Graco 15B111 Operation manual

Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441

Portions copyright ENDISYS, used with permission.

309549rev.B

Instructions/Parts List

Inflatable Wiper

Retrofit Kit

For Sanitary Ram Plates

Part No. 15B111, for 21-1/2 in. Plate

Part No. 15B114, for 22-1/2 in. Plate

Read warnings and instructions.

CAUTION

WIPER SEAL LUBRICATION

The wiper seal must be lubricated with a compatible

sanitary grease to ensure minimal friction between the

tube, plate and sides of the container. The sides of

the container will be lubricated by the material. Fail-

ure to lubricate the seal will result in wiper seal dam-

age.

2309549B

Contents

Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

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

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

Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Graco Phone Numbers . . . . . . . . . . . . . . . . . . . . . 12

Manual Conventions

Warning Caution

Note

WARNING

A warning alerts you to the possibility of serious injury

or death if you do not follow the instructions.

Symbols, such as moving parts (shown above), alert

you to a specific hazard and direct you to read the indi-

cated hazard warnings (page 3) for detailed informa-

tion.

CAUTION

A caution alerts you to the possibility of damage to or

destruction of equipment if you do not follow the

instructions.

A note calls attention to additional helpful informa-

tion.

Warning

309549B 3

WARNING

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 system component. Refer to the

separate component manuals for the maximum working pressure of this equipment.

• Use fluids and solvents which are compatible with the equipment wetted parts. Refer to the Techni-

cal Data section of all equipment manuals. Read the fluid and solvent manufacturer's warnings.

• Route hoses away from traffic areas, sharp edges, moving parts, and hot surfaces. Do not expose

Graco hoses to temperatures above 82°C (180°F) or below -40°C (-40°F).

• Wear hearing protection when operating this equipment.

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

MOVING PARTS HAZARD

Moving parts can pinch or amputate fingers or other body parts. Pressurized equipment can start acci-

dentally and cause serious injury.

• Keep clear of moving parts.

• Do not operate equipment with protective guards or covers removed.

• Before checking or servicing equipment, follow the Pressure Relief Procedure on page 9. Discon-

nect power or air supply.

• Do not move or lift pressurized equipment.

Scope

4309549B

Scope

The Retrofit Kit for ram plates with inflatable wipers can

be field installed in less than one hour. Tools required

include:

•Standard blade screw driver

•Adjustable wrench

•Electric drill with 1/8”drill bit

The Retrofit Kit assembly consists of the parts shown in

FIG. 1.

FIG. 1. Retrofit Kit

20 psi Pressure Relief Valve

Air Actuator Valve

1/4”Air Outlet

Tube Connector

0-30 psi Gau

1/4”Air Inlet

Tube Connector

0-25 psi Re

ulator

8 feet - 1/4”O.D. Air Tubin

, 1/4 “Tube Connector for existin

air re

ulator, and kit mountin

hardware not shown

TI4014a

Blow Off Valve

Tube Connector

Installation

309549B 5

Installation

Handle all parts carefully when removing them from

their shipping packaging.

Relieve the pressure (page 9), and remove air supply to

unit prior to installing this kit.

See FIG. 2 for steps 1-4.

1. Remove mountin

screws.

2. Remove remainin

fittin

s from bottom of air actua-

tor.

3. Remove air tube elbow.

4. Remove tubin

connections from bottom of actuator

valve.

FIG. 2. Standard Graco Ram Control

Step

Installation

6309549B

See FIG. 3 for steps 5-7.

5. Remove 3 le

end plates from bracket (pry off with

screw driver).

6. Reinstall air tube elbow into bottom port of air actua-

tor valve.

7. Remove plu

from bottom of air re

ulator. Install

supplied air tube connector (1/8 npt(m) x 1/4”tube

O.D.).

FIG. 3. Standard Graco Ram Control

Step

Installation

309549B 7

See FIG. 4 for steps 8-11.

8. To remount existin

ram air actuator, ali

n bottom

two holes of actuator with top two holes of mountin

plate. Use one screw and nut to anchor to the plate.

9. Drill holes throu

h the mountin

plate by usin

the

top two holes of the actuator as a

uide. Secure

actuator to plate with remainin

screws and nuts.

10. To mount the new kit, ali

n the top holes of the actu-

ator with the bottom holes of the mountin

plate.

Use one screw and nut (provided with kit) to anchor

to the plate.

11. Drill two holes throu

h the mountin

plate by usin

the bottom two holes of the actuator as a

uide.

Secure actuator to plate with remainin

screws and

nuts (supplied).

FIG. 4. New Control Panel (with inflatable wiper regulation)

Step

TI4013a

Installation

8309549B

See FIG. 5 for steps 12-14.

12. Cut 1/4”tubin

(supplied with kit) to len

th and

install between the tube connector at ram re

ulator

and wiper air control inlet.

13. Connect 1/4”tubin

from blow off valve to the ram

plate blow off fittin

. When cuttin

tubin

to len

th,

leave adequate amount to ensure proper operation

throu

hout ram travel.

14. Connect 1/4”tubin

from wiper air control outlet to

the ram plate wiper. When cuttin

tubin

to len

th,

leave adequate amount to ensure proper operation

throu

hout ram travel.

FIG. 5. New Control Panel (with inflatable wiper regulation)

Step

TI4013a

Step

TI4015a

Operation

309549B 9

Operation

Your new sanitary ram plate offers greater versatility and

value-added features over conventional versions:

•When deflated, the seal retracts inside the outer

diameter of the plate weldment.

•The plate has no loose parts to be misplaced during

cleaning.

•The seal can be removed with little effort.

•The weldment is constructed of 316 SST and con-

tains a universal mount for pumps.

The seal pressure must be adjusted to meet your pro-

cess requirements. Process material viscosity, ram

pressure, drum diameter, and pumping rate are key fac-

tors in determining the proper seal pressure.

Typically,

for standard 55-gallon drum applications, set the

pressure regulator between 10 and 14 psi.

The max-

imum pressure rating for the seal is 25 psi. The safety

relief valve is set to 20 psi to prevent over-pressuriza-

tion.

Use trial and error to find the right combination of ram

pressure and seal pressure. To minimize seal wear, use

the lowest possible air pressure while still preventing

material blow-by.

•If both ram and seal pressure are too high, the seal

will fail prematurely.

•If ram and/or seal pressure is too low, the pump may

not prime or the drum will not be sealed properly.

Pressure Relief Procedure

1. Relieve the pressure as explained in your separate

pump or system manual.

2. Turn off the air to the ram.

Sequence of Operation

Initial Conditions:

1. The ram is fully raised.

2. The seal is deflated.

3. The seal is lubricated with appropriate sanitary

grease.

4. The pump is off.

At the Operator Control Station:

1. Position a new process drum under the ram. If bag

liner is present, secure top of bag to outside of

drum.

2. Slowly lower the ram plate into the drum.

3. When plate to material contact is made, inflate the

ram seal.

4. Turn the pump on.

5. When drum is empty, turn pump off.

6. Deflate ram seal.

7. If a vacuum has formed between the ram plate and

the drum, push the button on the blow off valve to

activate blow off.

8. Raise plate out of drum.

WARNING

Read the warnings on page 3.

The blow off valve is typically used with highly vis-

cous materials.

Cleaning

10 309549B

Cleaning

Flush the unit before taking it apart for cleaning. Flush

the system with an over-sized container of cleaning

solution around the ram plate. Run the pump at low

speed and circulate the cleaning solution through the

system.

Flushing Safety

To reduce the risk of fluid injection injury, static sparking,

or splashing, follow the Pressure Relief Procedure (page

9) and remove the spray tip (spray guns or spray valves

only) before flushing. Hold a metal part of the gun firmly

to the side of a metal pail and use the lowest possible

fluid pressure during flushing.

Remove the Inflatable Seal

The inflatable seal must be removed from the

bottom

the ram plate. The bottom lip diameter is smaller than

the top.

Do not use sharp objects to remove the

seal.

Clean the seal and the ram plate.

1. Disconnect the air tube (A) from the seal fitting. The

fitting must be removed to allow passage of the

stem through the plate access tunnel.

2. On the side opposite the stem and starting with the

top edge, peel the seal downward. The bottom side

of the plate has a smaller diameter than the top to

facilitate easy removal and installation.

3. Continue peeling the top edge of the seal along the

diameter of the plate. Note that the top edge is

twisted downward. Once the seal is loose, gently

pull the stem from the tunnel.

FIG. 6

TI4015a

FIG. 7

FIG. 8

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