Graco Husky 15120 Gebrauchs- und Pflegehandbuch

Repair/Parts

Husky™ 15120 Air-Operated

Diaphragm Pump3A2889A

Polypropylene or PVDF pumps for ﬂuid transfer applications, including high viscosity materials. For

professional use only.

Not for use in European explosive atmosphere locations.

Important Safety Instructions

Read all warnings and instructions in this manual.

Save these instructions.

Maximum Working Pressure: 125 psi

(0.86 MPa, 8.6 bar)

PROVEN QUALITY. LEADING TECHNOLOGY.

Contents

Warnings ........................................................... 3

Ordering Information........................................... 6

Related Manuals ................................................ 6

Conﬁguration Number Matrix............................... 7

Troubleshooting.................................................. 8

Notes................................................................. 10

Repair................................................................ 11

Pressure Relief Procedure............................ 11

Replace Complete Air Valve ......................... 11

Replace Seals or Rebuild Air Valve............... 12

Check Valve Repair ..................................... 14

Diaphragm and Center Section Repair ........... 15

Torque Instructions ............................................. 19

Parts.................................................................. 20

Accessories........................................................ 31

Technical Data ...................................................32

Graco Standard Husky Pump Warranty................ 34

23A2889A

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 symbols refer to procedure-speciﬁc

risks. When these symbols appear in the body of this manual or on warning labels, refer backtothese

Warnings. Product-speciﬁc hazard symbols and warnings not covered in this section may appear 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.

•Grounda

ll equipment in the work area. See Grounding instructions.

• Use only grounded hoses.

• Hold gun ﬁrmly to side of grounded pail when triggering into pail. Do not use pail liners unless

they are antistatic or conductive.

•Stop operation immediately if static sparking occurs or you feel a shock.Do not use

equipment until you identify and correct the problem.

• Keep a working ﬁre extinguisher in the work area.

• Route exhaust away from all ignition sources. If diaphragm ruptures, ﬂuid may be exhausted

with air.

Static charge may build up on plastic parts during cleaning and could discharge and ignite

ﬂammable vapors. To help prevent ﬁre and explosion:

• Clean plastic parts only in well ventilated area.

• Do not clean with a dry cloth.

• Do not operate electrostatic guns in equipment work area.

PRESSURIZED EQUIPMENT HAZARD

Fluid from the equipment, leaks, or ruptured components can splash in the eyes or on skin

and cause serious injury.

• Follow the Pressure Relief Procedure when you stop spraying/dispensing and before

cleaning, checking, or servicing equipment.

• Tighten all ﬂuid connections before operating the equipment.

•Ch

eck hoses, tubes, and couplings daily. Replace worn or damaged parts immediately.

3A2889A 3

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 Technical 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.

•Turnoffal

l 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. Alterations or modiﬁcations may void agency approvals

and create safety hazards.

•Makesure

all equipment is rated and approved for the environment in which you are using it.

• 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.

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.

PLASTIC PARTS CLEANING SOLVENT HAZARD

Many solvents can degrade plastic parts and cause them to fail, which could cause serious

injury or property damage.

•Use

only compatible water-based solvents to clean plastic structural or pressure-containing

parts.

•SeeTechnical Data in this and all other equipment instruction manuals. Read ﬂuid and

solvent manufacturer’s MSDSs and recommendations.

43A2889A

Warnings

WARNING

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 MSDSs to know the speciﬁc hazards of the ﬂuids you are using.

• Route exhaust away from work area. If diaphragm ruptures, ﬂuid may be exhausted into

the air.

• Store hazardous ﬂuid in approved containers, and dispose of it according to applicable

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

Wear appropriate protective equipment when in the work area to help prevent serious injury,

including eye injury, hearing loss, inhalation of toxic fumes, and burns. This protective

equipment includes but is not limited to:

•Protect

ive eyewear, and hearing protection.

• Respirators, protective clothing, and gloves as recommended by the ﬂuid and solvent

manufacturer.

3A2889A 5

Ordering Information

To Find Your Nearest Distributor

1. Visit www.graco.com.

2. Click on Where to Buy and use the Distributor

Locator.

To Specify the Conﬁguration of a New

Pump

Please call your distributor.

Use the Online Husky Selector Tool on the Process

Equipmentpage at www.graco.com.

To Order Replacement Parts

Please call your distributor.

Distributor Note

1. To ﬁnd part numbers for new pumps or kits, use

the Online Husky Selector Tool.

2. To ﬁnd part numbers for replacement parts:

a. Use the 20–digit number from the ID

plate on the pump. If you only have

the Graco 6–digit part number, use the

Online Husky Selector Tool to ﬁnd the

corresponding 20–digit number.

b. Use the Conﬁguration Number Matrix on the

next page to understand which parts are

described by each digit.

c. Refer to the main Parts illustration and to the

Parts/Kits Quick Reference. Follow the page

references on these two pages for further

ordering information, as needed.

3. Please call Graco Customer Service to order.

Related Manuals

Manual

Number

Title

3A2888 Husky 15120 Air-Operated Diaphragm

Pump, Operation

63A2889A

Conﬁguration Number Matrix

Check the identiﬁcation plate (ID) for the Conﬁguration Number of your pump. Use the following matrix to

deﬁne the components of your pump.

CONFIGURATION NO.PART NO. SERIAL NO.

SERIESDATE CODE MAX WPR PSI-bar

Graco Inc., P.O. Box 1441

Mpls, MN 55440 USA

MADE IN

Sample Conﬁguration Number: 15120P-P01AP1PPPTFKPT

15120P P01A P1 PP PT FK PT

Pump Model Center

Section and

Air Valve

Fluid Covers

and Manifolds

Seats Balls Diaphragms Manifold and Seat Seals

Pump Center Section and Air

Valve Material

For Use With Fluid Covers and Manifolds

15120P

Polypropylene

P01A Polypropylene Standard

Diaphragms

P1 Polypropylene, Center Flange,

ANSI/DIN

15120F

PVDF

P01G Polypropylene Overmolded

Diaphragms

P2 Polypropylene, End Flange,

ANSI/DIN

F2 PVDF, End Flange, ANSI/DIN

Seat Material Ball Material Diaphragm Material Manifold and Seat

Seal Material

PP Polypropylene FK FKM FK FKM PT PTFE

PV PVDF PT PTFE PO PTFE/EPDM Overmolded

SP Santoprene SP Santoprene PT PTFE/Santoprene 2–Piece

SS Stainless

Steel

SP Santoprene

3A2889A 7

Troubleshooting

Problem Cause Solution

Pump is running too fast, causing

cavitation before prime.

Reduce air inlet pressure.

Check valve ball severely worn or

wedged in seat or manifold.

Replace ballandseat.

Seat severely worn. Replace ball and seat.

Outlet or inlet clogged. Unclog.

Inlet or outlet valve closed. Open.

Inlet ﬁttings or manifolds loose. Tighten.

Pump cycles but will not prime.

Manifold o-rings damaged. Replace o-rings.

Pump cycles at stall or fails to hold

pressure at stall.

Worn check valve balls, seats, or

o-rings.

Replace.

Air valve is stuck or dirty. Disassemble and clean air valve.

Use ﬁltered air.

Check valve ball severely worn and

wedged in seat or manifold.

Replace ball and seat.

Pilot valve worn, damaged, or

plugged.

Replace pilot valve.

Air valve gasket damaged. Replace gasket.

Pump will not cycle, or cycles once

and stops.

Dispensing valve clogged. Relieve pressure and clear valve.

Clogged suction line. Inspect; clear.

Sticky or leaking check valve balls. Clean or replace..

Diaphragm (or backup) ruptured. Replace.

Restricted exhaust. Remove restriction.

Pilot valves damaged or worn. Replace pilot valves.

Air valve damaged. Replace air valve.

Air valve gasket damaged. Replace air valve gasket.

Air supply erratic. Repair air supply.

Pump operates erratically.

Exhaust mufﬂer icing. Use drier air supply.

83A2889A

Troubleshooting

Problem Cause Solution

Suction line is loose. Tighten.

Diaphragm (or backup) ruptured. Replace.

Loose manifolds, damaged seats or

o-rings.

Tighten manifold bolts or replace

seats or o-rings.

Pump cavitation. Reduce pump speed or suction lift.

Air bubbles in ﬂuid.

Loose diaphragm shaft bolt. Tighten.

Diaphragm (or backup) ruptured. Replace.

Exhaust air contains ﬂuid being

pumped. Loose diaphragm shaft bolt. Tighten or replace.

Moisture in exhaust air. High inlet air humidity. Use drier air supply.

Worn air valve cup or plate. Replace cup and plate.

Damaged air valve gasket. Replace gasket.

Damaged pilot valve. Replace pilot valves.

Pump exhausts excessive air at

stall.

Worn shaft seals or bearings. Replace shaft seals or bearings.

Air valve or ﬂuid cover screws loose. Tighten.

Diaphragm damaged. Replace diaphragm.

Pump leaks air externally.

Air valve gasket damaged. Replace gasket.

Loose manifold screws or ﬂuid cover

screws.

Tighten manifold screws or ﬂuid

coverscrews.

Pump leaks ﬂuid externally from

joints.

Manifold o-rings worn out. Replace o-rings.

3A2889A 9

Notes

10 3A2889A

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