Graco G1200 Instructions-parts List Manual

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INSTRUCTIONS–P

This manual contains IMPORT

ARNINGS AND INSTRUCTIONS

READ AND RET

AIN FOR REFERENCE

ARTS LIST

ANT

Model G1200

HIGH EFFICIENCY

308–008

Rev D

Supersedes

LOW PRESSURE

HVLP

100

psi (7 bar) MAXIMUM WORKING FLUID PRESSURE

15 psi (1 bar) MAXIMUM WORKING AIR PRESSURE

See the Selection Chart on page 4 for complete spray gun

assembly ordering numbers and descriptions.

Warnings 2.

Typical Installation 3.

Selection

Installation 7

Operation 8–9

Maintenance 10

Troubleshooting

Service 12–14

Air Flow 15.

Parts

Drawing

Parts List 17.

How

to Order Replacement Parts

Accessories 18–19

Technical

Warranty Back

SPRA

Y GUN

TABLE OF CONTENTS

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Charts

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

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

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Data

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Chart

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

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Back Cover

Cover

4–6.

11.

16.

17.



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

 COPYRIGHT

1990 GRACO INC.



WARNINGS

FOR PROFESSIONAL USE ONLY. OBSERVE ALL WARNINGS.

Read and understand all instruction manuals, tags,

and warning labels before operating equipment.

EQUIPMENT MISUSE HAZARD

General

Any as chemicals and fluids, or using worn or damaged parts, can cause them to rupture and result in serious bodily injury,

NEVER point the spray gun at anyone or at any part of the zle.

ALWAYS before any

NEVER try to stop or deflect leaks with your hand or body.

NEVER so

CHECK all spray equipment regularly and repair or replace

System Pressure

This gun has a

SURE ING PRESSURE

maximum ponent

Safety

misuse of the

over

pressurizing, modifying parts, using incompatible

fire, explosion or property damage.

body

. NEVER put hand or fingers over the spray noz

follow the

cleaning or removing

system equipment.

alter or modify any part of this equipment; doing

could cause it to malfunction.

worn or damaged parts immediately

spray equipment or accessories, such

Pressure Relief Procedure

the fluid nozzle or servicing

MAXIMUM FLUID WORKING PRES-

of 100 psi (7 bar) and a

of 15 psi (1 bar). Never exceed the

working pressure

or accessory used in the system.

MAXIMUM AIR WORK-

of the gun or any other com

, at

right,

Fluid Compatibility

BE SURE all fluids and solvents used are chemically compatible NICAL DATA on the back cover . Always read the fluid and solvent manufacturer ’s literature before using the fluid

Methylene

cleaning solvent with this gun or any other device with

nylon or parts.

Pressure Relief Procedure

To reduce the risk of serious bodily injury , including splashing parts, system, system, when installing, cleaning or changing fluid nozzles,

1. T

2. Trigger the gun into a grounded metal waste con-

with the “W

or solvent in this gun.

Chloride

aluminum components as it can damage these

in the eyes or on the skin or injury from moving

always follow this procedure when shutting off the

when checking or servicing

and whenever you stop spraying.

urn of

f the air and fluid supply to the gun.

tainer

to relieve air and fluid pressure.

etted Parts” shown in the

is not recommended as a flushing or

any part of the spray

TECH-

HOSE SAFETY

TIGHTEN

NEVER use a damaged hose. Before each use, check the damage or movement of the hose couplings. If any of these

all fluid connections securely before each use.

entire hose for cuts, leaks, abrasion, bulging cover

conditions exist, replace the hose immediately

, or

HANDLE AND ROUTE HOSES CAREFULL Y. Do not

on hoses to move equipment. Do not use fluids or sol

pull vents which are not compatible with the inner tube and cover

of the hose.

IMPORTANT

United

States Government safety standards have been adopted under the Occupational Safety and Health Act. These stan

dards––particularly the General Standards, Part 1910 and the Construction Standards, Part 1926––should be consulted.

 

Fluid

Inlet

3/8 npsm

(R3/8–19)

MODEL G1200 SPRA

Y GUN

(See Chart, page 4)

TYPICAL INSTALLATION

1500

System 223–293

3/8 npt(m)

System air inlet

1/2 npt(f) Filter inlet & outlet

Air

Filter 106–149

(See ACCESSORIES)

3/4–11.5 NH* System air outlet

Quick-

Disconnect

Gun Air Hose

Connection

3/4–11.5 NH*

Swivel Fitting

*NH – standard garden hose fitting

Flexible

Hose

(See ACCESSORIES)

The Model G1200 High Efficiency Low Pressure Spray Gun was designed to produce the highest quality finish with

today’

organic

s fluids as well as the the Low V

compound)

fluids of tomorrow

.O.C.

(volatile

This spray gun can spray most coatings or finishes currently

being used

for automotive refinish, industrial, aero space, marine, wood, plastic and architectural applications,

while easily operating from any paint delivery sys tem, including pressure pots of any size, or remote pumps

The

for production line operation.

Model G1200 Spray Gun

typically utilizes 10 psi (0.7 bar) air pressure with high air volume to produce high quality

paint finishes.

One

air source is the High Ef

ficiency Low Pressure 1500

System. This system accurately converts standard air

Air Pressure Relief V

(Set at 15 psi [1.05 bar])

3/4”

ID Air Hose

(See ACCESSORIES)

line

pressure down to the 10 psi (0.7 bar) required to all new regulations. Another air source is the High Efficiency Low pressure 8000 System. This system is a stand-alone plying

NOTE: Although

powered air supply

, which is

capable of sup

full, consistent air pressure to four guns.

the 1500 and 8000 Systems can have

an output air pressure of 15 psi (1.05 bar), for

Installation

operation,10 psi (0.7 bar) or lower output

proper air

pressure is recommended.

of one of the Air Hose Assemblies listed in the ACCESSORIES section is required to minimize the air pressure drop in the hose while still maintaining good hose flexibility. This combination produces the best atomization

with high transfer ef

ficiency.

alve

meet

308-0083

SELECTION

CHARTS

CHART 1: GUN ASSEMBLIES AVAILABLE

The following complete gun assemblies are valves.

standard non-bleeder-type guns

Includes:

Complete

Gun Assy.

Part No.

223–252 223–300 223–232 0.055”

223–253 223–300 223–233 0.070”

223–254 223–300 223–234 0.086”

The

following complete gun assemblies are Drawing the

and List, pages 12 and 13). The bleeder-type gun allows air to bleed through the gun at all

trigger position.

Gun Body

Assy.

Part No.

Needle/Nozzle/Air Cap

Kit Part No.

bleeder-type guns

, which include the Air V

, with trigger-actuated air shut-of f

Orifice Size

(1.397 mm)

(1.778 mm)

(2.184 mm)

Material Usage

(See

TERMS below)

Light to Medium Fluids or Low

Fluid

Flow (5–8 oz/min)

Medium to Heavy Fluids or Medium oz/min)

Heavy Fluids or Medium Fluid

alve Filler 187–137 (see Parts

Fluid Flow (6–10

Flow (6–10 oz/min)

times, regardless of

Includes:

Complete

Bleeder

Gun Assy.

Part No.

224–609 224–606 223–232 0.055”

224–610 224–606 223–233 0.070”

224–611 224–606 223–234 0.086”

Gun Body

Assy.

Part No.

Needle/Nozzle/Air Cap

Kit Part No.

TERMS:

Light Fluid:

Medium Fluid:

Heavy Fluid:

15 to 20 seconds (No. 2 Zahn cup) -- Auto, Furniture, Appliances, Fine Finish Metallics, T

20 to 25 seconds (No. 2 Zahn cup) -- Contact Adhesive, Latex, Maintenance Paints, T

+25 seconds (No. 2 Zahn cup) -- 2.8 V High-solid Polyurethanes, Heavy W

extures, Primers, Epoxies, V

op Coats, Lacquer

, Enamel Primer

inyls, High Flow High V

olatile Organic Compounds,

aterborne Enamels

Orifice Size

(1.397 mm)

(1.778 mm)

(2.184 mm)

iscosity.

Material Usage

(See

TERMS below)

Light to Medium Fluids or Low

Fluid

Flow (5–8 oz/min)

Medium to Heavy Fluids or Medium oz/min)

Heavy Fluids or Medium Fluid

Fluid Flow (6–10

Flow (6–10 oz/min)

4 308-008

SELECTION

CHARTS

SELECTING THE PROPER NEEDLE/NOZZLE/AIR CAP SET

The High Efficiency Low Pressure Spray Gun’s needle/ nozzle sets range in size to provide dif ferent fluid flow rates.

Chart 2 shows the recommended combinations of

needle/nozzle

Select

from Charts 2, 3, and 4, using the following

kits and air caps.

guide

lines.

a general guideline,

the

required flow with the needle fully triggered at the low

est

fluid pressure.

For low flow rates or light viscosity fluid,

smaller

For

nozzle

Some one

nozzle sizes.

high flow rates or high viscosity fluid,

sizes.

applications may benefit by using an air cap that is

size larger then the needle/nozzle size that is being

used. In certain applications, this

use the fluid nozzle that will

select the

select the larger

may improve atomiza

give

tion, keep the air cap cleaner, and will decrease the pat

size. It will increase air flow

tern pressure

at the air cap.

, but also

will decrease air

Using an air cap size that is smaller than the nozzle/

size

needle

is not

recommended.

NOTE: To help select the proper needle/nozzle size, a

fluid

pressure gauge may be connected rarily to the gun fluid inlet to determine the fluid pressure.

Selection Problems and Solutions

PROBLEM POSSIBLE

Fluid pressure high (greater than 10 psi [0.7 bar]) with gun triggered

Using a low pressure setting, the fluid flow is too high, making it necessary to restrict needle travel to reduce fluid flow

Fluid system will not operate at low enough fluid pres sure [below 10 psi (0.7 bar)]

is too

CAUSE

Using set with too small orifice

Using set with too large orifice

There’

s no fluid regulator or air regulator is not sensitive enough

SOLUTION

Use needle/ nozzle/air cap set with larger orifice

Use needle/ nozzle/air cap set with smaller orifice

Add low pres sure fluid regu lator or add more sensitive air regulator on pressure pot

tempo

CHART 2: NEEDLE/NOZZLE/AIR CAP KIT

Includes:

Standard Plastic

Needle/Nozzle/Air Cap

Kit Part No.

223–230 223–240 185–720 0.030” (0.762 mm)

223–231 223–241 185–721 0.042” (1.067 mm)

223–232 223–242 185–722 0.055” (1.397 mm)

223–233 223–243 185–723 0.070” (1.778 mm)

223–234 223–244 185–724 0.086” (2.184 mm)

223–235 223–245 185–725 0.110” (2.794 mm)

223–236 223–246 185–726 0.125” (3.175 mm)

*Approximate fan width for all air cap sizes 9 to 12 in. (229 to 305 mm).

Needle & SST

Nozzle Kit Part No.

Air Cap* Part No.

Charts

3 and 4 are on the next page.

Orifice Size

308-0085

SELECTION

CHARTS

CHART 3: STANDARD NEEDLE/NOZZLE KIT

CHART 4:

OPTIONAL SST

MATCHED SET

Standard Plastic

Needle & SST

Nozzle Kit Part No.

223–240 185–700 185–710**

223–241 185–701 185–711

223–242 185–702 185–712

223–243 185–703 185–713

223–244 185–704 185–714

223–245 185–705 185–715

223–246 185–706 185–716

SST Fluid

Nozzle

Part No.

Includes:

Standard Plastic

Fluid Needle

Part No.

Orifice Size

0.030”

(0.762 mm)

0.042”

(1.067 mm)

0.055”

(1.397 mm)

0.070”

(1.778 mm)

0.086”

(2.184 mm)

0.110”

(2.794 mm)

0.125”

(3.175 mm)

Optional SST

Needle/Nozzle

Matched Set

Part No.

223–286

223–287

223–288

223–289

223–290

223–291

223–292

**Non-feathering

6 308-008

Ventilate the Spray Booth

WARNING

To prevent hazardous concentrations of toxic and/or

flammable vapors, spray only in a properly

ventilated

gun unless ventilation fans are operating.

Check and follow all of the National, State and Local codes regarding air exhaust velocity requirements.

Check

spray booth. Never operate the spray

and follow all local safety and fire codes.

Connect the Air Line

1. Connect air hose and the gun’ s quick-disconnect air fitting. Refer

the flexible air hose

to the System Drawing on page 3.

between the atomizing

INSTALLATION

If using the High Efficiency Low Pressure Model 1500 Air Supply System,

separator (Part No. 106–149) on the air line to ensure ture can ruin the appearance of your finished workpiece.

Connect the Fluid Line

1. Before connecting the fluid line, blow it out with air and flush it with solvent. Use solvent which is compatible

2. Install pressure

3. Connect the fluid line to the gun fluid inlet (3/8–18 npsm

install an air and water

a dry

, clean air supply to the gun.

See ACCESSORIES.

with the fluid to be sprayed.

a fluid regulator on the fluid line to control fluid

to the gun.

[R 3/8–19] compound thread).

Dirt and mois

Air Cap

Fluid

Needle

Fluid Nozzle

Fluid Inlet

Pattern Adjusting V

Fluid Adjusting Knob

alve

Fig 1

Air Inlet

308-0087

OPERATION

WARNING

Pressure Relief Procedure

reduce the risk splashing in the eyes or on the skin or injury from moving parts, always follow this procedure when shutting any part of the spray system, when installing, cleaning or changing fluid nozzles, and whenever you

1. T

2. Trigger the gun into a grounded metal waste

f the system, when

stop spraying.

urn of

container

of serious bodily injury

checking or servicing

f the air and fluid supply to the gun.

to relieve fluid pressure.

, including

Filter the Fluid

Filter the fluid to remove coarse particles and sediment which

could clog the spray nozzle.

Select a Needle/Nozzle Set and Air Cap

Check the viscosity of your paint. Install the proper needle/nozzle the

charts on pages 5 and 6.

Trigger the gun whenever you tighten or remove the nozzle. This keeps the needle seat away from the nozzle seating surface and prevents the seat from

set and air cap combination, selected from

CAUTION

being scratched.

2. The

NOTE: The

3. Adjust

4. T

spray gun has a 15 psi (1 bar) maximum recom mended inlet air pressure. Using the air pressure regulator, set the air line pressure according to the fluid

manufacturer’s recommendations for a high vol ume,

low pressure application. Local laws may limit

the air line maximum pressure to 10 psi (0.7 bar).

H.E.L.P

(0.7

bar) air pressure with 100 psi (7 bar) air pres sure at inlet. The pressure can be reduced by adjusting

the pattern size by turning the pattern adjust

ing

valve

IN (clockwise)

o adjust the volume of fluid output:

a. Turn the fluid adjusting knob out

wise)

felt. Refer to Fig 1.

b. Then

pump until the desired fluid flow is obtained.

DO NOT

mum fluid pressure. Higher pressures can cause parts property

exceed the gun’ s 100 psi (7 bar) maxi-

to rupture and result in serious bodily injury

damage.

. 1500 System is factory set to 10 psi

the air supply adjustment knobs.

OUT (counterclockwise)

for a narrower pattern.

for a wider pattern

(counterclock-

until no restriction of the trigger

adjust the air pressure at the pressure

WARNING

movement

pot

Position the Air Cap

Rotate

the air cap as needed to achieve the desired spray pattern direction. See Fig 2. T o create a round pattern, turn

the pattern air of

Fig

Vertical Pattern

Horizontal Pattern

Adjust the Spray Pattern

Follow these steps to establish the correct fluid flow air

flow:

1. Adjust the fluid flow by using the fluid pressure

regulator

installed in the fluid line.

and

c. For

Restricting the trigger and fluid needle travel by continuously turned sive wear on the fluid needle and wear on the trig ger/air

For sure pot or pump or use a dif ferent size needle/ nozzle set and air cap combination. See the SELECTION

NOTE: If

d. The fluid flow can be feathered by partially trig-

For continuous spraying,

valve in the full open position. This provides maximum fluid

6. Test the test

final adjustment, turn the fluid adjusting

(clockwise)

put

and obtain the desired results.

(clockwise),

valve shaft interface.

the best results, adjust the fluid flow at the pres

the fluid adjusting valve is turned in all the way

the

gun will emit only air

gering the fluid needle, except when using the smallest needle/nozzle/air cap size. See the charts

on pages 5 and 6.

fluid flow and

nozzle.

the spray pattern and atomization while

gun about 6 to 8 inches (150 to 200 mm) from the

piece. Adjust as needed.

to reduce the volume of fluid out-

CAUTION

spraying

CHAR

with the fluid adjusting knob

will

cause accelerated abra

TS on pages 5 and 6.

leave the fluid adjusting

prevents premature wear on the

knob

holding

 

OPERATION

Apply the Fluid

1. To

achieve the best

the

gun perpendicular to the surface and maintain a

consistent distance of approximately 6 to 8 inches

to 200 mm) from the object being sprayed. See

(150 Fig

2. To obtain an even finish, use smooth, even strokes across

the object being sprayed with 50% overlap.

3. Paint using parallel strokes. This spray gun applies all

coatings evenly without cross coating.

results when applying fluid, keep

NOTE: To

at 110–367 in the gun’ s quick disconnect. See ACCESSORIES.

If the one-way shut-of f valve is installed in the gun sure of

eliminate the need to shut of

the air supply

line, allow for a 0.5 psi (0.035 bar) air

drop to the gun, due to increased restriction

the air line.

90

, install One-way Shut-of

6–8

in.

(150–200 mm)

f the air pressure

f V

pres

alve

Fig

WRONG RIGHT



MAINTENANCE

Daily Care and Cleaning

WARNING

Pressure

1. T

2. Trigger the gun into a grounded metal waste

Clean all parts with a solvent compatible with the fluid parts.

Methylene

ing or cleaning solvent with this gun or any other device damage

To avoid getting solvent in the gun air passages, NEVER

Relief Procedure

of serious bodily injury

f the system, when

stop spraying.

urn of

f the air and fluid supply to the gun.

container

being sprayed and compatible with gun wetted

See the Technical Data

with nylon or aluminum components as it can

to relieve fluid pressure.

CAUTION

Chloride

these parts.

immerse the gun in solvent.

is not recommended as a flush

checking or servicing

on the back page.

, including

3. Trigger the gun and remove the air cap and fluid nozzle

from the gun. Soak them in solvent and scrub

them with the fine, bristled brush. See ACCESSO-

to order brush.

RIES

4. To

clean out air as a toothpick, to avoid damaging critical surfaces. Clean the air cap and fluid nozzle daily , minimum. (Some

applications require more frequent cleaning.)

NOTE: If the fluid shaft is removed from the gun with

dried paint (fluid) still on the needle tip end, replace

5. Lubricate marked in Fig 4. Periodically lubricate the fluid needle spring (16) with lubricant 1 11–265 (see ACCESSORIES to order).

cap holes, use a soft implement, such

the fluid seal as instructed on page 10.

the gun daily

, after cleaning it, at the points

Lubricate

Hold the front of the gun down when brushing it clean

with solvent to prevent dirty solvent from get

into the air passages.

ting

1. After

2. Wipe the outside of the gun clean with a solvent

operation, flush the gun with a compatible sol

vent

until all traces of paint are removed from the gun passages. Follow the Pressure Relief Procedure Warning,

dampened

Trigger nozzle. This keeps the needle seat away from the nozzle seating surface and prevents the seat from being

above, before proceeding.

cloth.

CAUTION

the gun whenever you tighten or remove the

scratched.

Lubricate

Fig 4

10 308-008

TROUBLESHOOTING

WARNING

Pressure

To reduce the risk of serious bodily injury , including splashing ing off

the system, when checking or servicing any part of the ing

PROBLEM CAUSE SOLUTION

Relief Procedure

in the eyes or on the

parts, always follow this procedure when shutting

spray system, when installing, cleaning or chang fluid nozzles, and whenever you stop spraying.

skin or injury from mov

1. T

2. Trigger

CHART

urn of

f the air and fluid supply to the gun.

the gun into a grounded metal waste con

to relieve fluid pressure.

tainer

Whistling sound coming from gun while

spraying

Fluid flow is fluttering while spraying

Fluid flow fades while spraying high viscosity

No round pattern control

Pattern becomes of on ends

fluids

f-set or heavy

Pattern valve vent hole position

Fluid nozzle not tight enough

Fluid filter clogged

Fluid adjusting knob not properly set

4. Baf

Fluid pressure too low, causing fluid to stop or reduce when gun is elevated

Baf or damaged

fle (item 1

or damaged

fle (item 1

Fluid nozzle is over tightened

1) installed wrong

Turn

pattern adjusting knob slightly

either

direction

1. Tighten fluid nozzle to 70–100 in-lbs (8–1

Check fluid filter

3. Adjust less feathering or use a larger size

4. Check if baf fle protrusion is properly inserted into gun insert hole; see page 13. Replace baffle

Raise

fluid pressure at source or use a smaller fluid nozzle with higher air pressure

Check if baffle protrusion is properly inserted into gun insert hole; see page

13. Replace baf

1. DO NOT exceed 70–100 in-lbs

(8–11 N m) torque. Replace nozzle

1 N

m)

the fluid adjusting knob

nozzle

if damaged

on pressure pot

fle if damaged

if damaged

for

Fluid system will not operate at low enough fluid pressure [below 10 psi (0.7 bar)]

Air cap too tight

Air cap holes plugged

There’s lator

no fluid regulator or air

is not sensitive enough

regu

Loosen air cap

3. Clean air cap holes with non-

metallic

Add low pressure fluid regulator or add more sensitive air regulator on pressure

item such

pot

as a toothpick

308-00811

Air Valve Service

When

the air valve is closed, a maximum of 0.5 scfm air

flow

is allowed to pass around the air valve during normal operation. If an excessive amount of air is passing through the air valve, service the valve as instructed below; refer to Fig 7.

SERVICE

1. Follow

NOTE:

the

Pressure Relief Procedure W

11 to relieve fluid pressure.

page

Removing the trigger will ease disassembly

arning

2. Remove the air cap ring (12), air cap (17), and fluid

nozzle (18).

3. Remove the fluid adjusting nut (8) and spring (16);

knob (9) will

the spring (15),

guns only

come out with it. Remove the second

included with standard non-bleeder

4. Hold the fluid shaft (7b) while removing the fluid

needle (19). Pull the fluid shaft out the back of the gun.

5. Push

the air valve (14) or air valve filler (25) out the

back of the gun.

6. Clean

the parts and check them for damage or wear

Replace

as necessary

NOTE: If dried paint is found on the fluid shaft (7b),

replace the fluid seal (7g) as instructed on page 14.

Fig 5

4. Install the new air seal (14b) with its open end to the back of the gun body

wards

5. Align the flat on the cartridge (6) with the flat in the

gun

body

. See Fig 6.

6. Lightly lubricate the parts as indicated in Fig 7 and

reassemble

the gun.

0528

7. Lightly lubricate the fluid shaft (7b) and other parts as indicated in Fig 7 with lubricant 1 11–265 (see ACCESSORIES)

and reassemble the parts.

Air Valve Cartridge Removal

NOTE: The cartridge cannot be removed without dam-

aging the air seal (14b). Be sure to have a replacement

1. Follow steps 1 through 4 in Air V alve Service , above.

2. Push

the air valve (14a) or air valve filler (25) out the

back

of the gun.

3. Place the packing removal tool (7h) through the gun’s

trigger actuation area and against the air seal

(14b).

See Fig 5. Use a rubber mallet with the pack

removal tool to drive the cartridge (6) out the back

ing of

the gun.

air seal.

FLAT

Fig 6

0574

12 308-008

Lightly lubricate

SERVICE

orque to 70–100 in-lbs

(8–1

1 N

m).

orque to

30–40 in-lbs Be sure protrusion is properly inserted into gun

insert hole before

tightening nozzle.

(3.4–4.5 N

m)

Flat top of gun

U-cup spring

towards

front

gun

14b

Ref No. 14, Air V

alve

Includes items 14a & 14b

U-cup spring

towards back

of gun.

with standard

Not included

non-bleeder

guns

NOTE:

Lubricate parts as indicated in Fig 7 with lubricant 111–265. See ACCESSORIES to order.

Optional

towards

Gun Plate

orque to 25–35 in-lbs (2.8–4.0 N

13c

m)

Ref No. 7 Fluid Shaft Assembly

Includes items 7a–7i

14a

Lightly lubricate

Lightly

lubricate

shaft

Fig

strength adhesive.

orque to 70–100 in-lbs

Apply low

(8–1

1 N

m).

Not included with

bleeder guns

Lightly

lubricate

orque to 25–35 in-lbs

(2.8–4.0 N

m).

Lightly

lubricate

0590

308-00813

SERVICE

Fluid Seal Replacement

leakage occurs at the fluid seal area, the u-cup seal (7g) or fluid shaft (7b) may be damaged or worn. Service as instructed

NOTE: If the u-cup seal (7g) is removed, it MUST be

1. Follow

NOTE:

2. Remove the air cap ring (12), air cap (17), and fluid

3. Remove the fluid adjusting nut (8) and spring (16);

4. Hold the fluid shaft (7b) while removing the fluid

5. Insert

below; refer to Fig 7.

replaced.

the

Pressure Relief Procedure W

11 to relieve fluid pressure.

page

Removing the trigger will ease disassembly

arning

nozzle (18).

knob (9) will

the spring (15),

guns only

come out with it. Remove the second

included with standard non-bleeder

needle (19). Pull the fluid shaft out the back of the gun.

the

packing removal tool (7h) through the front of the gun and push on the u-cup seal (7g) until seal

and seal retainer (7f) are pressed out of the trig

ger

area. See Fig 8.

the

8. Install a new u-cup seal (7g) and seal retainer (7f) into

the gun insert, following the procedure below

a. Carefully

diameter end of the seal insertion tool (7i), with

place the u-cup seal (7g) into the small

the open end of the seal facing outward in the

See Fig 9.

tool.

Fig 9

b. Make

sure the cavity for the seal is clean of dried fluid. Place the seal insertion tool (7i) into the back of the gun insert. See Fig 10. Then force the seal down into the seal cavity , using the packing

removal tool (7h).

0531

Fig 8

0533

6. To ease installation of the u-cup seal (7g), remove the

trigger (3) and air valve (14) or air

valve filler (25).

7. Clean the parts. Check the fluid shaft (7b) for damage

or excessive wear

. Replace if necessary

. Lubri cate the parts indicated in Fig 7 with lubricant 111–265.

Fig 10

0532

c. Press the seal retainer (7f) in behind the u-cup

(7g) until a definite snap is felt.

seal

Reassemble the remaining parts.

14 308-008

AIR FLOW

STANDARD NON-BLEEDER GUNS

KEY

Fan

Open

Fan Closed

NOTE: T standard 3/4” dia., 25 1500

AIR FLOW (scfm)

02468101214

REGULATOR PRESSURE (psi)

ested with

ft (7.625

System

m) hose and

BLEEDER GUNS

KEY

Fan

Open

Fan Closed

NOTE: T standard 3/4” dia., 25 1500

AIR FLOW (scfm)

02468101214

REGULATOR PRESSURE (psi)

ested with

ft (7.625

System

m) hose and

308-00815

PARTS

DRA

WING

**23

22**

Ref

No. 14,

Air V

alve

Includes items 14a & 14b

7e*

Optional,

replace item 2

Ref

No. 7

Fluid Shaft Assembly

Includes items 7a–7i

13e

13d*

13c

13b*

13a

14b*

14a*

Not included

with standard

non-bleeder

guns

7d*

16 308-008

Not

included with

bleeder guns



PARTS LIST

PTFE

Standard Non-bleeder Guns

Part

Nos. 223–252, 223–253, 223–254

Includes items 1–24

REF NO. P

1 223–306 2 275–852 HOOK 1 3 185–761 4 185–746 5 203–953 SCREW

6 185–751 CAR 7 223–302

7a 224–849 S

7b SSSHAFT

7d* 110–404 SS 7e* 223–304 S

7f 275–847 SSRET 7g 110–400 SS

7h 179–803 SST 7i 187–349 SST 8 185–744 NUT 9 185–745 10 185–772 11 275–851 12 185–759 13 223–301 VAL

ART NO.

DESCRIPTION QTY

GUN BODY

TRIGGER, two-finger PIN, pivot; 10-24 UNC-2B

, lock; No. 10–24 UNC-2A

x 0.375 in.

TRIDGE, valve SHAFT ASSEMBLY, fluid Includes items 7a–7i

SHAFT RING Assembly Includes items 7b–7d

, fluid;

cannot order

separately

{SS

RING, retaining;

separately

RING, grip FLUID SEAL Assembly Includes items 7f–7i

AINER, seal; Delrin SEAL, u-cup; carbon graphite filled

r 1

OOL, packing removal OOL, seal insertion

, fluid adjusting KNOB, fluid adjusting FITTING, air inlet BAFFLE, pattern RING, air cap

VE ASSEMBLY, pattern

Includes items 13a–13e

cannot order

r 1

Bleeder Guns

Part

Nos. 224–609, 224–610, 224–61

Includes items 1–13, 14b, 16–25

REF NO. P

13a 185–748 SSCREW 13b* 168–110 S

13c 185–747 SNUT 13d* 105–456 S

13e 275–850 SVAL

14 223–303 VAL

14a 223–305 SVAL

14b* 110–405 S

15 110–401

16 110–402

1 1

21 275–853 PLA 1 1

22** 185–758

23** 106–456

1 1

24 110–365 1

25 187–137 1 1

*Recommended “tool box” replacement parts.

**Not intended to be removed.

ART NO.

DESCRIPTION QTY

, air adjustment

O-RING; V

itonr 1

, air adjusting

RING, retaining

VE, pattern

VE, air;

Includes items 14a & 14b

VE, shuttle;

guns only

SEAL, u-cup; carbon/graphite filled PTFE

SPRING, compression

non-bleeder

SPRING, compression; AIR CAP; See charts on pages 4–6 FLUID NOZZLE; See charts on pages 4–6 FLUID NEEDLE; See charts on pages 4–6

TE, gun;

o replace hook, item 2) FITTING, fluid O-RING; V

iton 1 FITTING, quick-disconnect FILLER, air valve;

bleeder

guns only

non-bleeder

guns only

1 1 1

1 1

HOW T

1. To be sure you receive the correct replacement parts, kits or accessories, always give all of the information requested in the chart

2. Check the

ref. no. when ordering.

Order all parts from your nearest Graco distributor

6 digit

Part

Number Qty

O ORDER REPLACEMENT P

below

the parts list to identify the correct

Part Description

ARTS

part number; do not use

{

Requires

factory tooling to install.

SERVICE INFORMATION

Added

Seal Insertion T Seal Assembly . Added Bleeder Gun Models to the manual.

Also completed a general

drawings.

ool 187–349 (item 7i) to the Fluid

update of the text and

308-00817

ACCESSORIES

H.E.L.P. AIR REGULATOR & GUN SYSTEMS

Wall-Mount

H.E.L.P. System

Part No.

224–074

224–075

224–076

224–078

224–079

224–080

Includes 25 ft (7.625 m) Atomizing Air Hose Assembly 223–265 and 5 ft (1.525 m) Flexible Air Hose Assembly 223–296.

Wall-Mount & Pressure Cup System

H.E.L.P. System

Part No.

224–089

Air Regulator & Gun System

G1200

Spray Gun

Part No.

223–251 0.042”

223–252 0.055”

223–253 0.070”

223–251 0.042”

223–252 0.055”

223–253 0.070”

Air Regulator

G1200 Gun

with Cup

Part No.

223–272 0.055”

Orifice

Size

(1.1

mm)

(1.4 mm)

(1.8 mm)

(1.1 mm)

(1.4 mm)

(1.8 mm)

, Gun

Orifice

Size

(1.4

mm)

Air Hose

Part No.

223–265

25’ (7.6 m)

223–265

25’ (7.6 m)

223–265

25’ (7.6 m)

223–274*

30’ (9.2 m)

223–274*

30’ (9.2 m)

223–274*

30’ (9.2 m)

Air Hose

Part No.

223–274*

30’ (9.2 m)

H.E.L.P.

1500 System

Part No.

223–293

wall-mount

223–293

wall-mount

223–293

wall-mount

223–293

wall-mount

223–293

wall-mount

223–293

wall-mount

H.E.L.P.

1500 System

Part No.

223–293

wall-mount

FOUR-FINGER TRIGGER CONVERSION KIT 185–762

For

changing from a standard two-finger trigger to a four-

finger trigger.

AIR PRESSURE VERIFICATION KIT 224–119

For

use in checking gun inlet air pressure at various sup

air pressures.

ply Assemble

the

quick-disconnect air fitting in the gun air inlet. T

the kit as shown in the drawing below

the air to the gun, then trigger the gun and read the resulting

air pressure.

NOTE: To be “HVLP compliant”, the atomizing inlet air

pressure

The air cap pressure will be slightly lower than the inlet air pressure reading [approximately 0.5 psi (0.3 bar)]

to the natural pressure drop in the gun air passages

due Gauge accuracy is +/– 2% over the middle half of the gauge scale, +/– 3% over the remainder of the gauge scale.

NOT to be used

for actual spraying.

. Install

urn on

must not exceed 10 psi (0.7 bar).

Includes 25 ft (7.625 m) Atomizing Air Hose Assembly 223–265 and 5 ft (1.525 m) Flexible Air Hose Assembly 223–296.

Belt-Mount

H.E.L.P. System

Part No.

224–084

224–085

224–086

Belt-Mount

Air Regulator & Gun System

G1200

Spray Gun

Part No.

223–251 0.042”

223–252 0.055”

223–253 0.070”

Orifice

(1.1

(1.4 mm)

(1.8 mm)

Air Regulator

Size

mm)

, Gun

Flex

Air Hose

Part No.

223–296

5’ (1.5 m)

223–296

5’ (1.5 m)

223–296

5’ (1.5 m)

H.E.L.P

1500 System

Part No.

223–285

belt-mount

223–285

belt-mount

223–285

belt-mount

& Pressure Cup System

H.E.L.P. System

Part No.

224–083

G1200 Gun

with Cup

Part No.

223–272 0.055”

Orifice

(1.4

Size

mm)

Flex

Air Hose

Part No.

223–296

5’ (1.5 m)

H.E.L.P.

1500 System

Part No.

223–285

belt-mount

CLEANING BRUSH 105–749

For

use in cleaning gun

PRESSURE CUP with Cover 214–627

qt (1.94 liter) capacity

, aluminum body

Includes air pressure regulator and gauge, 4 ft (1.2 m)

length air and fluid hose with 1/4 npsm(f) swivel ends, safety

relief valve, and rigid hook handle.

PRESSURE CUP with Cover 223–270

qt (0.95 liter) capacity Some assembly required. To connect the supply air to the pressure cup, you must replace the air inlet fitting supplied with the gun with air inlet fitting 185–760 (supplied

with the pressure cup).

, aluminum body

LUBRICANT 111–265

One 4 oz. (113 gr) tube sanitary (non-silicone) lubricant for

fluid packings and wear areas.

18 308-008

ACCESSORIES

Circulating Adapters

Coupler Stems

3/8 npsm

Stainless Steel Gun Mounted Fluid Regulators

Straight Adapters

3/8 npsm

1/4 npsm

Twist Lock

Models

Stainless Steel Models



These

208–087* 223–627*

1.0

223–621*

7.0 oz

214–018 223–624*

214–019 223–626*

Models are compatable with water-base fluids

Slip Ring

Union

Twist Lock

Adapter

208–085*

1.5 oz

208–082*

7.5 oz

208–250 223–625*

208–252 210–097

223–622*

7.0 oz

204–891* 223–628*

1.3 oz

223–623*

7.3 oz

FLUID HOSE ASSEMBLY 205–142

300

psi (21 bar) MAXIMUM WORKING PRESSURE

Nylon with neoprene cover , 0.375 in. (9.5 mm) ID, 3/8 npsm(fbe),

25 ft (7.6 m) long

FLEXIBLE AIR HOSE ASSEMBLY

psi (1 bar) MAXIMUM WORKING PRESSURE

0.62

in. (16 mm) ID, 3/4–1 female swivel fitting thread

(to gun quick-disconnect).

movement

of the spray gun.

223–295 223–296

3 ft (0.912 m) long 5 ft (1.525 m) long

1.5 NH (standard garden hose)

(to air hose

) and 3/4–1 1.5 male

Install for more flexible

ATOMIZING AIR HOSE ASSEMBLY

psi (1 bar) MAXIMUM WORKING PRESSURE

0.75

in. (19 mm) ID, 3/4–1 male

x female swivel fittings, natural-color

223–263 15 223–265

25 ft (7.625 m) long

1.5 NH (standard garden hose) polyurethane

ft (4.575 m) long

AIR HOSE COUPLING WASHER 110–366

Replacement hose.

washer for use in

female swivel end of air

FILLER AIR VALVE 187–137

Replaces

air valve and converts the gun to a bleeder gun.

ONE-WAY AIR SHUT-OFF VALVE 110–367

Install in standard quick disconnect (provided with flexible

air hose assy

disconnected.

.) to turn of

f air pressure when spray gun

AIR HOSE QUICK-DISCONNECT 110–365

Install

between gun air inlet fitting and air hose.

TWIN OUTPUT AIR ADAPTER 111–222

Allows

output of air to two guns from

a H.E.L.P

. 1500 System.

AIR FILTER & MOISTURE SEPARATOR 106–149

250 psi (17.5 bar) MAXIMUM WORKING PRESSURE

Removes compressed

moisture, oil, and other contaminants from the

air supply

. 1/2 npt(fbe)

308-00819

TECHNICAL

IMPORTANT

PHONE NUMBERS

Weight 17 Gun Maximum Working Fluid Pressure Maximum Working Air Pressure Air Fluid Wetted

Delrin

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

Length

Inlet

WARRANTY

Graco on of proven Graco’s

This misapplication, of Graco facture,

This tributor defective ment may

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

. . . .

. . . . . . .

3/4–1

. . . . . . .

3/8–18 npsm (R3/8–19) compound thrd.

. .

Parts



is a registered trademark of Company

the date of sale by an authorized Graco distributor to the original purchaser for use. As purchaser’s sole remedy for breach

this warranty

warranty does not cover

non–Graco component parts. Nor shall Graco be liable for malfunction, damage or wear caused by the incompatibility with

warranty is conditioned upon the prepaid

include the costs of parts, labor and transportation.

. . . . .

warrants all equipment manufactured by it and bearing

defective. This warranty

written recommendations.

equipment of structures, accessories, equipment or materials not supplied by Graco, or the improper design, manu

installation, operation or maintenance of structures, accessories, equipment or materials not supplied by Graco.

for verification of the claimed defect. If the claimed defect is verified, Graco will repair or replace free of charge any

parts. The equipment will be returned to the original purchaser transportation prepaid. If inspection of the equip

does not disclose any defect in material or workmanship, repairs will be made at a reasonable charge, which charges

1.5 NH (standard garden hose)

304 Stainless Steel, Delrin

THE

GRACO W

, Graco will, for a

abrasion, corrosion, inadequate or improper maintenance, negligence, accident, tampering, or substitution

period of twelve months from the date of sale, repair or replace any part of the equipment

applies only when the equipment is installed, operated and maintained in accordance with

, and Graco shall not be liable for, any malfunction, damage or wear caused by faulty installation,

oz. (475 g)

6.39 in. (163 mm) 100 psi (7 bar)

15 psi (1 bar)

.

ARRANTY AND DISCLAIMERS

return of the equipment claimed to be defective to an authorized Graco dis

PLACE AN ORDER

, contact your Graco distributor or call this number to identify the distributor closest to you:

FOR TECHNICAL ASSISTANCE

mation

or assistance regarding the application of Graco

equipment:

1–800–328–0211 T

1–800–543–0339 T

oll Free

, service repair infor-

oll Free

its name to be free from defects in material and workmanship

DISCLAIMERS AND LIMITATIONS

TERMS OF THIS W

THE OF ANY OTHER W RANTY PRODUCT SPECIAL GRACO’S MUST BE BROUGHT WITHIN TWO (2) YEARS OF THE DATE OF SALE.

EQUIPMENT NOT COVERED BY GRACO WARRANTY

GRACO TICULAR FACTURED

subject claim

OF FITNESS FOR A PARTICULAR PURPOSE, AND OF ANY NON–CONTRACTUAL LIABILITIES, INCLUDING

LIABILITIES, BASED ON NEGLIGENCE OR STRICT LIABILITY

OR CONSEQUENTIAL DAMAGES OR LOSS IS EXPRESSL

LIABILITY EXCEED THE AMOUNT OF THE PURCHASE

MAKES NO W

PURPOSE, WITH RESPECT T

BY GRACO.

to the warranty

for breach of these warranties.

ARRANTY CONSTITUTE PURCHASER’S SOLE AND EXCLUSIVE REMEDY AND ARE IN LIEU

ARRANTIES (EXPRESS OR IMPLIED), INCLUDING W

Y EXCLUDED AND DENIED. IN NO CASE SHALL

PRICE. ANY ACTION FOR BREACH OF W

ARRANTY

These items sold, but not

, if any

, AND DISCLAIMS ALL IMPLIED W

O ACCESSORIES, EQUIPMENT

, of their manufacturer

manufactured by Graco (such as electric motor

. Graco will provide purchaser with reasonable assistance in making any

ARRANTIES

, MA

TERIALS, OR COMPONENTS SOLD BUT NOT MANU

ARRANTY OF MERCHANT

. EVER

Y FORM OF LIABILITY FOR DIRECT

OF MERCHANT

ABILITY AND FITNESS FOR A P

, switches, hose, etc.) are

ABILITY OR W

ARRANTY

AR-

Factory

Branches:

Atlanta, Chicago, Dallas, Detroit, Los Angeles, W

Subsidiary and Affiliate Companies:

GRACO INC.P.O. BOX 1441

 

est Caldwell (N.J.)

Canada; England; Switzerland; France; Germany; Hong Kong; Japan;

Korea

PRINTED

MINNEAPOLIS, MN

IN U.S.A. 308–008 3/90 Revised 7/91

55440–1441

Graco G1200 Instructions-parts List Manual

Specifications and Main Features

Frequently Asked Questions

User Manual