Graco Husky D71 Series Bedienungsanleitung

Instructions – Parts List

GRACO INC.ąP.O. BOX 1441ąMINNEAPOLIS, MNą55440-1441

ACETAL, POLYPROPYLENE, AND KYNAR

Huskyt1040 Air-Operated

Diaphragm Pumps

Acetal Model Shown

120 psi (0.8 MPa, 8 bar) Maximum Fluid Working Pressure

120 psi (0.8 MPa, 8 bar) Maximum Air Input Pressure

*Model No. D71 Acetal Pumps

*Model No. D81 Acetal Pumps, Remote

*Model No. D72 Polypropylene Pumps

*Model No. D82 Polypropylene Pumps, Remote

*Model No. D75 KynarPumps

*Model No. D85 KynarPumps, Remote

*Model No. DR2 Polypropylene Plus

Pumps

*Model No. DS2 Polypropylene Plus

Pumps, Remote

*Model No. DR5 KynarPlus Pumps

*Model No. DS5 KynarPlus

Pumps, Remote

*NOTE: Refer to the Pump Matrix on page 24 to

determine the Model No. of your pump.

NOTE: Plus Models include stainless steel

center sections.

US and Foreign Patents Pending

308443S

Read warnings and instructions.

See page 2 for table of contents

04155B

Parts

2 308443

Table of Contents

Safety Warnings 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operation 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

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

Service

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

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

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

Bearing and Air Gasket Removal 22. . . . . . . . . . . . .

Pump Matrix 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Repair Kit Matrix 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parts 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Dimensional Drawings 30. . . . . . . . . . . . . . . . . . . . . . . . .

Technical Data and Performance Chart 31. . . . . . . . . . .

Graco Standard Warranty 34. . . . . . . . . . . . . . . . . . . . . .

Graco Information 34. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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.

This equipment is for professional use only.

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

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

Do not alter or modify this equipment. Use only genuine Graco parts and accessories.

Check equipment daily. Repair or replace worn or damaged parts immediately.

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

This equipment has a 120 psi (0.8 MPa, 8 bar) maximum working pressure at 120 psi

(0.8 MPa, 8 bar) maximum incoming air pressure.

Use 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.

Do not use hoses to pull equipment.

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).

Do not lift pressurized equipment.

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

INSTRUCTIONS

WARNING

308443 3

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.

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

and solvent manufacturer.

Pipe 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 10.

To pump acids, always use a Kynaror a polypropylene pump. Take precautions to avoid acid

or acid fumes from contacting the pump housing exterior. Stainless steel parts will be damaged

by exposure to acid spills and fumes. Never use an acetal pump to pump acids.

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 on page 5.

Never use a polypropylene or Kynarpump with non-conductive flammable fluids as specified

by your local fire protection code. Refer to Grounding on page 5 for additional information.

Consult your fluid supplier to determine the conductivity or resistivity of your fluid.

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 pumped.

Pipe 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 10.

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 off any light switch in the work area while operating or if fumes are present.

Do not operate a gasoline engine in the work area.

WARNING

4 308443

Installation

General Information

The Typical Installation shown in Fig. 2 is only a

guide for selecting and installing system compo-

nents. Contact your Graco distributor for assistance

in planning a system to suit your needs.

Always use Genuine Graco Parts and Accessories.

Reference numbers and letters in parentheses refer

to the callouts in the figures and the parts lists on

pages 26 to 27.

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.

Read TOXIC FLUID HAZARD on page 3.

Use fluids and solvents that 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

warnings.

WARNING

Tightening Screws Before First Use

After you unpack the pump, and before you use it for

the first time, check and retorque external fasteners.

Retorque the fluid cover screws first, then the manifold

screws. This keeps the manifolds from interfering with

tightening the fluid covers. See the Service section for

torque specifications.

After the first day of operation, check and retorque the

fasteners again. Although the recommended

frequency for retorquing fasteners varies with pump

usage, a general guideline is to retorque fasteners

every two months.

308443 5

Installation

Grounding

WARNING

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.

The acetal pump contains stainless steel fibers

which make the wetted parts conductive. Attaching

the ground wire to the grounding strip will ground

the air motor and the wetted parts.

The polypropylene and Kynar pumps are not

conductive. Attaching the ground wire to the

grounding strip will ground only the air motor. When

pumping conductive flammable fluids, always

ground the entire fluid system by making sure the

fluid system has an electrical path to a true earth

ground (see Fig. 2). Never use a polypropylene or

Kynar 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.

NOTE: When pumping conductive flammable fluids

with a polypropylene or Kynar pump, always ground

the fluid system. See the WARNING above. Fig. 2

shows a recommended method of grounding flam-

mable fluid containers during filling. This is only a

guide; contact your Graco distributor for assistance in

grounding your system.

Ground all of this equipment:

Pump: 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.

222011 Ground Wire and Clamp.

02646B

Fig. 1

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 the manufacturer’s recom-

mendations.

All solvent pails used when flushing: Follow the

local code. Use only grounded metal pails, which

are conductive. Do not place the pail on a non-con-

ductive surface, such as paper or cardboard, which

interrupts the grounding continuity.

Fluid supply container: Follow the local code.

6 308443

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 grounded.

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 a grounded, flexible air hose (A) between

the accessories and the 1/2 npt(f) pump air inlet

(N). See Fig. 2. Use a minimum 3/8” (10 mm) ID

air hose. Screw an air line quick disconnect cou-

pler (D) onto the end of the air hose (A), and 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.

KEY

A 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 line

H Fluid supply

J Fluid drain valve (required)

K Fluid shutoff valve

L Fluid line

N 1/2 npt(f) air inlet port

R 1” fluid inlet port

S 1” fluid outlet port

Y Ground wire (required; see page 5

for installation instructions)

Fig. 2

FLOOR MOUNT TYPICAL INSTALLATION

04170B

308443 7

Installation

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 10.

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.

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.

Fluid Suction Line

If using a conductive (Acetal) pump, use conductive

hoses (G). If using a non-conductive (polypropy-

lene or Kynar) pump, ground the fluid system. See

Grounding on page 5.

The pump fluid inlet (R) is a 1” raised face flange.

See Flange Connections on page 8.

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 ineffi-

cient pump operation.

At inlet fluid pressures greater than 15 psi

(104 kPa, 1 bar), diaphragm life will be shortened.

See the Technical Data on page 31 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. Use grounded fluid hoses (L). The pump fluid

outlet (S) is a 1” raised face flange. Refer to

Flange Connections on page 8.

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.

8 308443

Installation

Flange Connections

The fluid inlet and outlet ports are 1” raised face

flanges. Connect 1” flanged plastic pipe to the pump

as follows. You will need:

Torque wrench

Adjustable wrench

One 4.25” diameter, 1/8” thick gasket, with

four 0.62 diameter holes and a 1.15” diameter

center

Four 1/2” x 2.5” bolts

Four 1/2” spring lockwashers

Eight 1/2” flat washers

Four 1/2” nuts.

1. Place a lockwasher and a flat washer on each bolt.

Refer to Fig. 3.

2. Align the holes in the gasket and the pipe flange

with the holes in the pump flange.

3. Lubricate the threads of the four bolts. Install the

bolts through the holes and secure with the wash-

ers and nuts.

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 N-m). Do not over-torque.

Fig. 3

04405

KEY

A Flanged plastic pipe

Bgasket

C Bolt

D Lockwasher

E Flat washer

F Nut

R 1” fluid inlet flange

S 1” fluid outlet flange

Torque to 10 to 15 ft-lb (14-20 N-m).

Do not over-torque.

BOLT TIGHTENING SEQUENCE

04404B

PTFE

308443 9

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 or 112) holding the inlet

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

(101).

2. Reverse the manifold and reattach. Install the

screws (106 or 112). Torque the manifold screws

to 80 to 90 in-lb (9 to 10 N-m). See Fig. 4.

Fig. 4

KEY

N 1/2 npt(f) air inlet port

P Muffler; air exhaust port

is 3/4 npt(f)

R 1” fluid inlet port

S 1” fluid outlet port

101 Covers

102 Fluid inlet manifold

103 Fluid outlet manifold

106 Manifold screws

112 Manifold screws

Acetal Model Shown

103

102

101

112

106

Torque to 80 to 90 in-lb (9 to 10 N-m).

04155B

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

04228B

Fig. 5

2Connect fluid inlet line here.

KEY

R 1” fluid inlet port

S 1” fluid outlet port

V Pressure relief valve

Part No. 110134 (aluminum)

Part No. 112119 (stainless steel)

Connect fluid outlet line here.

Install valve between fluid inlet and outlet ports.

10 308443

Installation

Air Exhaust Ventilation

FIRE AND EXPLOSION HAZARD

Be sure to read FIRE OR EXPLOSION

HAZARD and TOXIC FLUID HAZARD

on page 3, before operating this pump.

Be sure the system is properly ventilated

for your type of installation. You must

vent the exhaust to a safe place, away from peo-

ple, animals, food handling areas, and all sources

of ignition when pumping flammable or hazardous

fluids.

When pumping flammable fluids, always use an

acetal pump. The acetal pump contains stainless

steel fibers and is more conductive than polypropy-

lene or Kynarpumps. Never use polypropylene

or Kynarpumps with flammable fluids.

Diaphragm failure will cause the fluid being

pumped to exhaust with the air. Place an appropri-

ate container at the end of the air exhaust line to

catch the fluid. See Fig. 6.

WARNING 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 (P) from the pump air exhaust

port.

2. Install a grounded air exhaust hose (T) and con-

nect the muffler (P) 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. See Fig. 6.

3. Place a container (U) at the end of the air exhaust

line to catch fluid in case a diaphragm ruptures.

Fig. 6

KEY

A Air supply line

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

P Muffler

T Grounded air exhaust hose

U Container for remote air exhaust

FBEC

VENTING EXHAUST AIR

04168A

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