Instruction/ maintenance manual of the product 237691 Graco Inc.
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308–235 Rev . F Supersedes Rev . E INSTRUCTIONS-P ARTS LIST INSTRUCTIONS This manual contains important warnings and information. READ AND KEEP FOR REFERENCE. Flex Airless Spray Gun 5000 psi (345 bar) MAXIMUM WORKING PRESSURE Model 235–457, Series C Bare gun.
T able of Contents W arnings 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation/Operation 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . Pressure Relief Procedure 5 . . . . . .
W ARNING 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 .
4 308-235 W ARNING 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 .
Installation/Operation Pressure Relief Procedure W ARNING 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 .
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.
Installation/Operation How to Clean the Spray Tip and Clear a Spray Tip Obstruction. W ARNING 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.
Installation/Operation How to Check the Gun Diffuser Operation Check the dif fuser operation weekly . The gun dif fuser/ seat (2a) breaks up spray and reduces the risk of fluid injection when the tip is not installed. Perform the test below .
Service 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*).
10 308-235 Service 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.
308-235 11 Parts 1 2 Lubricate, then torque to 20-25 ft-lb (27-34 N.m) 3 4 T orque to 30-40 in-lb (3.4–4.5 N.m) Purchase separately 01468 1 2a* 2b* 2c* 2d* 6 7 8 9 11 12 13 14 15 4 1 3 2 Lubricate 18 19 2 Model 235–459, Series D Model 237–691, Series B ncludes RAC r IV DripLess t T ip Guard.
12 308-235 Notes.
308-235 13 Accessories FIL TERS 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. V arious screen meshes are avail - able. Mounts in hose 213–068 Includes filter body , spring and one 100 mesh screen.
14 308-235 T echnical Data Maximum W orking Pressure 5000 psi (350 bar) . . . . . . Fluid Orifice Size 0.090 in. (2.3 mm . . . . . . . . . . . . . . . . . Wetted Parts Stainless steel, Polyethylene, . . . . . . . . . Polyurethane, Nylon, PTFE Weight 18 oz.
308-235 15 Manual Change Summary Changed: Model 237–691, Series C T o: Model 237–691, Series B.
16 308-235 The Graco W arranty and Disclaimers W ARRANTY 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.
An important point after buying a device Graco Inc. 237691 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Graco Inc. 237691 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Graco Inc. 237691 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Graco Inc. 237691 you will learn all the available features of the product, as well as information on its operation. The information that you get Graco Inc. 237691 will certainly help you make a decision on the purchase.
If you already are a holder of Graco Inc. 237691, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Graco Inc. 237691.
However, one of the most important roles played by the user manual is to help in solving problems with Graco Inc. 237691. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Graco Inc. 237691 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
