Graco RTX 1500 User manual

310694C

Instructions

RTX 1500 Auxiliary Air Kit

Model 287328

• Allows use of external air supply for greater air atomization at spray gun

• Bypasses RTX internal air supply

• Requires air supply minimum of 10 cfm @ 100 psi

Patent Pending

125 psi (0.7 MPa, 6.9 bar) Maximum Working Pressure

Important Safety Instructions

Read all warnings and instructions in the RTX

Sprayer operation manual. Save these instructions.

CAUTION

• Connecting external air supply in any manner other

than following these instructions can damage sprayer.

• Use clean, regulated external air supply.

ti12373a

Installation and Operation

2310694C

Installation and Operation

Installation

1. Remove hopper and front shroud (see manual

310645).

2. Install valve.

3. Push fitting ring (A) and disconnect air line (B).

4. Cut off 2 in. of air line (B) to avoid contact with

moving parts.

5. Align elbow fitting (3) with hole on sprayer frame and

mount auxiliary air kit underneath sprayer frame.

Tighten two screws (18) to secure in place.

6. Connect air line (B) to TEE connector (16) and air

compressor. Connect line (M) to elbow fitting (K)

and TEE connector (16).

7. Install front shroud and hopper.

Installation and Operation

310694C 3

Operation

1. Connect external air supply (C) to male air fitting

valve (D).

2. Connect spray gun air line (E) to valve (F).

3. Open spray gun air valve (G) all the way.

4. Pull spray gun trigger and adjust air flow with air

pressure regulator (H) (not supplied by Graco) on

external air supply.

5. Use spray gun air valve (G) for fine adjustment.

ti4962b

Air Flow (cfm) Operating Range at gun

Connection J 1 - 6 cfm

(no additional air required)

Connection F 5 - 20 cfm

(requirement external air supply)

Air Vent

Troubleshooting

4310694C

Troubleshooting

Maintenance:

Clean valve inlet every 100 hours:

1. Remove fitting (8) and piston valve (11).

2. Rinse out valve (10) with warm water.

3. Install piston valve (11) and fitting (8); hand tighten.

PROBLEM CAUSE SOLUTION

Sprayer will not pump

material

Gun air valve (G) not open completely 1. Open gun air valve (G).

2. Regulate air flow with air regulator.

Dirty external air supply See Maintenance.

See Manual 310645 for further troubleshooting Determine cause.

Sprayer will not stop

pumping material

Spray gun or air line leaking air when gun trig-

ger is closed

Repair leak.

Air is venting when spray gun is shut off

See Maintenance.

Not enough atomization

air at spray gun

Compressor not large enough for intended use 1. Open gun air valve (G).

2. Regulate air flow with air regulator (H).

Plugged gun, air line or valve Repair or clean as needed.

Material not appropriate for system Review material specifications.

Air lines not properly connected Connect air lines as shown on page 2.

ti4964b Air Vent

Parts

310694C 5

Parts

ti5111b

610

Ref. Part Description Qty.

1 100175 COUPLING, pipe 1

2 110249 ADAPTER, male elbow, 90 degree 1

3 113321 FITTING, elbow tube 1

4 116720 COUPLER, quick-disconnect 1

5 115524 GASKET 1

6 119362 FITTING, bushing 1

7 119373 SPRING, compression 1

8 15E090 FITTING, quick-disconnect, male 1

9 15E127 NEEDLE, valve 1

10 15E128 VALVE 1

11 15E129 PISTON, valve 1

12 238341 NUT, seal 1

15 110782 o-ring 1

16 15E510 TEE, with air lines 1

17 100016 WASHER, lock 2

18 100270 SCREW, cap, hex hd 2

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 310694

Graco Headquarters: Minneapolis

International Offices: Belgium, China, Japan, Korea

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

www.graco.com

Revised 05/2008

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