Graco Husky 1590 Datasheet

Instructions – Parts List

POLYPROPYLENE AND PVDF

Huskyt1590 Air-Operated

Diaphragm Pumps

1.5–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 (0.84 MPa, 8.4 bar) Maximum Fluid Working Pressure

120 psi (0.84 MPa, 8.4 bar) Maximum Air Input Pressure

308549ZAC

Important Safety Instructions

Read all warnings and instructions in

this manual. Save these instructions.

04700B

2 308549

Table of Contents

Models 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Safety Warnings 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operation 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Maintenance 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Service

Repairing the Air Valve 16. . . . . . . . . . . . . . . . . . . . . .

Ball Check Valve Repair 18. . . . . . . . . . . . . . . . . . . . .

Diaphragm Repair 19. . . . . . . . . . . . . . . . . . . . . . . . . .

Bearing and Air Gasket Removal 23. . . . . . . . . . . . .

Pump Matrix 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Repair Kit Matrix 27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parts 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Torque Sequence 32. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Dimensions 33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Technical Data and Performance Chart 35. . . . . . . . . . .

Graco Standard Warranty 36. . . . . . . . . . . . . . . . . . . . . .

Graco Information 36. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Models

Model No. Description

*DB2______ Polypropylene Pumps

*DC2______ Polypropylene Pumps, Remote

*DB5______ PVDF Pumps

*DC5______ PVDF Pumps, Remote

*DT2______ Polypropylene Plus Pumps

*DU2______ Polypropylene Plus Pumps, Remote

*DT5______ PVDF Plus Pumps

*DU5______ PVDF Plus Pumps, Remote

24B758 PVDF Plus Pump with overmolded diaphragms

24B759 Polypropylene Plus Pump with overmolded diaphragms

24B760 Polypropylene Pump with overmolded diaphragms

24B761 Polypropylene Pump with overmolded diaphragms and sst seats

24B832 PVDF Pump with overmolded diaphragms

*See the Pump Matrix on page 26 to determine the Model No. of your pump.

NOTE: Plus Models include stainless steel center sections.

308549 3

Symbols

Warning Symbol

WARNING

This 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.

DThis equipment is for professional use only.

DRead all instruction manuals, tags, and labels before operating the equipment.

DUse the equipment only for its intended purpose. If you are not sure, call Graco your Graco

distributor.

DDo not alter or modify this equipment.

DCheck equipment daily. Repair or replace worn or damaged parts immediately.

DDo not exceed the maximum working pressure of the lowest rated component in your system.

This equipment has a 120 psi (0.84 MPa, 8.4 bar) maximum working pressure at 120 psi

(0.84 MPa, 8.4 bar) maximum incoming air pressure.

DUse 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.

DDo not use hoses to pull equipment.

DRoute 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).

DDo not lift pressurized equipment.

DWear hearing protection when operating this equipment.

DComply with all applicable local, state, and national fire, electrical, and safety regulations.

INSTRUCTIONS

WARNING

4 308549

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.

DKnow the specific hazards of the fluid you are using.

DStore hazardous fluid in an approved container. Dispose of hazardous fluid according to all local,

state and national guidelines.

DAlways wear protective eyewear, gloves, clothing and respirator as recommended by the fluid

and solvent manufacturer.

DPipe 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.

DGround the equipment. Refer to Grounding on page 6.

DNever use a polypropylene or PVDFRpump 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.

DIf 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.

DProvide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid

being sprayed, dispensed, or transferred.

DPipe 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.

DKeep the work area free of debris, including solvent, rags, and gasoline.

DElectrically disconnect all equipment in the work area.

DExtinguish all open flames or pilot lights in the work area.

DDo not smoke in the work area.

DDo not turn on or off any light switch in the work area while operating or if fumes are present.

DDo not operate a gasoline engine in the work area.

WARNING

308549 5

Installation

General Information

DThe 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.

DAlways use Genuine Graco Parts and Accessories.

Be sure all accessories are adequately sized and

pressure-rated to meet the system’s requirements.

DReference numbers and letters in parentheses refer

to the callouts in the figures and the parts lists on

pages 30 to 31.

DVariations in color between the plastic components

of this pump are normal. Color variation does not

affect the performance of the pump.

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.

WARNING

Tighten Screws Before First Use

Before using the pump for the first time, check and

retorque all external fasteners. See Torque Se-

quence, page 32. After the first day of operation,

retorque the fasteners. Although pump use varies, a

general guideline is to retorque fasteners every two

months.

6 308549

Installation

Grounding

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.

Polypropylene and PVDF are not conductive.

Attaching the ground wire to the grounding lug

grounds 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.

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

a conductivity greater than 50 x 10–12 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

than 2 x 1012 ohm-centimeters.

WARNING

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.

Ground all of this equipment:

DPump: 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.

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.

DAir and fluid hoses: Use only electrically conductive

hoses.

DAir compressor: Follow the manufacturer’s recom-

mendations.

DAll solvent pails used when flushing: Follow your

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.

DFluid supply container: Follow your local code.

Fig. 1

02646

308549 7

Installation

Air Line

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.

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.

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.

b. Locate one bleed-type master air valve (B)

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.

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.

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.

04701B

KEY FOR FIG. 2

A Electrically conductive air supply hose

B Bleed-type master air valve

(required for pump)

C Air regulator

D Air line quick disconnect

E Master air valve (for accessories)

F Air line filter

G Fluid suction hose

H Fluid supply

J Fluid drain valve (required)

K Fluid shutoff valve

L Fluid hose

N 1/2 npt(f) air inlet port

R 1–1/2” fluid inlet flange

S 1–1/2” fluid outlet flange

Y Ground wire (required; see page 6

for installation instructions)

Fig. 2

Floor Mount Typical Installation

Y J

DKL

8 308549

Installation

Installation of Remote Pilot Air Lines

1. Refer to Parts Drawings. Connect air line to pump

as in preceding steps.

2. Connect 1/4 in. O.D. tubing to push type connec-

tors (14) on air motor of pump.

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. Connect remaining ends of tubes to external air

signal, such as Graco’s Cycleflo (P/N 195264) or

Cycleflo II (P/N195265) controllers.

NOTE: the air pressure at the connectors must be at

least 30% of the air pressure to the air motor for the

pump to operate.

Mountings

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.

1. Be sure the mounting surface can support the

weight of the pump, hoses, and accessories, as

well as the stress caused during operation.

2. For all mountings, be sure the pump is bolted

directly to the mounting surface.

3. 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.

4. Rubber Foot Mounting Kit 236452 is available to

reduce noise and vibration during operation.

Fluid Suction Line

1. The pump fluid inlet (R) is a 1–1/2 in. raised face

flange. Refer to Flange Connections on page 9.

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.

3. At inlet fluid pressures greater than 15 psi

(0.1 MPa, 1 bar), diaphragm life will be shortened.

4. See the Technical Data on page 35 for maximum

suction lift (wet and dry).

Fluid Outlet Line

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.

1. The pump fluid outlet (S) is a 1–1/2 in. raised face

flange. Refer to Flange Connections on page 9.

2. Install a fluid drain valve (J) near the fluid outlet.

See the WARNING above.

3. Install a shutoff valve (K) in the fluid outlet line.

308549 9

Installation

Flange Connections

The fluid inlet and outlet ports are 1–1/2 in. raised

face, standard 150 lb class pipe flanges. Connect

1–1/2 in. flanged plastic pipe to the pump as follows.

You will need:

DTorque wrench

DAdjustable wrench

Da 5 in. diameter, 1/8 in. thick PTFE gasket, with

four 0.63 in. diameter holes on a 3.88 in. diameter

bolt circle, and a 1.75 in. diameter center

Dfour 1/2 in. x 3 in. bolts

Dfour 1/2 in. spring lockwashers

Deight 1/2 in. flat washers

Dfour 1/2 in. nuts.

1. Place a flat washer (E) on each bolt (C). Refer to

Fig. 3.

2. Align the holes in the gasket (B) and the pipe

flange (A) with the holes in the pump outlet flange

(S).

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).

4. Hold the nuts with a wrench. Refer to the tighten-

ing sequence in Fig. 3 and torque the bolts to 10 to

15 ft-lb (14 to 20 NSm). Do not over-torque.

5. Repeat for the pump inlet flange (R).

04703B

04405

Fig. 3

BOLT TIGHTENING SEQUENCE

1Lubricate threads. Torque to 10 to 15 ft-lb

(14–20 N-m). Do not over-torque.

KEY FOR FIG. 3

A Flanged plastic pipe

B PTFE gasket

C Bolt

D Lockwasher

E Flat washer

FNut

R 1–1/2” fluid inlet flange

S 1–1/2” fluid outlet flange

10 308549

Installation

Changing the Orientation of the Fluid Inlet

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:

1. Remove the screws (106 and 112) holding the inlet

(102) and/or outlet (103) manifold to the covers

(101).

2. Reverse the manifold and reattach. Install the

screws and torque to 80 to 90 in-lb (9 to 10 NSm).

See Torque Sequence, page 32.

04700B

Fig. 4

1Torque to 80 to 90 in-lb (9 to 10 NSm).

See Torque Sequence, page 32.

KEY

N 1/2 npt(f) Air Inlet Port

P Muffler; Air Exhaust Port

is 3/4 npt(f)

R 1–1/2” Fluid Inlet Flange

S 1–1/2” Fluid Outlet Flange

101 Fluid Covers

102 Fluid Inlet Manifold

103 Fluid Outlet Manifold

106 Fluid Outlet Manifold

Screws (Top)

112 Fluid Inlet Manifold

Screws (Bottom)

103

102

101

106

112

Fluid Pressure Relief Valve

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.

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).

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.

CAUTION

Fig. 5

2Connect fluid inlet line here.

KEY

R 1–1/2” fluid inlet flange

S 1–1/2” fluid outlet flange

V Pressure relief valve

Part No. 112119 (stainless steel)

Connect fluid outlet line here.

Install valve between fluid inlet and outlet ports.

04702B

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