Graco 287328 Manuel utilisateur
310694D
EN
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.
B
A
3
18
M
B
16
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)
D
G
E
F
CH
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
16
3
610
9
2
5
1
4
7
8
15
11
12
17
18
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
Copyright 2008, Graco Inc. is re giste re d to I.S . EN ISO 9001
www.gra co.com
Re vis ion D, 11/2018
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