Graco A Series Instructions-Parts List Manual
  1. Manuals
  2. Brands
  3. Graco Manuals
  4. Paint Sprayer
  5. Series A
  6. Instructions-parts list manual
Graco A Series Instructions-Parts List Manual

Graco A Series Instructions-Parts List Manual

Electrostatic package sprayer with husky 307 pump, pail mount
Hide thumbs Also See for A Series:
Table of Contents

Advertisement

Quick Links

Download this manual
INSTRUCTIONS-PARTS LIST
This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.
INSTRUCTIONS
HUSKY
307, PAIL MOUNT
PRO 3500 Electrostatic Package
See the Data Sheet, 305–666, for application information
100 psi (0.69 MPa, 6.9 bar) Maximum Fluid Working Pressure
100 psi (0.69 MPa, 6.9 bar) Maximum Air Inlet Pressure
Model 237–415, Series A
Complete package includes pump, gun with .059 in.
(1.5 mm) fluid nozzle, pail cover, 25 ft. (7.6 m) air and
fluid hoses, air and fluid controls, and fluid feed.
IMPORTANT
This manual provides basic safety, installation,
and operation information for the package. For
your safety, also read the component manuals
supplied with this package before operating it.
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
COPYRIGHT 1994, GRACO INC.
308–452
Supersedes Rev B
First choice when
quality counts.
Rev. C
and PCN C

Advertisement

Table of Contents
loading

Related Manuals for Graco A Series

Summary of Contents for Graco A Series

  • Page 1 IMPORTANT This manual provides basic safety, installation, and operation information for the package. For your safety, also read the component manuals supplied with this package before operating it. GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441 COPYRIGHT 1994, GRACO INC.

  • Page 2: Table Of Contents

    Table of Contents Symbols Warning Symbol Warnings ....... . . Setup .
  • Page 3 This equipment is for professional use only. Read all the instruction manuals, tags, and labels before operating the equipment. Use the equipment only for its intended purpose. If you are uncertain about usage, call your Graco distributor. Do not alter or modify this equipment. Use only genuine Graco parts and accessories.

  • Page 4: Setup

    Setup Prepare the site CAUTION 1. Use a minimum recommended 5 HP (3.7 kW) air compressor for efficient operation. This equipment is compatible with most water-based materials. See the wetted parts in the Technical 2. Clear obstacles and debris that could cause an Data section and your fluid and solvent manufactur- unsafe operating environment.
  • Page 5 Setup III. Unpack the system 1. In addition to the assembled unit, these compo- nents are packed loosely or separately: fluid feed hoses, gun, and instruction manuals. These are the manuals you should receive. 308–553 Husky 307 pump 307–912 Electrostatic air spray gun 308–325 Fluid regulator 308–167 Air regulator Setup the system...

  • Page 6: Ground The System

    2. Electrostatic spray gun : grounding is obtained through connection to a properly grounded air supply hose. Use only Graco Electrically Conduc- tive Air Supply hose (4) as supplied with this 3 in. (76 mm) square system. Remove the nut and washer from the cut out and finger pump grounding strip.

  • Page 7: System Component Information

    System Component Information How to use the electrostatic air spray gun (Fig. 5) ES indicator light ES On–Off lever I is ON and 0 is OFF The air hose supplies air to the spray gun. Part of the Fan air control valve air operates the turbine and the rest of it atomizes the Electrode fluid being sprayed.
  • Page 8 System Component Information III. How to adjust the air and fluid regulators (Fig. 8) 1. Always open air and fluid regulators slowly to prevent surging during startup. 2. The fluid regulator (6) controls fluid from the pump to the gun. For an accurate setting, adjust the fluid regulator only when the gun is triggered and fluid is flowing through the regulator.

  • Page 9: Operation

    Operation Pressure relief procedure III. Prime the system (Fig. 9) 1. Place the pump on a grounded metal pail of pre- WARNING pared fluid. Tighten the thumbscrews lightly. The system remains pressurized until pressure is 2. Close the gun air regulator (5b) and the fluid manually relieved.
  • Page 10 Operation Set the fluid and air pressure 4. Partially trigger the gun so only air is emitted. Set the gun air regulator (5b) pressure to 70 psi (490 kPa, 4.9 bar). 1. With the system primed and the gun regulator closed, trigger the gun and adjust the pump air 5.
  • Page 11 Operation 7. Hold the gun tip (electrode) (D) 10–12 in. (250–300 mm) from the grounded part and trigger the gun. ES indicator light ES On–Off lever Operate the gun like an air spray gun, but use a I is ON and 0 is OFF slower stroke to allow the electrostatics to work Fan control valve effectively.

  • Page 12: Flushing

    Flushing 5. Make sure the air regulators (5a, 5b) and master WARNING air valve (A) are closed. Open the fluid recirculat- ing valve (35). To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the NOTE: The gun air regulator (5b) always stays closed Pressure Relief Procedure on page 9.

  • Page 13: Parts

    Parts Model 237–411, Series A Ref. Part No. Description Qty. Includes items 1–40 102–025 NUT, hex, 1/4–20 Ref. 111–807 90 TUBE FITTING ELBOW Part No. Description Qty. 1/4 npt(m) x ferrule nut for 0.25” (6.3 mm) OD tube D31–331 HUSKY 307 PUMP 104–119 CAPSCREW, hex hd, See manual 308–553 for parts...
  • Page 14 Parts Model 237–415, Series A Includes items 1 to 40 Insert tube into connector (36) to full depth and tighten nut securely with wrench. Insert tube into elbow (23) to full depth and tighten nut securely with wrench. Insert tube into elbow (26) to full depth and tighten nut securely with wrench.

  • Page 15: Technical Data

    Technical Data Category Data Maximum Fluid Working Pressure 100 psi (0.69 MPa, 6.9 bar) Maximum Incoming Air Pressure 100 psi (0.69 MPa, 6.9 bar) Gun Air Consumption 16 scfm at 50 psi (0.45 m /min at 0.35 MPa, 3.5 bar) Pump Air Consumption at 1/2 gpm 1 scfm at 60 psi (0.028 m /min at 0.42 MPa, 4.2 bar)

  • Page 16: Warranty

    Graco distributor to the original purchaser for use. 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.

This manual is also suitable for:

Pro 3500 237-415

Table of Contents