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For complete warranty information contact your Graco distributor, call Graco customer service: 1-800-690-2894 or visit our website: www.graco.com

All written and visual data contained in this document reflects the latest product information available at the time of publication. 

Graco reserves the right to make changes at any time without notice.

This manual contains English. MM 311861

Graco Headquarters: Minneapolis

International Offices: Belgium, China, Japan, Korea

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

Copyright 2007, Graco Inc. is registered to ISO 9001

www.graco.com

Revised 03/2009

Maintenance

Before performing any maintenance on gun, read all warnings 
on front cover of this manual and relieve pressure.

Cleaning/Replacing Filter (5)

A plugged filter reduces gun performance. Clean filter after 
each use.

1.

Relieve pressure. Set trigger lock (2).

2.

Disconnect fluid hose from gun at swivel (8).

3.

Disconnect trigger guard (19) from guard retainer (10).

4.

Unscrew handle (7) from gun (1). 

5.

Remove filter (5) through top of handle (7). 

6.

Inspect filter (5) for damage to the filter mesh. Replace the 
filter if the filter mesh has holes or voids.

7.

Clean filter (5). Use a soft brush to loosen and remove 
excess debris.

8.

Inspect handle bore (7) for damage. Replace the handle 
bore if it is corroded or pitted and check material for 
compatibility with aluminum.

9.

Insert clean filter (5) into handle (7).

10. Reattach handle (7) to gun (1). Tighten securely.
11. Reconnect trigger guard (19) to guard retainer (10).

Repair

Tools needed: 

• 8-inch adjustable wrench
• 1/4-inch nut driver

Replacing Needle

1.

Relieve pressure. Set trigger lock (2).

2.

Remove tip (26) and guard (25) from gun (1).

3.

Disconnect fluid hose from gun at swivel (8).

4.

Remove nut (17) and trigger pin (16).

5.

Unscrew diffuser (15a) from front of gun (1).

6.

Remove needle assembly (15b) through front of gun (1). 

7.

Use a soft brush to clean out internal passages of gun.

8.

Grease o-rings of new needle using a non-silicon grease.

9.

Guide new needle (15b) through front of gun (1) making 
sure the flat sides (a) of the needle assembly face the 
sides of gun housing.

10. Install diffuser (15a). Torque diffuser to 26-30 ft-lbs 

(35.25 - 43.38 N•m).

11. Replace pin (16) and nut (17).

Translated Manuals

Translated manuals can be requested through a distributor or 
at www.graco.com.

Technical Data

Failure to clean or replace the 
filter or damaged handle bore 
can result in serious injury.

16

17

a

ti8510b

15b

1

15a

Spanish - 312098

Estonian - 312277

French - 312099

Latvian - 312278

Dutch - 312265

Lithuanian - 312279

German - 312266

Polish - 312280

Italian - 312267

Hungarian - 312281

Turkish - 312268

Czech - 312282

Greek - 312269

Slovakian - 312283

Croatian - 312270

Slovenian - 312284

Portuguese - 312271

Romanian - 312285

Danish - 312272

Bulgarian - 312286

Finnish - 312273

Chinese - 312287

Swedish - 312274

Japanese - 312288

Norwegian - 312275

Korean - 312289

Russian - 312276

Maximum working pressure 

3600 psi (248 bar, 24.8 MPa)

Fluid orifice size

0.125 in. (3.18 mm)

Weight (with tip and guard)

22 oz. (630 g)

Inlet

1/4 npsm swivel

Maximum material temperature

120°F (49°C)

Wetted parts

Stainless steel, polyurethane, nylon, aluminum, tungsten carbide, solvent resistant elastomer, brass

Noise Level*

Sound power

87 dBa

Sound pressure

78 dBa

*Measured at 3.1 feet (1m) while spraying water-based paint, specific gravity 1.36, through a 517 tip at 3000 psi (207 bar, 20.7 MPa) per ISO 3744

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