Instruction/ maintenance manual of the product 234401 Graco
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309921N EN Instr uctions - P ar ts List Desiccant Air Dr ying System Model 234401, Series D Maximum Oper ating Pressure 160 psi (1.1 MP a, 11 bar) Maximum T emperat ure 150° F (65° C) Model 24M178, Series B Maximum Oper ating Pressure 175 psi (1.
How Desiccant Air Drying System Works 2 309921N Ho w Desiccant Air Drying System W orks When air is co mpressed, th e temperature of the air increases, as does it s capacity to hold moisture. As the hot, moist air tr av els do wn through the lines , it cools , allowin g the moisture to conde nse.
Installation 309921N 3 Installation 1. Bef ore installing air line components, b low out the pipe line to remo v e debris. Be sure air to the regula- tor is clean. Erratic o peration or loss of re gulation is usually caused b y dir t in the regulator .
Installation 4 309921N Minim um Pipe Size Recommendations Compressor Main Air Line Size Capacity Length Size 1-1/2 - 2 HP 6 - 9 CFM any 3/4 in. (19 mm) 3 - 5 HP 12 - 20 CFM Up to 200 ft (6 1 m) 3/4 in. (19 mm) Ov er 200 ft (61 m) 1 in. (25.4 mm)) 5 - 10 HP 20 - 40 CFM Up to 100 ft (30.
Installation 309921N 5.
Operation 6 309921N Operation Model 234401, Series D 1. Attach air ho se(s) to air regulator ou tlet valv e 289165. 2. Attach air hose to main shut-off v alv e 288798. 3. Open main shut-off v alv e 288798 . 4. T ur n the T -hand a djusting screw in or out to adjus t regulator t o desired sett ing.
Operation 309921N 7 288789 288787 234404 234397 234402 288798 289165 P art No. Description 234402 Air Filter with auto dr ain; see Man ual 309919 f or par ts inf ormation 234397 Coalescer with auto dr.
Maintenance and Repair 8 309921N Pressure Relief Pr ocedure The f ollowing is a basic pressure r elief procedure. Be sure to f ollo w the specific pressure relief pr ocedure in yo ur spra y gun and/or fluid supply equip ment manuals . 1. Close the main air shut-off valv e.
Maintenance and Rep air 309921N 9 Desiccant Housing 234404, Series B Desiccant Changeout The desiccant g radually change s color from b lue to pink, indicating it has abso rbed moisture to the sat uration point and needs to be regenera ted or replaced.
Maintenance and Repair 10 309921N Self-Relieving Air Regulator 288787 Be sure air to the regulator is clean. Erratic oper ation or loss of regulation is usually caused b y dir t in the regula- tor . Cleaning 1. Follo w the Pressure Re lief Procedure , page 8.
Maintenance and Rep air 309921N 11.
All written and visual data contained in this document reflects the latest product information available at the time of publica tion. Graco reserves the right to make changes a t any time without notice. Original instructions. This manual contains Eng lish.
An important point after buying a device Graco 234401 (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 234401 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 234401 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Graco 234401 you will learn all the available features of the product, as well as information on its operation. The information that you get Graco 234401 will certainly help you make a decision on the purchase.
If you already are a holder of Graco 234401, 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 234401.
However, one of the most important roles played by the user manual is to help in solving problems with Graco 234401. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Graco 234401 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
