Graco 308181A FOUR-FINGER TRIGGER GUN or CONVERSION KIT Owner's Manual

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Graco 308181A FOUR-FINGER TRIGGER GUN or CONVERSION KIT Owner's Manual | Manualzz

This manual contains IMPORTANT

WARNINGS AND INSTRUCTIONS

READ AND RETAIN FOR REFERENCE

308–181

Rev. A

FOUR-FINGER TRIGGER

GUN or CONVERSION KIT

Kit is for use on the PRO4500 Electrostatic Air Spray Gun, part no.

224–200, to change from a two-finger trigger to a four-finger trigger.

Part Number 224–884

Four-Finger Trigger Conversion Kit

Part Number 224–400

Four-Finger PRO4500 Electrostatic Air Spray Gun

NOTE: See the other side of this form for the four-finger trigger part numbers. See Manual 308–131 for other part numbers, warnings, and instructions.

INSTALLATION

Installing the Conversion Kit

WARNING

Before beginning to install the conversion kit, turn off the electrostatics to the gun and relieve all pressure in the system. This helps reduce the risk of fire, explosion, or electrostatic shock, which could cause serious bodily injury and property damage, and reduces the risk of splashing fluid in the eyes or on the skin if the gun is accidentally triggered.

Pressure Relief Procedure

1.

Turn the ES Valve (electrostatics) OFF.

2.

Turn off the air and fluid supply to the gun.

3.

Trigger the gun into a grounded metal waste container to relieve fluid pressure.

PRO4500 Spray Gun with Two-Finger Trigger

A

1.

Loosen the screws (A) and remove the two-finger trigger (B) from the gun. See Fig 1.

2.

Loosen the nut (C) and fluid inlet fitting (H) and remove the fluid tube (D) from the gun.

3.

Remove the ferrules (E) from the old tube.

NOTE: The ferrules can be reused with the new tube or replaced with the ferrules supplied with the kit.

4.

Remove the fluid inlet fitting (H) and o-ring (J).

5.

Loosen the air adapter (D), then remove the fluid adapter and bracket assembly (G).

6.

Cut or grind off the finger tab (F) from the gun handle to allow room for the four-finger trigger. DO NOT cut into the handle.

Fig 1

D

J H

C

B

E

F

G

D

0848

(Continued on other side.)

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

COPYRIGHT 1991, GRACO INC.

INSTALLATION

7.

Install the four-finger trigger (1) with the screws (A).

See Fig 2.

8.

Install the o-ring (10) on the fluid inlet fitting (7). Install the fitting on the new fluid tube (8).

9.

Install the nut (9) and ferrules (6) on the fluid tube (8).

10. Install the fluid adapter (2) into the bracket (3). Tighten it finger-tight.

11. Install the screw (4) into the bracket (3) to prevent the adapter from turning. (The fluid adapter (2) may have to be turned slightly to install the screw.)

12. Assemble the tube to the new bracket (3). Make sure the tube bottoms out in the fluid adapter (2). Refer to

Fig 2 and 3.

13. Assemble the other end of the tube into the barrel

(K). See Fig 2. Make sure the tube bottoms out in the fitting. Torque the fluid inlet fitting to 25 to 35 in-lbs

(2.8 to 4 N

S m).

PRO4500 Spray Gun with Four-Finger Trigger

14. Install the air adapter (D) through the bracket (3).

Apply high strength Loctite r to the threads and install the adapter into the gun handle (adapter has lefthand threads ). Torque the adapter to 35-45 in-lbs

(4-5 N

S m).

Install both ends of the fluid tube (8) before installing the adapter (D)

7 4

D

MAKE SURE tube bottoms out in fittings

8

9

2

1

3

0850

Fig 3

A

K

1

7

Torque Fitting to

25–35 in-lbs

(2.8–4 N

S m)

3

Fig 2

8

10

9

6

2

4

D

Apply high strength (green) Loctite or equivalent to threads. Torque to

35–45 in-lbs (4–5.1 N S m).

Left hand threads

0849

PARTS LIST

Four-Finger Trigger Conversion Kit

Part Number 224–884

Includes the parts listed below:

REF

NO.

PART NO.

DESCRIPTION

3

4

1

2

187–560

186–649

186–650

111–006

6

7

8

110–077

186–621

224–910

9 110–079

10 105–796

TRIGGER, four-finger

ADAPTER, fluid

BRACKET, 4 finger

SCREW, cap; 10–32 x 0.25”

FERRULES, fluid tube

FITTING, barrel fluid inlet

TUBE, fluid

NUT, fluid tube

O-RING, Viton r

QTY

1

1

1

1

1

1

1

1

1

Factory Branches: Atlanta, Chicago, Dallas, Detroit, Los Angeles, West Caldwell (N.J.)

Subsidiary and Affiliate Companies: Canada; England; Switzerland; France; Germany; Hong Kong; Japan; Korea

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

PRINTED IN U.S.A. 308–181 9–91

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