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Instructions - Parts
LT Series
Gravity Feed Air
Spray Guns
For professional spray application of liquid coating materials.
Models
Part
Model
No.
249346
Mini-HVLP
249347
Conventional
249348
249349
249350
HVLP
249351
249352
*
Maximum HVLP Compliant Pressure
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
Contents
Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Troubleshooting . . . . . . . . . . . . . . . . . . . . 5
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Technical Data . . . . . . . . . . . . . . . . . . . . . . 7
Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Graco Standard Warranty . . . . . . . . . . . . 10
Graco Information . . . . . . . . . . . . . . . . . . 10
Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441
Copyright 2005, Graco Inc. is registered to I.S. EN ISO 9001
Needle/
Maximum
Nozzle Size
Working Air
(mm/in)
Pressure
100 psi
1.0/0.039
(0.7 MPa, 7 bar)
1.4/0.055
100 psi
(0.7 MPa, 7 bar)
1.8/0.071
1.3/0.051
1.4/0.055
100 psi
(0.7 MPa, 7 bar)
1.5/0.059
1.8/0.071
311104C
Recommended
Maximum Inbound
Air Pressure
29 psi
(0.20 MPa, 2.0 bar)*
60 psi
(0.41 MPa, 4.1 bar)
29 psi
(0.20 MPa, 2.0 bar)*
II 2 G
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Table of Contents
Related Manuals for Graco LT Series
Summary of Contents for Graco LT Series
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Page 1: Table Of Contents
Graco Standard Warranty ... . 10 Graco Information ....10 Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441 II 2 G Copyright 2005, Graco Inc. -
Page 2: Warnings
Check equipment daily. Repair or replace worn or damaged parts immediately. • Do not alter or modify equipment. • Use equipment only for its intended purpose. Call your Graco distributor for information. • Route hoses and cables away from traffic areas, sharp edges, moving parts, and hot surfaces. •... -
Page 3: Setup
Setup Setup Pressure Relief Procedure Install an air pressure regulator on gun air supply line to control air pressure. Install a shutoff valve downstream of the air regula- WARNING tor to shut off gun air. Connect a clean, dry, filtered air supply. Follow Pressure Relief Procedure when you stop Connect air supply line to gun air inlet (21). - Page 4 Setup Daily Cleaning and Maintenance Test spray pattern and atomization while holding gun about 6-8 inches (150-200 mm) from test piece. WARNING If pattern is too wide, turn pattern adjustment knob (7) right to narrow pattern. To create a round pattern, turn pattern adjust- Follow Pressure Relief Procedure when you stop ment knob (7) fully right.
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Page 5: Troubleshooting
Troubleshooting Troubleshooting WARNING Follow Pressure Relief Procedure, page 3, before troubleshooting or servicing. Read warnings, page 2. Problem Cause Solution One side of air cap (1) dirty or clogged Clean air cap orifices. See page 4. Blow air through orifices until clean. -
Page 6: Service
Service Service Remove air valve shaft (8). WARNING Remove fitting (17) with Allen wrench (Mini-HVLP: 8 mm, Conventional/HVLP: 9 mm). Remove o-rings (13, 10) and holder (9) from fitting Follow Pressure Relief Procedure when you stop spraying and before cleaning, checking, or servicing (17). -
Page 7: Technical Data
Technical Data Technical Data Maximum Working Air Pressure ....... . .100 psi (0.7 MPa, 7 bar) Maximum HVLP Inbound Air Pressure. -
Page 8: Parts
Parts Parts Mini-HVLP - Part No. 249346 Ref. Ref. Part No. Description Qty. Part No. Description Qty. Air Valve Spring 15G123 Air Cap 15G135 Air Valve Fitting 15G124 Fluid Nozzle, 1.0 15G136 Fluid Needle Needle Packing Needle Spring 4† Needle Packing Seat 20†... -
Page 9: Packing Holder
Parts Conventional - Part Nos. 249347 and 249348 and HVLP - Part Nos. 249349, 249350, 249351, and 249352 Includes: Model No. Part No. Description Air Cap (1) Nozzle (2) Needle (18) Repair Kit Conventional 249347 Conventional Air Spray, 1.4 15G157 15G151 15G170 249511... -
Page 10: Graco Standard Warranty
With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.