Check the identification plate (ID) for the 20-digit part number of your
pump. Use the following matrix to define the components of your pump.
For example, pump number 1050A-A01AA1SSBNBNPT represents a
Husky 1 inch, 50 gpm aluminum pump (1050A), with aluminum center
section (A01), a standard air valve (A), aluminum fluid covers (A) and
manifolds with standard ports in inches (1). The pump has stainless steel
seats (SS), buna-N check balls (BN), buna-N diaphragms (BN), and
PTFE manifold o-rings (PT).
NOTE: Available options for seats, check balls, diaphragms, and seals
vary based on pump model (1050A-1050S). To build a pump, use the
selector tool at www.graco.com or talk to your distributor.
CONFIGURATION NO.PART NO.SERIAL NO.
SERIESDATE CODE
MAX WPR PSI-bar
Pump ID
Pump Matrix
MADE IN
ti14103a
Pump
(1 inch ports, 50 gpm)
1050A★
Aluminum
1050C★
Conductive
Polypropylene
1050F
PVDF
1050H‡
Hastelloy
1050P
Polypropylene
1050S‡
Stainless Steel
Center Section and
Air Valve MaterialAir Valve/MonitoringFluid Covers and Manifolds
‡ 1050S (Stainless Steel) and 1050H
(Hastelloy) pumps with aluminum or
conductive polypropylene centers are
certified:
II 2 GD c IIC T4
II 2 GD c IIC T4
312877G3
✖ DataTrak and Pulse Count
are certified:
EEx ia IIA T3
Nemko
II 1 G
06ATEX1124
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 risk. When these symbols appear in the body of this manual, refer back to
these warnings. Additional, product-specific warnings may be found throughout the body of this
manual where applicable.
WARNING
FIRE AND EXPLOSION HAZARD
Flammable 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 power or 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.
Static charge may build up on plastic parts during cleaning and could discharge and
ignite flammable materials and gases. To help prevent fire and explosion:
•Clean plastic parts in a well ventilated area.
•Do not clean with a dry cloth.
•Do not operate electrostatic guns in equipment work area.
4312877G
Warnings
WARNING
EQUIPMENT 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 Tech-
nical Data in all equipment manuals. Read fluid and solvent manufacturer’s warnings. For 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 in this manual 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.
PRESSURIZED EQUIPMENT HAZARD
Fluid from the gun/dispense valve, leaks, or ruptured components can splash in the
eyes or on skin and cause serious injury.
•Follow Pressure Relief Procedure in this manual, when you stop spraying and
before cleaning, checking, or servicing equipment.
•Tighten all fluid connections before operating the equipment.
•Check hoses, tubes, and couplings daily. Replace worn or damaged parts immedi-
ately.
THERMAL EXPANSION HAZARD
Fluids subjected to heat in confined spaces, including hoses, can create a rapid rise
in pressure due to the thermal expansion. Over-pressurization can result in
equipment rupture and serious injury.
• Open a valve to relieve the fluid expansion during heating.
• Replace hoses proactively at regular intervals based on your operating conditions.
312877G5
Installation
WARNING
PRESSURIZED ALUMINUM PARTS HAZARD
Use of fluids that are incompatible with aluminum in pressurized equipment can cause
serious chemical reaction and equipment rupture. Failure to follow this warning can
result in death, serious injury, or property damage.
•Do not use 1,1,1-trichloroethane, methylene chloride, other halogenated
hydrocarbon solvents or fluids containing such solvents.
•Many other fluids may contain chemicals that can react with aluminum. Contact
your material supplier for compatibility.
PLASTIC PARTS CLEANING SOLVENT HAZARD
Use only compatible water-based solvents to clean plastic structural or pressure-containing parts. Many solvents can degrade plastic parts and cause them to fail, which
could cause serious injury or property damage. See Technical Data in this and all
other equipment instruction manuals. Read fluid and solvent manufacturer’s warnings.
TOXIC FLUID OR FUMES HAZARD
Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on
skin, inhaled, or swallowed.
•Read MSDS’s to know the specific hazards of the fluids you are using.
•Route exhaust away from work area. If diaphragm ruptures, fluid may be exhausted
with air.
•Store hazardous fluid in approved containers, and dispose of it according to appli-
cable guidelines.
BURN HAZARD
Equipment surfaces and fluid that’s heated can become very hot during operation. To
avoid severe burns:
•Do not touch hot fluid or equipment.
PERSONAL PROTECTIVE EQUIPMENT
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, inhalation of toxic fumes, burns, and hearing loss. This equipment includes
but is not limited to:
•Clothing and respirator as recommended by the fluid and solvent manufacturer
•Protective eyewear, gloves, and hearing protection
Installation
The Typical Installations shown in FIG. 3 and
F
IG. 4 are only guides for selecting and install-
ing system components. Contact your Graco
distributor for assistance in planning a system
to suit your needs.
Tighten Fasteners Before Setup
Before using the pump for the first time, check
and retorque all external fasteners. Follow
Torque Instructions, page 16.
6312877G
Installation
Mounting
•The pump exhaust air may contain contam-
inants. Ventilate to a remote area. See Air Exhaust Ventilation on page 8.
•Never move or lift a pump under pressure.
If dropped, the fluid section may rupture.
Always follow the Pressure Relief Proce-dure on page 14 before moving or lifting
the pump.
1. For wall mounting, order Graco Kit 24C637.
2. Be sure the mounting surface can support
the weight of the pump, hoses, and accessories, as well as the stress caused during
operation.
3. For all mountings, be sure the pump is
bolted directly to the mounting surface.
wire to a true earth ground. A ground wire and
clamp, Part 238909, is available from Graco.
Polypropylene and PVDF: Only aluminum,
conductive polypropylene, hastelloy, and
stainless steel pumps have a ground screw.
Standard polypropylene and PVDF pumps
are not conductive. Never use a non-conductive polypropylene or PVDF pump with
non-conductive flammable fluids. Follow your
local fire codes. When pumping conductive
flammable fluids, always ground the entire
fluid system as described.
4. For ease of operation and service, mount
the pump so air valve, air inlet, fluid inlet
and fluid outlet ports are easily accessible.
5. Rubber Foot Mounting Kit 236452 is available to reduce noise and vibration during
operation.
Grounding
The equipment must be grounded.
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.
Pump: See FIG. 1. Loosen the grounding
screw (GS). Insert one end of a 12 ga.
minimum ground wire (R) behind the
grounding screw and tighten the screw
securely. Connect the clamp end of the ground
GS
R
ti12214a
FIG. 1. Grounding screw and wire
Air and fluid hoses: Use only grounded
hoses with a maximum of 500 ft (150 m) combined hose length to ensure grounding continuity.
Air compressor: Follow manufacturer’s
recommendations.
Fluid supply container: 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.
312877G7
Installation
Check your system electrical continuity after
the initial installation, and then set up a regular
schedule for checking continuity to be sure
proper grounding is maintained.
Air Line
See FIG. 3 and FIG. 4, pages 10 and 11.
1. Install an air regulator (C) and gauge to
control the fluid pressure. The fluid stall
pressure will be the same as the setting of
the air regulator.
2. Locate a bleed-type master air valve (B)
close to the pump and use it to relieve
trapped air. Be sure the valve is easily
accessible from the pump and located
downstream from the regulator.
Remote option: Insert 5/32 OD tubing into the
push-to-connect fitting at each pilot and route
to your control.
NOTICE
Pilot supply pressure should not exceed
main air supply pressure. If pilot supply
pressure is too high, the pump could leak
air or exhaust excessive air at stall.
Reed Switch
Pulse Count models are intended for use with
customer-supplied fluid management or inventory tracking systems. Attach an M12, 5-pin
female cable to connect the reed switch to your
data monitoring system. See Manual 406824.
Air Exhaust Ventilation
Trapped air can cause the pump to cycle
unexpectedly, which could result in serious
injury from splashing.
3. Locate another master air valve (E)
upstream from all air line accessories and
use it to isolate them during cleaning and
repair.
4. An air line filter (F) removes harmful dirt
and moisture from the compressed air
supply.
5. Install a grounded, flexible air hose (A)
between the accessories and the 1/2 npt(f)
pump air inlet (D). Use a minimum 3/8 in.
(10 mm) ID air hose.
The air exhaust port is 3/4 npt(f). Do not
restrict the air exhaust port. Excessive exhaust
restriction can cause erratic pump operation.
To provide a remote exhaust:
1. Remove the muffler (T) from the pump air
exhaust port.
2. Install a grounded air exhaust hose (U) and
connect the muffler (T) 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.
3. Place a container at the end of the air
exhaust line to catch fluid in case a diaphragm ruptures. If the diaphragm ruptures, the fluid being pumped will exhaust
with the air.
8312877G
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