Graco High-Flo JS17A8 User manual

Instructions - Parts List

High-Flo®4-Ball and High-Flo®

Plus 4-Ball Pumps with XL Air

Motor 3A6938D

Air-powered pumps for low pressure, high volume circulation of finishing materials. Do

not use for flushing or purging lines with caustics, acids, abrasive line strippers, and other

similar fluids. For professional use only.

See Models, page 3, for model information.

Important Safety Instructions

Read all warnings and instructions in this

manual before using the equipment.

Save these instructions.

II 2 G

Ex h IIB T3 Gb

0°C Ta 60°C

Pumps are shown on optional floor stands.

Related Manuals

23A6938D

Contents

Related Manuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Typical Installation . . . . . . . . . . . . . . . . . . . . . . . . . 6

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Plumbing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Flush Before Using Equipment . . . . . . . . . . . . . . 8

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Pressure Relief Procedure . . . . . . . . . . . . . . . . . 9

Prime the Pump . . . . . . . . . . . . . . . . . . . . . . . . . 9

Stop Pump at Bottom of Stroke . . . . . . . . . . . . 10

Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Preventive Maintenance Schedule . . . . . . . . . . 11

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

High-Flo Pumps 1500cc or 2000cc with Sealed

4-Ball Lowers . . . . . . . . . . . . . . . . . . . . . . . 16

High-Flo Plus Pumps 2500cc, 3000cc, or

4000cc with Sealed 4-Ball Lowers . . . . . . . 16

High-Flo Pumps with 1500cc or 2000cc Open

Wet Cup 4-Ball Lowers . . . . . . . . . . . . . . . . 18

High-Flo Pumps with 750cc Sealed 4-Ball

Lowers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Motor Mounting Hole Diagrams . . . . . . . . . . . . . . 23

Performance Charts . . . . . . . . . . . . . . . . . . . . . . . . 24

Technical Specifications . . . . . . . . . . . . . . . . . . . . 27

California Proposition 65 . . . . . . . . . . . . . . . . . . . 27

Graco Standard Warranty . . . . . . . . . . . . . . . . . . . 28

Graco Information . . . . . . . . . . . . . . . . . . . . . . . . . 28

Related Manuals

Manual in

English Description

3A5423 XL™ 6500 and 3400 Air Motors

3A5348 Repair/Parts Manual, Sealed 4-Ball Plus Lowers

333022 Sealed 4-Ball Lowers

3A3452 4-Ball Lowers with Open Wet Cup

311619 Pump Mounting Kits

Models

3A6938D 3

Models

Your model number is marked on the pump identification plate located toward the rear of the air motor.

To determine the model number of your pump from the following matrix, select the six digits which describe your

pump. The first digit is always J for circulation pumps. The remaining five digits define the construction.

For example, a circulation pump with stainless steel construction, a 1.7:1 ratio, low noise exhaust, no DataTrak

option, a sealed lower with tri-clamp fittings, and an Ultralife rod and cylinder is model number JS17A8.

To order replacement parts, see page 16.

*Not all lower combinations are available. Consult the product brochure for available models.

JS 17 A 8

First Digit Second

Digit Third and

Fourth Digit Fifth Digit Sixth Digit

Pump Fluid

Component

Material Ratio

Code ‡ Motor

Size Lower

Size Exhaust DataTrak™LowerStyleand

Fittings* Rod Cylinder

(all

circulation

pumps)

(carbon

steel) 17 3400 4000 ALow

Noise No 5Sealed,

tri-clamp, NPT Chrome Chrome

(stainless

steel) 23 3400 3000 BLow

Noise Yes 6Sealed,

tri-clamp, NPT Ultralife Ultralife

28 3400 2500 CRemote No 8Sealed, tri-clamp Ultralife Ultralife

33 6500 4000 DRemote Yes 9Open Wet Cup,

NPT Ultralife Ultralife

35 3400 2000 0Open Wet Cup,

tri-clamp Ultralife Ultralife

44 6500 3000

45 3400 1500

53 6500 2500

90 3400 750

‡ Ratio Code

XX = X.X:1 ratio

Warnings

43A6938D

Warnings

The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama-

tion 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 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.

FIRE AND EXPLOSION HAZARD

Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. Paint or sol-

vent flowing through the equipment can cause static sparking. To help prevent fire and explosion:

• Use equipment only in well ventilated area.

• Eliminateallignitionsources; suchas pilotlights,cigarettes,portableelectric lamps,andplasticdrop

cloths (potential static sparking).

• Ground all equipment in the work area. See Grounding instructions.

• Never spray or flush solvent at high pressure.

• 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.

• Use only grounded hoses.

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

are anti-static 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.If there is static sparking or you feel a shock, stop oper-

ation immediately. Do not use equipment until you identify and correct the problem.

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 a well ventilated area.

• Do not clean with a dry cloth.

• Keep a working fire extinguisher in the 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.

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

Warnings

3A6938D 5

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.

• Donotexceedthemaximumworkingpressureor temperatureratingofthelowestratedsystemcom-

ponent. See Technical Specifications in all equipment manuals.

• Use fluids and solvents that are compatible with equipment wetted parts. See Technical Specifi-

cations in all equipment manuals. Read fluid and solvent manufacturer’s warnings. For complete

information about your material, request Safety Data Sheet (SDS) from distributor or retailer.

• 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 manu-

facturer’s replacement parts only.

• Donotalterormodifyequipment.Alterationsormodificationsmayvoidagencyapprovalsand create

safety hazards.

• Make sure 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.

MOVING 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.

• Pressurizedequipmentcan start withoutwarning. Before checking, moving, or servicing equipment,

follow the Pressure Relief Procedure and disconnect all power sources.

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 Safety Data Sheet (SDS) 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.

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. Protective 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.

Typical Installation

63A6938D

Typical Installation

Key:

AMixTank

B Pump Stand

C Fluid Supply Line; 1-1/2 in. (38 mm) minimum diameter

D Fluid Shutoff Valve

E Fluid Line

FPump

G Surge Tank

H Air Shutoff Valve (bleed-type)

J Air Supply Line

K Air Line Filter

L Air Regulator and Gauge

M Master Air Valve (bleed-type)

N Fluid Drain Valve

P Air Line Drain Valve

Y Pump Ground Wire (required, see page 7 for installation)

FIG. 1. Typical Installation

Installation

3A6938D 7

Installation

Grounding

Pump: use a ground wire and clamp (not included). See

FIG. 2. Remove the green ground screw (Z) from the

bottom of the air motor. Insert the screw through the

loop on the end of the ground wire (Y) and reattach the

screw to the air motor. Connect the ground clamp to a

true earth ground. Order Part No. 244524, Ground Wire

and Clamp.

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 the

electrical resistance of hoses. If the total resistance to

ground exceeds 25 megohms, replace hose immedi-

ately.

Air compressor: follow manufacturer’s recommenda-

tions.

Surge tank: use a ground wire and clamp.

Dispense valve: ground through a connection to a

properly grounded fluid hose and pump.

Fluid supply container: follow local code.

Object being sprayed: 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 non-conductive sur-

face, such as paper or cardboard, which interrupts

grounding continuity.

To maintain grounding continuity when flushing or

relieving pressure: hold metal part of the spray gun or

valve firmly to the side of a grounded metal pail, and

then trigger the gun or open the valve.

Mounting

The pump can be mounted using one of the following

options:

• Stand mount: Kit 253692

• Wall mount: Kit 255143

• Floor mount:

• Kit 19Y313—Complete kit

• Kit 19Y286—Plate for mounting to an existing

floor mount

Pump Mounting Kits manual 311619 describes the

mount parts and how to install each.

The equipment must be grounded to reduce the risk

of static sparking. Static sparking can cause fumes to

ignite or explode. Grounding provides an escape wire

for the electric current.

FIG. 2. Ground Wire

TI8250a

Z Y

Installation

83A6938D

Plumbing

Install a fluid shutoff valve (D) between the mix tank (A)

and the pump (F).

When using a stainless steel pump, use stainless steel

plumbing to maintain a corrosion-resistant system.

Flush Before Using Equipment

The equipment was tested with lightweight oil, which is

left in the fluid passages to protect parts. To avoid con-

taminating your fluid with oil, flush the equipment with a

compatible solvent before using the equipment. See

Flushing the Fluid Supply Lines, page 11.

Accessories

Install the following accessories in the order shown in

FIG. 1, page 6, using adapters as necessary.

Fluid Line

See FIG. 1, page 6.

•Fluid shutoff valve (D): shuts off fluid flow.

•Fluid filter: with a 60 mesh (250 micron) stainless

steel element to filter particles from the fluid as it

leaves the pump.

•Fluid drain valve (N): required in your system, to

relieve fluid pressure in the hose and gun.

Air Line

See FIG. 1, page 6.

•Second bleed-type air valve (H): isolates air line

accessories for servicing. Locate upstream from all

other air line accessories.

•Air line filter (K): removes harmful dirt and mois-

ture from compressed air supply.

•Pump air regulator (L): to control pump speed and

outlet pressure. Locate close to the pump.

•Bleed-type master air valve (M): required in your

system to relieve air trapped between it and the air

motor when the valve is closed.

NOTICE

To prevent a bellows failure in a sealed 4-ball pump:

• Do not exceed fluid inlet pressure of 15 psi (0.1

MPa, 1.0 bar).

• Do not use a ball check pump on the inlet side of

this pump.

• Do not use a suction tube with a check valve on

the inlet side of this pump.

Trapped air can cause the pump to cycle unexpect-

edly, which could result in serious injury from splash-

ing or moving parts. Be sure the valve is easily

accessible from the pump and located downstream

from the air regulator. Be sure the air bleed hole

points away from the operator.

To help prevent fluid over pressurization, do not

exceed the maximum air inlet pressure rating to the

air motor (see page 27). If you can apply more than

the maximum air input pressure to the system, install

a safety relief valve between the bleed-type master

air valve and the air motor. The safety relief valve

must be set to open if the air inlet pressure to the

motor exceeds the motor rating.

Operation

3A6938D 9

Operation

Pressure Relief Procedure

Follow the Pressure Relief Procedure

whenever you see this symbol.

1. Close the bleed-type master air valve (M).

2. Open the dispensing valve, if used.

3. Open all fluid drain valves (N) in the system, having

a waste container ready to catch drainage.

4. Leave drain valve(s) open until you are ready to

pump again.

Prime the Pump

1. Fill the wet cup with Throat Seal Liquid (TSL).

NOTE: Sealed 4-ball lowers with bellows do not

require TSL.

NOTE: During operation the TSL level in the wet cup will

fluctuate slightly at pump changeover.

2. Close pump air regulator (L) by turning the knob

counterclockwise, reducing pressure to zero. Close

the bleed-type air valve (H). Also verify that all drain

valves (N) are closed.

3. Connect air line (J) to bleed type air valve (H).

4. Check that all fittings throughout system are tight-

ened securely.

5. Connect the fluid supply line (C) from the mix tank

shutoff valve (D) to the pump.

6. Connect the fluid line (E) to the pump outlet or surge

suppressor outlet (G), if used.

NOTE: If your pump has DataTrak, see your separate

XL air motor manual for DataTrak instructions.

7. DataTrak equipped units with runaway protection

only: enable the prime/flush function by pushing the

prime/flush button on the DataTrak.

8. Open bleed-type air valve (H). Slowly turn pump air

regulator (L) clockwise, increasing pressure until

pump starts.

9. Cycle pump slowly until all air is pushed out and

pump and hoses are fully primed.

10. DataTrak equipped units with runaway protection

only: disable the prime/flush function by pushing the

prime/flush button on the DataTrak.

11. Close the fluid shutoff valve (D) downstream of the

pump. The pump should stall against pressure.

NOTE: In a circulation system, the pump operates con-

tinuously until the power supply is shut off. In a

direct-supply system, the pump starts when the dis-

pense valve is opened, and stops when the dispense

valve is closed.

This equipment stays pressurized until pressure is

manually relieved. To help prevent serious injury from

splashing fluid and moving parts, follow the Pressure

Relief Procedure when you stop spraying and before

cleaning, checking, or servicing the equipment.

NOTICE

Do not allow the pump to run quickly for a long period

of time as this may damage the packings.

Operation

10 3A6938D

Stop Pump at Bottom of Stroke

Relieve the pressure when you stop the pump for any

reason. Stop the pump on the down stroke, before the

air motor changes over.

Shutdown

Follow the Pressure Relief Procedure, page 9.

Always flush the pump before the fluid dries on the dis-

placement rod. See Flushing the Fluid Supply Lines

on page 11.

NOTICE

Failure to stop the pump at the bottom of its stroke

allows fluid to dry on the piston rod (R), which can

damage the throat seal.

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