Instruction/ maintenance manual of the product Series A Graco
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3A2799A EN Instructions - Parts XHF Spray Gun For spraying viscous materials at high flow rates. For professional use only. Part No. 262854, Series A Includes an XHD ™ RAC ® Guard and XHD429 SwitchTip ™ 7250 psi (50 MPa, 500 bar) Maximum Working Pressure Important Safety Instructions Read all warnings and instructions in this manual.
2 3A2799A Contents W a r n i n g s ................................. 3 Operation ................................. 5 System Requirements ..................... 5 Ground the System ....................... 5 Gun Trigger Lock ........................ 5 Pressure Relief Procedure .
Warnings 3A2799A 3 Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama- tion point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks.
Warnings 4 3A2799A EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury. • Do not operate the unit when fatigued or under the influence of drugs or alcohol. • Do not exceed the maximum working pressure or temperature rating of the lowest rated system com- ponent.
Operation 3A2799A 5 Operation Keep the wallet-sized warning card provided with this gun with the operator at all times. The card contains important treatment information should an injection injury occur. Additional cards (part no. 222385) are available at no charge from Graco.
Operation 6 3A2799A Operation 1. Connect a fluid hose (A) to the gun inlet. Use high pressure swivel 207946 if desired (order sepa- rately). See Fig. 2. 2. With SwitchTip (8) and tip guard (9) removed, start the pump. Flush the pump according to the instruc- tions supplied with it.
Operation 3A2799A 7 Gun Care Cleaning during the day 1. Relieve pressure, page 5. 2. Use a solvent-soaked brush to clean the spray tip. Clean the front of the tip frequently during the day to help reduce buildup. 3. Clean the tip and tip guard at the end of each work day.
Operation 8 3A2799A Flush the Gun NOTE: This procedure requires a grounded pail of com- patible flushing fluid. 1. Relieve pressure. 2. Remove the tip guard and spray tip. Soak and clean the parts. 3. Single component systems only: Remove the pump intake from the original pail.
Service 3A2799A 9 Service Disassembly for Repair or Cleaning NOTE: If replacing only the needle and seat, step 4 and 5 are not required. However, removing them allows you to clean the gun more thoroughly. 1. Relieve pressure. 2. Disconnect the fluid hose (A) and swivel (if used).
Service 10 3A2799A 5. Loosen the setscrew (15) then remove the fluid housing (22) from the gun body (1). See F IG .8 . 6. While supporting the spring guide (16) to prevent bending the needle (2c), loosen the setscrews (17) then remove the spring guide (16).
Service 3A2799A 11 3. Place the gasket (2b) on the valve seat (2a). Grease the threads of the valve seat (2a) then install into the fluid housing (22). Torque to 20-25 ft-lb (27-34 N•m). See F IG .1 3 . 4. Install the spring guide (16) and seat it against the needle.
Service 12 3A2799A 7. Position the trigger (24) on the gun body. Insert the pivot pin (23) into the top hole (A) and secure with the screw (13) on the other side.
Parts 3A2799A 13 Parts --- Not for sale. ▲ Replacement Danger and Warning labels, tags and cards are available at no cost. 9 8 2a 2b 2c 22 2e 2d 17 17 18 26 26 19 20 15 13 21 23 1 24 16 ti19282a 1 Must install as shown with the notch on the bottom.
Parts 14 3A2799A Needle and Seat Kits The needle and seat are available only in kits that include items 2a through 2e. The standard non-diffused needle and seat kit, 237260, includes all OEM parts and has the number 125 stamped on the needle and seat.
Technical Data 3A2799A 15 Technical Data * Sound pressure measured 3.3 feet (1 meter) from equipment. ** Sound power measured per ISO-9614-2. Maximum Working Pressure ..................... 7250 psi (50 MPa, 500 bar) Fluid orifice size ................
All written and visual data contained in this document reflects the latest product information available at the time of publication. Graco reserves the right to make changes at any time without notice. )RUSDWHQWLQIRUPDWLRQVHHZZZJUDFRFRPSDWHQWV 2ULJLQDOLQVWUXFWLRQV This manual contains English.
An important point after buying a device Graco Series A (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 Series A 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 Series A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Graco Series A you will learn all the available features of the product, as well as information on its operation. The information that you get Graco Series A will certainly help you make a decision on the purchase.
If you already are a holder of Graco Series A, 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 Series A.
However, one of the most important roles played by the user manual is to help in solving problems with Graco Series A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Graco Series A 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
