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INSTRUCTIONS-PARTS LIST
This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.
INSTRUCTIONS
Flex Airless Spray Gun
5000 psi (345 bar) MAXIMUM WORKING PRESSURE
Model 235–457, Series C
Bare gun.
Model 237–691, Series B
Includes RAC IV DripLess
SwitchTip , and 2 finger trigger.
Model 235–459, Series D
Includes RAC IV DripLess
SwitchTip , and 2 finger trigger.
Model 235–458, Series C
Includes the Standard (non-reversing) DripLess
Tip Guard. Spray tip not included; order separately.
Patents Pending
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
Tip Guard, 517 size
Tip Guard, 517 size
Model 235–458
COPYRIGHT 1992, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
308–235
Supersedes Rev. E
Model 235–459
Rev. F
01460
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Summary of Contents for Graco 235-459
- Page 1 INSTRUCTIONS-PARTS LIST This manual contains important warnings and information. READ AND KEEP FOR REFERENCE. INSTRUCTIONS Flex Airless Spray Gun 5000 psi (345 bar) MAXIMUM WORKING PRESSURE Model 235–457, Series C Bare gun. Model 237–691, Series B Includes RAC IV DripLess Tip Guard, 517 size SwitchTip , and 2 finger trigger.
- Page 2 Table of Contents Warnings ........Installation/Operation .
- Page 3 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 might look like just a cut, but it is a serious injury.
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Page 4: Fire And Explosion Hazard
FIRE AND EXPLOSION HAZARD Improper grounding, poor ventilation, open flames or sparks can cause a hazardous condition and result in a fire or explosion and serious injury. If there is any static sparking or you feel an electric shock while using this equipment, stop spray- ing immediately. -
Page 5: Pressure Relief Procedure
Installation/Operation Pressure Relief Procedure WARNING INJECTION HAZARD The system pressure must be manually relieved to prevent the system from starting or spraying accidentally. Fluid under high pressure can be injected through the skin and cause serious injury. To reduce the risk of an injury from injection, splashing fluid, or moving parts, follow the Pressure Relief Procedure whenever you:... -
Page 6: How To Adjust The Spray Pattern
Installation/Operation How to Use the Gun 1. Guide a grounded fluid hose (with spring guard) through the hose guard (14) and connect the hose to the gun inlet. See Fig. 2. 2. With no tip installed, start the pump. Flush the pump according to the instructions supplied with it. - Page 7 Installation/Operation How to Clean the Spray Tip and Clear a Spray Tip Obstruction. WARNING To reduce the risk of fluid injection or splashing in the eyes or on the skin, do not hold a hand, body or rag in front of the spray tip when cleaning or checking a clogged tip.
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Page 8: How To Check The Gun Diffuser Operation
Installation/Operation How to Check the Gun Diffuser Operation Check the diffuser operation weekly. The gun diffuser/ seat (2a) breaks up spray and reduces the risk of fluid injection when the tip is not installed. Perform the test below. If it fails, replace the entire Needle Kit, Part No. 235–474, as instructed on page 7. -
Page 9: Needle Replacement
CAUTION Do not attempt to install an old style needle in this gun. The front of the new needle is marked with a + below the Graco symbol. Notes: Use Needle Kit 235–474. Use all the new parts for the best results. Parts included in the kit are shown with one asterisk, (2a*). - Page 10 7. Slide the rear of the needle (2c*) into the front of the gun. Slide the tool (B), provided with the repair kit, into the gun, around the needle. Lightly tap the tool with a hammer or lightly press the tool against a flat surface to seat the needle.
- Page 11 Model 235–459, Series D Model 237–691, Series B ncludes RAC IV DripLess Tip Guard. Includes items 2 to 19 as indicated by model number . Model 235–457, Series C Includes the Standard (non-reversing) DripLess Tip Guard. Includes items 2 (not 2d) to 17 as indicated by model number.
- Page 12 Notes...
- Page 13 FILTERS 3000 psi (210 bar) Maximum Working Pressure. Adequate filtering is important for a good surface finish and to minimize tip clogging. These filters provide secondary filtering. Various screen meshes are avail- able. Mounts in hose 213–068 Includes filter body, spring and one 100 mesh screen.
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Page 14: Technical Data
Technical Data Maximum Working Pressure ..Fluid Orifice Size ....Wetted Parts ..Stainless steel, Polyethylene, Polyurethane, Nylon, PTFE Weight... -
Page 15: Manual Change Summary
Manual Change Summary Changed: Model 237–691, Series C To: Model 237–691, Series B... -
Page 16: The Graco Warranty And Disclaimers
The Graco Warranty and Disclaimers WARRANTY Graco warrants all equipment manufactured by it 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. As purchaser’s sole remedy for breach of this warranty, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment proven defec- tive.