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Graco Series A manual

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Table of contents for the manual

  • Page 1

    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. Save all [...]

  • Page 2

    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 ................. 5 Operation .............................. 6 A d j u s tt[...]

  • Page 3

    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. When these symbols appear in the body of this manual or on warning labels, refer back to these Warni[...]

  • Page 4

    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. See Technical Data in all equipment manuals. • Use fluids and solven[...]

  • Page 5

    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. System Requirements Pressure drain valves are recommended in the system;[...]

  • Page 6

    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. Use the lowest pressure possi- ble. 3. Prime the system with the ma[...]

  • Page 7

    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. If the spray tip clogs while spraying 1. Stop spraying immediately. 2. Lock t[...]

  • Page 8

    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. Put the pump intake in a grounded pail of compatible solvent. 4. Start [...]

  • Page 9

    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). Remove the tip guard (9). Unscrew the spring screw (21) about 1/4 in.[...]

  • Page 10

    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). See F IG .9 . 7. Remove the needle (2c). Unscrew the seal retainer (2d) then remove the seal[...]

  • Page 11

    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. Loosely thread both setscrews (17) into the spring guide then alternately and ev[...]

  • Page 12

    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. Ensure there is an e-clip (26) on one end of the trigger pin (18). Slide the pin through lower trigger holes and through the slot (B) in the spring guide (16) -- turn the spring guide to [...]

  • Page 13

    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. 1 25 Ref Part Description Qty 1 --- BODY, gun 1 2 237260 KIT, needle and seat 1 2a --- SEAT, valve [...]

  • Page 14

    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. It is recommended for use with mastics, sealers and other high viscosity mate- rials which have fi[...]

  • Page 15

    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 ............................... 0 . 1 2 5i n .( 3 . 2m m ) I n l e ts i z e ..................................... 3[...]

  • Page 16

    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. )RUSDWHQWLQIRUPDWLRQVHHZZZJUDFRFRPSDWHQWV 2ULJLQDOLQVWUXFWLRQV This manual contains English. MM 3A2799 Graco Headqu[...]