Graco 287328 User manual

310694D

Instructions

RTX 1500 Auxiliary Air Kit

Model 287328

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

• Bypasses RTX internal air supply

• Requires a ir s upply 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 ope ra tion ma nua l. S a ve the s e ins tructions .

CAUTION

• Connecting e xte rna l air supply in a ny ma nne r othe r

than following the s e ins tructions ca n da ma ge s pra ye r.

• Use cle a n, re gula te d e xte rna l air s upply.

ti12373a

Installation and Operation

2 310694D

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 a void conta ct with

moving pa rts .

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

and mount auxilia ry a ir kit underneath sprayer

frame. Tighten two screws (18) to s e cure in pla ce .

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

310694D 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 s pra y gun a ir va lve (G) all the wa y.

4. Pull spray gun trigger and a djus t a ir flow with air

pressure re gula tor (H) (not supplied by Graco) on

external air supply.

5. Use s pra y gun a ir va lve (G) for fine a djus tment.

ti4962b

Air Flow (cfm) Ope rating Range a t gun

Connection J 1 - 6 cfm

(no a dditiona l air re quire d)

Conne ction F 5 - 20 cfm

(require me nt e xte rna l air s upply)

Air Ve n t

Troubleshooting

4 310694D

Troubleshooting

Maintenance:

Clean valve inlet every 100 hours:

1. Remove fitting (8) and pis ton va lve (11).

2. Rinse out va lve (10) with wa rm wa te r.

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

PROBLEM CAUSE SOLUTION

Sprayer will not pump

materia l

Gun air valve (G) not ope n completely 1. Open gun a ir valve (G).

2. Regula te air flow with a ir re gula tor.

Dirty e xte rnal air supply See Maintenance.

See Manual 310645 for further troubleshooting Determine cause.

Sprayer will not s top

pumping material

Spray gun or a ir line le aking a ir when gun trig-

ge r is c los e d

Repair leak.

Air is ve nting whe n 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. Regula te a ir flow with air re gula tor (H).

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

Material not appropria te for s ys te m Review ma te ria l spe cifica tions.

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

ti4964b Air Ve nt

Parts

310694D 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, bus hing 1

7 119373 SPRING, compression 1

8 15E090 FITTING, quick-dis conne ct, ma le 1

9 15E127 NEEDLE, va lve 1

10 15E128 VALVE 1

11 15E129 P ISTON, va lve 1

12 17U290 NUT, seal 1

15 110782 o-ring 1

16 15E510 TEE, with a ir line s 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: Minn e a p o lis

International Offices: Belgium, China, Japan, Korea

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

www.gra co.com

Re vis ion D, 11/2018

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