mounted Pumps: Loosen the hand screw
and lift the upper shield straight up on the rod.
Other Pumps: Remove the upper shield.
6. Clean thoroughly the surface between the upper
and lower shields.
7. Disassemble the fluid pump and accessories.
See Priming Piston Service, page 11 or
Double Ball Service, page 13.
8. Wash all pump parts with an appropriate cleaning
solution at the cleaning product manufacturer’s
recommended temperature and concentration.
9. Rinse all pump parts again with water and allow
them to dry.
10. Inspect all pump parts and reclean if needed.
Note
Any damaged rubber parts must
be replaced as they could harbor
microorganisms that can contaminate
the fluid.
11. Immerse all pump parts in an appropriate
sanitizer before assembly. Take the pump parts
out of the sanitizer one-by-one as needed.
12. Lubricate the moving pump parts and o-rings,
packings, and seals with appropriate waterproof
sanitary lubricant.
13. Circulate the sanitizing solution through the pump
and the system prior to use.
14. Ram-Mounted Pumps: Clean all ram surfaces.
Remove and clean the inflatable seal and ram
plate. See Manual 3A0591.
ighten hreaded Connections
Before each use, check all hoses for wear or damage.
Replace as necessary. Check that all connections
are tight and leak-free.
3A0733P 9

Troubleshooting
Troubles ooting
1. ollow the Pressure Relief Procedure, page 8 . 2. Check all possible remedies in the
Troubleshooting Chart before disassembling the
pump.
Problem Cause Solution
Restricted air line or inadequate air
supply. Clear air line or increase air supply.
Insufficient air pressure; closed or
clogged air valves, etc. Open or clean air valves, etc.
Exhausted fluid supply. Refill fluid supply.
Pump fails to operate.
Damagedairmotor. Service.
Restricted air line or inadequate air
supply. Clear air line or increase air supply.
Insufficient air pressure; closed or
clogged air valves, etc. Open or clean air valves, etc.
Exhausted fluid supply. Refill fluid supply.
Obstructed fluid line, valves,
dispensing valve, etc. Clear. Relieve pressure and disconnect fluid line. Turn on air. If
pump starts, the fluid line is clogged.
Worn throat packing (105). Replace throat packing.
Pump operates, but output low on
both strokes.
Damaged cylinder o-ring (104). Replace o-ring.
Held open or worn fluid inlet valve. Clear or service fluid inlet valve.
Pump operates, but output low on
down stroke. Damaged cylinder o-ring (104). Replace o-ring.
Pump operates, but output low on
up stroke. Held open or worn fluid piston or seal (120). Clear or service fluid piston or seal.
Exhausted fluid supply. Refill fluid supply.
Held open or worn fluid inlet valve. Clear or service fluid inlet valve.
Erratic or accelerated operation.
Held open or worn fluid piston or
seal (120). Clear or service fluid piston or seal.
10 3A0733P