Installation
10 309292S
Select a Fluid Nozzle and Air Cap
The gun is supplied with Part No. 197266 Nozzle and
24A376 Air Cap. If you require a different size, refer to
Table1 and Table 2 , and instruction manual 309419, or
consult with your Graco distributor. See Air Cap/Nozzle
Replacement on page 26.
A wide pattern kit (P/N 24A431) is included with the gun
and if installed, will provide more fan air for wider spray
patterns. (If pattern becomes split, use the fan air valve
to reduce the amount of fan air.)
* Glass-reinforced acetal construction.j
† Air cap 24A439 must be used with a 2.0 mm
(0.080 in.) nozzle.
*Also available in the following colors:
24A276 - blue
24A277 - red
24A278 - green
244919 HC Conversion Kit
Part No. 244919 Conversion Kit converts PRO Xs3 stan-
dard coating guns (Part Nos. 244400 and 244579) to
high conductivity guns (244575 and 244576). For further
instruction and parts, see manual 309453.
The kit is for use with fluids with low resistivity values.
1. Turn the ES ON/OFF valve OFF.
2. Flush and relieve the pressure.
3. Disconnect the fluid and air lines to the gun.
WARN ING
Pressurized Equipment Hazard
To reduce the risk of an injury, follow the
Pressure Relief Procedure on page 24
before removing or installing a fluid nozzle
and/or air cap.

Table 1: Fluid Nozzles

Part No. Orifice Si ze
197263 0.75 mm (.030 in.)
197264 1.0 mm (.042 in.)
197265 1.2 mm (.047 in.)
197266 1.5 mm (.055 in.)
197267 1.8 mm (.070 in.)
197268† 2.0 mm (.080 in.)
249920* 0.75 mm (.030 in.)
249921* 1.0 mm (.042 in.)
249922* 1.2 mm (.047 in.)
249923* 1.5 mm (.055 in.)
249924* 1.8 mm (.070 in.)
249925*† 2.0 mm (.080 in.)

Table 2: Air Caps

Part No.
Pattern Shape
and Length in.
(mm)
Recommended Fluids and
Production Rates
24A438 Round end;
15-17 (381-432)
Light to medium viscosity.
Up to 15 oz/min (450 cc/min)
24A279 Round end;
14-16 (356-406)
Medium to high viscosity and
high solids.
Up to 15 oz/min (450 cc/min)
24A376* Tapered end;
17-19 (432-483)
Light to medium viscosity.
Up to 15 oz/min (450 cc/min)
24A274 Tapered end;
12-14 (305-356)
Light to medium viscosity.
Up to 15 oz/min (450 cc/min)
24A439 Round end;
11-13 (279-330)
Medium to high viscosity and
high solids.
Up to 15 oz/min (450 cc/min)
For use with 2.0 mm nozzle.
24A275 Tapered end;
14-16 (356-406)
Light to medium viscosity and
high solids.
Aerospace coatings.
Up to 25 oz/min (750 cc/min).
WARN ING
Pressurized Equipment Hazard
To reduce the risk of an injury, follow the
Pressure Relief Procedure in your gun
manual before installing this kit.