Graco C Series Bedienungsanleitung

01583

INSTRUCTIONS–P

ARTS LIST

307–134

Rev. C

Supersedes

This manual contains IMPORT

ANT

ARNINGS AND INSTRUCTIONS

READ AND RET

AIN FOR REFERENCE

STAINLESS STEEL, WATERBASE COMPATIBLE

FLUID

PRESSURE REGULA

TOR

250

psi (18 bar) MAXIMUM INLET PRESSURE

5 to 100 psi (0.3 to 7 bar) REGULA

TED PRESSURE RANGE

Model

209–030, Series C

For

accurate, positive control of

fluid pressure to one low

pressure

spray gun, dispensing valve or atomizing

head.

CONTENTS

Safety

arnings 2.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Typical Installation 3.

. . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation 3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operation 4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting

Charts

. . . . . . . . . . . . . . . . . . . . . .

Service 6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parts

Drawing

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parts List 9.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Accessories 9

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Dimensional

Drawing

10.

. . . . . . . . . . . . . . . . . . . . . . . .

Warranty Back

Page

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Graco

Phone Numbers

Back Page

. . . . . . . . . . . . . . .

Technical

Data

Back Page

. . . . . . . . . . . . . . . . . . . . . . .

GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441



   

SAFETY

ARNINGS

FOR PROFESSIONAL USE ONLY. OBSERVE ALL WARNINGS

Read and understand all instruction manuals before operating equipment.

General Safety

Any misuse of the equipment or accessories, such as

overpressurizing, modifying parts, using incompatible

chemicals and fluids, or using worn or damaged parts,

can

cause them to rupture and result in

serious bodily in

jury,

such as splashing fluid in

the eyes or on the skin, or

fire, explosion or property damage.

ALWAYS

relieve all fluid pressure in the system before

removing

or servicing the

regulator

. Close the fluid shut-

off valve and relieve fluid pressure downstream of the

regulator.

NEVER

try to stop or deflect leaks with your hand or

body.

NEVER

alter or modify any part of this equipment; doing

could cause it to malfunction.

CHECK

the regulator weekly and repair or replace worn

damaged parts immediately

Read

and follow the fluid and solvent manufacturer

’s

lit

erature

regarding the use of protective eyewear

, gloves,

clothing,

respirator and other equipment.

Fluid Compatibility

BE SURE all fluids and solvents used are chemically

compatible

with the “W

etted Parts”

shown in the

TECH-

NICAL

on the back cover and with

the wetted parts

in all other system components. Always read the fluid

and solvent manufacturer’s literature before using the

fluid/solvent

in this regulator

System Pressure

Use this regulator only in low pressure, air spray sys-

tems.

NEVER

exceed the 250 psi (18 bar)

MAXIMUM

INLET PRESSURE

of this regulator. DO NOT exceed

the maximum working pressure of any component or

accessory

used in your system.



TYPICAL INSTALLATION

Fig

01584

KEY

AFluid

Supply Line

Regulator Inlet Ball V

alve

Fluid Regulator

Regulator Outlet Ball V

alve

Fluid Hose

FSpray Gun

Fluid Return Line

HBack Pressure Valve

Air Regulator

Air Filter

INSTALLATION

NOTE:

Reference numbers and letters in parentheses

the text refer to the numbers and letters in the figure

drawings

and parts drawing.

Before Installing the Fluid Regulator

1. Determine

the

placement of the fluid regulator in your

system. install it as close as possible to the spray

gun/dispensing valve (F) for easy operator control.

See

Fig 1.

2. Install

a ball valve at the inlet (B) and outlet (D) of

the

regulator

for

cleaning.

3. Install

temporary plumbing between the ball valves.

4. Thoroughly flush the system to remove metal chips

and

other contaminants and to check for leaks.

CAUTION

1. To avoid contaminants clogging or damaging

the regulator, the new system must be

cleaned and tested thoroughly before

admitting

paint to the regulator

2. Do

not pressure test the regulator with air;

use

solvent.

Air may cause leaks between the fluid

seals that result in fluid leaks during normal

operation. If the rest of the system must be

pressure

tested with air

, bypass the

regulator

during

the test.

Installing the Fluid Regulator

1. Remove the temporary plumbing and install one

regulator

dimensions.

The

regulators should be mounted in

a vertical posi

tion,

as shown above, for the best flow and minimum

pigment

settling and

so the gauge can be easily read.

2. Connect

the fluid supply line (A) to the regulator

’

s 3/8

npt(f) swivel inlet. The swivel-type inlet can be con-

nected

to either a vertical or horizontal supply line.

3. Connect the fluid hose (E) between the spray gun

and

one of the two regulator outlets.

allow either vertical or horizontal spray gun hose

connection, the regulator has one 3/8 npsm(f) verti

cal

outlet and one (alternate plugged) 3/8 npt(f) hori

zontal

outlet. Choose the outlet most convenient for

your

system.

4. Put sealer on threaded connections, except on

swivel

unions as it interferes with the swivel action.

5. Flush and test the entire system. Be sure to follow

the CAUTION at left and the flushing procedure on

page

   

OPERATION

CAUTION

Do not exceed the regulated pressure

specification of your regulator. Pressures higher

than

specified could damage the gauge.

Regulating Fluid Pressure

1. Before opening the fluid ball valve or starting the

pump,

insert the hex end of the regulator key (27) into

the

adjusting screw (9) and turn it counterclockwise,

all the way, to relieve the spring tension. See Fig 2,

Regulating Position.

2. Start

the pump and open the fluid ball valve (B) to ad

mit

fluid to the regulator inlet. See Fig 1.

3. Turn the key clockwise until the desired fluid pres-

sure

shows on the regulator gauge.

Fig 2 01585

Bypass Position Regulating Position

27-A27-B

KEY

27-A Hex

Key with threaded end inserted

27-B

Hex Key with hex end inserted

Flushing Procedure

1. Flush the regulator with a compatible solvent when

the

rest of the system is flushed.

2. Shut

f the supply pump and relieve fluid pressure in

the

system by

opening the back pressure valve (H) or

other

bypass valve. See Fig 1.

3. Screw

the threaded end of the adjusting key (27), as

far as possible into the regulator cap to open the

regulator

valve. See Fig 2,

Bypass Position

4. Flush until thoroughly clean. Always use the lowest

possible

pressure when flushing.

5. After

flushing,

remove the adjusting key

Do not use

the threaded end of the key to adjust pressure.

307-1345

TROUBLESHOOTING

CHART

WARNING

Pressure

Relief Procedure

reduce the risk of serious

bodily injury

, including

fluid splashing in the eyes or on the skin, before

servicing the regulator, always close the fluid

shut-off valve and relieve fluid pressure

downstream

of the regulator

NOTES:

1. Check all possible remedies in the Troubleshooting

Chart

before disassembling the regulator

2. Reference

numbers in parentheses in the chart refer

the numbers in the figure drawings and parts draw

ing. See the SERVICE Section to repair the regula-

tor.

Damaged diaphragm (26).

Replace diaphragm.

Broken spring (14)

Replace spring.

Loose cap (19).

ighten screws (1).

orn or damaged gasket (25).

Replace gasket.

Worn or damaged diaphragm (26).

Replace diaphragm.

Fluid flow shut-of

f downstream of

Open fluid flow downstream.

fluid regulator

Loose cap (19).

ighten screws (1).

orn or damaged gasket (25).

Replace gasket.

Worn or damaged diaphragm (26).

Replace diaphragm.

Empty/clogged supply line Fill/flush supply line.

Clogged air spray gun or fluid

Replace, see gun or valve manual

dispensing valve.

for service instruction.

Using regulator beyond its rated flow Install additional regulators.

capacity

, see back cover

Loose cap (19).

ighten screws (1).

orn or damaged gasket (25).

Replace gasket.

Clogged supply line

Flush supply line.

Clogged air spray gun or fluid

Replace, see gun or valve manual

dispensing valve.

for service instruction.

PROBLEM: CAUSE SOLUTION

No pressure regulation

Fluid leaks from under

housing (1)

Pressure creeps above

setting

Pressure drops below

setting

6   307-134

SERVICE

Disassembly

1. Follow

the

Pressure Relief Procedure W

arning

page

2 before servicing the regulator

Remove the regulator from the system.

Using the hex end of the key (27) turn the adjusting

screw (9) all the way counterclockwise to relieve

spring

tension. See Fig 2,

Regulating Position.

Remove the adapter nut (15). See Fig 3.

Unscrew the valve stem (28) with the key (27).

6. Remove the screws (1), cap (19), adjusting screw

(9),

and spring (14).

7. Lift the diaphragm (26) and hanger (21) assembly

from the housing; do not disassemble the parts

unless

they are damaged.

8. Unscrew the valve seat (30) with a 9/16 in. socket

wrench.

9. Thoroughly clean all parts with compatible solvent

and inspect for wear or damage. Replace all parts

that

appear to be worn or damaged.

CAUTION

Use special care when handling the valve stem

(28) and seat (30) to avoid damaging the hard

carbide

parts.

Assembly CAUTION

When assembling the diaphragm and hanger, be

sure

all surfaces are clean and smooth. Any dirt or

roughness

could damage the diaphragm.

NOTE:

Follow the assembly notes in Fig 3.

1. Install the valve seat (30) and washer (10). Torque

the

valve seat to 70–80 in-lb (7.9–9.0 N

Sm).

2. If

the diaphragm (26) and hanger

(21) assembly was

disassembled, be sure to correctly align the hanger

(21), gaskets (24 & 25), diaphragm (26), and plate

(13)

as shown in Fig 3.

Apply

anaerobic pipe sealant to the plate screws (5)

threads and torque them to 30–35 in-lb (3.4–4.0

NSm).

3. Hold the hanger (21) and valve stem (28) in place

with

your finger so the valve stem is correctly aligned

with

the valve seat (30) and install the hanger in the

housing.

4. Turn the valve stem (28) until it is snug against the

seat (30), then back it off 3/4 turn to set the valve

clearance.

5. Assemble

the remaining parts.

a. When

installing the regulator cap (19), line up the

adjusting

nut tab (8) with the notch in the cap.

b. Torque

the screws (1) in the order shown in Fig 3

Bottom

iew

, to 125 in-lb (14 N

m) three times,

consecutively, to compensate for diaphragm

relaxation.

c. Apply TFE sealant tape to the adapter nut (15)

threads

and torque it to 30–35 ft-lb

40.50–47.25

NSm).



SERVICE

BOTTOM

VIEW

Fig 3

01588

NOTE:

Numbers indicate tight

ening sequence.

NOTES:

Apply lubricant

Apply TFE Sealant T

ape to threads

Torque to 125 in-lb (14 Nm) three times, consecu-

tively,

in order shown in

BOTTOM VIEW

Apply anaerobic pipe sealant

(white)

to threads

orque to 30–35 in-lb (3.4–4.0 N

Sm)

orque to 70–80 in-lb (7.9–9.0 N

Sm)

orque to 30–35 in-lb (40.50–47.25 N

Sm)

Turn

valve stem snugly against the seat, then back it

off

3/4 turn

TFE

side down

12*

26*

24*

25*

21*

*28

*10

30*

22*

01586

8   307-134

PARTS

DRA

WING

01588

12*

26*

24*

25*

21*

*28

*10

30*

22*

307-1349

PARTS LIST

REF

NO. P

ART NO.

DESCRIPTION QTY

1 101–682 SCREW

, soc hd cap; 1/4-20 x 5/8”

2 101–748

PLUG, pipe; soc hd; 3/8 npt

3 101–971 W

ASHER, thrust

4 101–972 BEARING 1

5 103–962 SCREW

, pan hd mach;

no. 10-32 x 1/4”

8 161–349 NUT

, adjusting

9 164–863 SCREW

, adjusting

10* 166–964 W

ASHER, non-metallic

11 187–877

TUBE, gauge mounting

12* 171–111 SEAL 4

13 171–119 PLA

TE, diaphragm

14 171–186

SPRING, compression

15 171–190 NUT

, adapter

16 171–191

HOUSING, fluid regulator

17 171–192

GUIDE, spring

18 171–193 W

ASHER, plain

19 171–194 CAP

, fluid regulator

20 171–195

NIPPLE; 3/8 npsm x 3/8 npt

21* 171–197 HANGER 1

22* 171–198 GASKET 1

23* 171–200

GAUGE; 0-100 psi (0-7 bar) range

24* 171–913 GASKET

; cellulose fibre

25* 171–912 GASKET

; cellulose fibre

26* 172–194

DIAPHRAGM;

PTFE face

27 204–522 KEY

, regulating

28* 205–183

STEM, valve

29 209–029

UNION, 45

swivel; 3/8 npt(m x f)

30 212–030 SEAT

, valve

* Recommended “tool box” spare parts. Keep on hand to

reduce

down time.

ACCESSORIES

Accessories

must be purchased separately

Use only

GENUINE GRACO P

ARTS AND ACCESSORIES.

BALL

ALVE 208–937

500

psi (35 bar) MAXIMUM WORKING PRESSURE

Stainless steel fluid shut-of

f valve

3/8 npsm(m) x 3/8 npt(f)

COUPLER STEM 208–087

200

psi (14 bar) MAXIMUM WORKING PRESSURE

Connects gun to circulating adapter

, Stainless steel

CIRCULATING ADAPTER 210–017

200

psi (14 bar) MAXIMUM WORKING PRESSURE

Connects fluid line to gun and circulates fluid,

Stainless steel

HOSE COUPLINGS

With

spring guard

103–990

1/4 ID hose x 1/4 npsm(f)

103–991

1/4 ID hose x 3/8 npsm(f)

   

DIMENSIONAL

DRA

WING

3/8

npt INLET

3.875”

(85.6 mm)

DIA.

3/8 npsm OUTLET

9.75”

(248 mm)

01587

5.50”

(140 mm)

0.875”

(22.2 mm)

3/8 npt

ALTERNATE

OUTLET

MANUAL

CHANGE SUMMAR

This

manual was changed from Rev B to Rev C to change

the

torque note on the cap

screw

, part no. 101–682 (item

in the parts list)

and to change the gauge mounting tube

(item

1) part no. from 170–745 to 187–877.

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