Table of Contents
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INSTRUCTIONS-PARTS LIST
This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.
INSTRUCTIONS
EM590
2750 psi (190 bar, 19 MPa) Maximum Working Pressure
Model 220–856, Series D
Basic sprayer on Upright cart without hose or gun
Model 231–590, Series A
Same as 220–856 and includes 50 ft (15.1 m) hose,
3 ft (0.9 m) whip hose and spray gun with RAC IV
DripLess
Tip Guard and 517 size SwitchTip
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
Airless Paint Sprayer
http://www.graco.com
COPYRIGHT 1987, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
307–830
Supersedes Rev. E
First choice when
quality counts.
Rev. F
01744C
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Table of Contents
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Summary of Contents for Graco 220-856
- Page 1 This manual contains important warnings and information. READ AND KEEP FOR REFERENCE. INSTRUCTIONS EM590 Airless Paint Sprayer 2750 psi (190 bar, 19 MPa) Maximum Working Pressure Model 220–856, Series D Basic sprayer on Upright cart without hose or gun Model 231–590, Series A Same as 220–856 and includes 50 ft (15.1 m) hose,...
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Page 2: Table Of Contents
Warnings ........Setup . -
Page 3: Warnings
INJECTION HAZARD Spray from the gun, leaks or ruptured components can inject fluid into your body and cause extremely serious injury, including the need for amputation. Fluid splashed in the eyes or on the skin can also cause serious injury. Fluid injected into the skin is a serious injury. - Page 4 EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury. INSTRUCTIONS This equipment is for professional use only. Read all instruction manuals, tags, and labels before operating the equipment. Use the equipment only for its intended purpose. If you are not sure, call your distributor. Do not alter or modify this equipment.
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Page 5: Setup
WARNING To reduce the risk of serious bodily injury caused by static sparking, fluid injection or over–pressuri- zation and rupture of the hose or gun, all hoses must be electrically conductive, the gun must have a tip guard, and each part must be rated for at least 2750 psi (190 bar , 19 MPa) Working Pressure. - Page 6 Setup Keep 1/3 full with TSL at all times Never install any shutoff device here 01744C Fig. 1...
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Page 7: Startup
Use this procedure to help you start and operate the sprayer properly and safely. WARNING INJECTION HAZARD To reduce the risk of serious bodily injury, follow the Pressure Relief Proce- dure Warning on page 11 before check- ing or repairing any part of the spray system. NOTE: Flush the sprayer if this is a first-time startup. -
Page 8: Maintenance
WARNING INJECTION HAZARD To reduce the risk of serious bodily injury, follow the Pressure Relief Proce- dure Warning on page 11 before check- ing or repairing any part of the spray system. Cleaning a Clogged Tip WARNING To reduce the risk of serious bodily injury from from fluid injection: NEVER operate the spray gun with the tip guard removed. -
Page 9: Flushing
NOTE: Several flushes may be required to clean the system and prepare it for the next fluid or storage. Use this chart to determine the required flushes and use the procedure below for flushing. *Use this category for flushing a brand new sprayer and flushing after storage. System has this Next fluid to be fluid in it:... -
Page 10: Application Methods
Application Methods Hold the gun perpendicular to the surface. Keep the gun at an even 12 to 14 in. (300 to 356 mm) from the surface you are spraying. See Fig. 7. Begin moving the gun horizontally at a steady rate. Start the spray stroke off the target surface and pull the trigger as the gun is moving. -
Page 11: Troubleshooting
Pressure Relief Procedure To reduce the risk of serious bodily injury always follow this procedure before checking or repairing the sprayer. 1. Engage the gun safety latch. 2. Turn the ON/OFF switch to OFF. 3. Unplug the power supply cord. 4. - Page 12 PROBLEM CAUSE Paint leaks into wet-cup Packing nut is loose Throat packings are worn or damaged Excessive surging from spray Spray tip or fluid filter is plugged Spray tip too big or worn Paint too viscous Wrong type hose Not enough paint pressure Pressure setting too low Spray tip too big or worn Pressure control frozen or damaged...
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Page 13: Motor Brush Replacement
Motor Brush Replacement NOTE: Replace the brushes when they have worn to less than 10 mm. See Fig. 12. Always replace both brushes at the same time. A Brush Repair Kit, 220–853, and spring clip, 110–816, are available. NOTE: Replacement brushes may last only half as long as the original ones. -
Page 14: Displacement Pump
Displacement Pump Torque to 80 ft–lb (107 N.m) Fig. 14 WARNING INJECTION HAZARD To reduce the risk of serious bodily injury, follow the Pressure Relief Proce- dure Warning on page 11 before check- ing or repairing any part of the spray system. Removing the pump See Fig. -
Page 15: Connecting Rod And Bearing Housing
Connecting Rod and Bearing Housing WARNING INJECTION HAZARD To reduce the risk of serious bodily injury, follow the Pressure Relief Proce- dure Warning on page 11 before check- ing or repairing any part of the spray system. NOTE: Refer to Fig. 16. 1. -
Page 16: Drive Housing
WARNING INJECTION HAZARD To reduce the risk of serious bodily injury, follow the Pressure Relief Proce- dure Warning on page 11 before check- ing or repairing any part of the spray system. NOTE: Refer to Fig. 17 for this procedure. NOTE: Stop the sprayer at the bottom of its stroke to get the crank (C) in its lowest position. -
Page 17: Motor
WARNING INJECTION HAZARD To reduce the risk of serious bodily injury, follow the Pressure Relief Proce- dure Warning on page 11 before check- ing or repairing any part of the spray system. NOTE: Refer to Fig. 18. 1. Remove the four screws (13) and front cover (12). Disconnect the hose (30) and drain hose (80). - Page 18 Partial Wiring Diagram Ç Ç Ç É É É É É É É All wires to the over-pressure switch (C) and the pressure switch (D) must be insulated with shrink tubing or electrical tape. Motor leads Conduit seal (18) shown installed in con- duit connector (103) See Detail above Fig.
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Page 19: Pressure Control
WARNING INJECTION HAZARD To reduce the risk of serious bodily injury, follow the Pressure Relief Proce- dure Warning on page 11 before check- ing or repairing any part of the spray system. CAUTION Do not remove the nipple (105e) or elbow (105d) from the pressure control unless they are damaged. - Page 20 All wires to the over-pressure switch (C) and the pressure switch (D) must be insulated with shrink tubing or electrical tape. Motor leads Power supply leads Fig. 20 Pressure Control Ç Ç Ç Ç Ç Ç Ç Ç É É É...
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Page 21: Pressure Control Adjustment
Pressure Control Adjustment USE EXTREME CAUTION WHEN PERFORMING THIS ADJUSTMENT PROCEDURE to reduce the risk of a fluid injection injury or other serious bodily injury, which can result from component rupture, electric shock, fire, explosion or moving parts. This procedure sets the sprayer to 2750 psi (190 bar) MAXIMUM WORKING PRESSURE. - Page 22 Pressure Control Adjustment Fig. 22 NOTE: Refer to Fig. 22 for the remainder of this procedure. 2. Remove the plug (68). 3. Open the needle valve slightly. Turn the pressure adjusting knob (A) to the minimum setting. 4. Plug in the sprayer and turn the switch (E) ON. Increase the pressure just enough to start the sprayer.
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Page 23: Parts - Pressure Control
Parts – Pressure Control Part No. 220–858 Pressure Control Assembly Includes replaceable items Ç Ç Ç Ç listed below Ç Ç Ç Ç É É É É 105f 105d 105f 106,107 Part No. Description 108–295 STRAIN RELIEF BUSHING 220–945 POWER SUPPLY CORD, 8.5’ 108–460 45 CONDUIT CONNECTOR 183–466... -
Page 24: Parts - Upright Sprayer
Parts – Upright Sprayer Model 220–856, Series D Includes items 1 to 81 Model 231–590, Series A Includes items 1 to 87 12,41 Detail A Ref 75 22,24 Ref 30 Detail B See Detail A... - Page 25 Parts – Upright Sprayer Model 220–856, Series D Includes items 1 to 81 Model 231–590, Series A Includes items 1 to 87 Part No. Description 220–365 CART ASSEMBLY Includes items 1a – 1g 101–242 .RETAINING RING 176–884 .WASHER, plain, 5/8” 107–310 .PLUG, plastic 102–070...
- Page 26 Notes...
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Page 27: Technical Data
Technical Data Electric Motor ....... Electric Cord ......Power Requirements . -
Page 28: Graco Warranty
Graco Warranty Graco warrants all equipment listed in this manual which is manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale by an authorized 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.