Graco XHF A Series Instructions Manual
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Graco XHF A Series Instructions Manual

Graco XHF A Series Instructions Manual

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Instructions
™
XHF
For spraying viscous materials at high flow rates. For professional use only.
262854, Series A
™
Includes an XHD
RAC
7250 psi (50 MPa, 500 bar) Maximum Working Pressure
26C793, Series A
™
Includes an XHD
RAC
7250 psi (50 MPa, 500 bar) Maximum Working Pressure
Important Safety Instructions
Read all warnings and instructions in this
manual before using the equipment. Save
these instructions.
Important Medical Information
Read the medical alert card provided with
the gun. It contains injection injury
treatment information for a doctor. Keep it
with you when operating the equipment.
Spray Gun
®
Guard and XHD429 SwitchTip
®
Guard and XHD429 SwitchTip
262854
™
™
26C793
3A2799D
EN
ti19264a
II 2 G Ex h IIB T6 Gb

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Summary of Contents for Graco XHF A Series

  • Page 1 Instructions ™ Spray Gun 3A2799D For spraying viscous materials at high flow rates. For professional use only. 262854, Series A 262854 ™ ® ™ Includes an XHD Guard and XHD429 SwitchTip 7250 psi (50 MPa, 500 bar) Maximum Working Pressure 26C793, Series A ™...

  • Page 2: Table Of Contents

    Gun Care ......9 Graco Information ......18 Flushing .

  • Page 3: Warnings

    Warnings Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclamation 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 Warnings. Product-specific hazard symbols and warnings not covered in this section may appear throughout the body of this manual where applicable.
  • Page 4 Warnings WARNING 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 component.

  • Page 5: Component Identification

    Component Identification Component Identification Socket Head Set screw Gun Body Spring Valve Seat Adjusting Screw Gasket Fluid Housing Needle Pivot Pin Seal Retainer Gun Trigger Seal E-Clip SwitchTip Swivel Tip Guard Trigger Pin Hex Screw Fluid Hose Set screw Trigger Lock Spring Guide 3A2799D...

  • Page 6: Setup

    Setup Setup System Requirements Pressure drain valves are recommended in the system. Pressure drain valves assist in relieving fluid pressure in the displacement pump, hose and gun in the event that the gun is clogged and triggering the gun does not relieve all pressure.

  • Page 7: Operation

    Operation Operation Pressure Relief Procedure Gun Trigger Lock 1. To engage the gun trigger lock, rotate the lock so it Follow the Pressure Relief Procedure whenever is perpendicular to the gun body. See F . 1. you see this symbol. 2.

  • Page 8: Tip Guard Installation And Removal

    Operation Tip Guard Installation and 6. Start the pump. Trigger the gun onto test paper. Adjust the fluid pressure until the spray is Removal completely atomized. NOTE: Use the lowest pressure necessary to get the desired results. Higher pressure may not improve the spray pattern and will cause premature tip and pump wear.

  • Page 9: Gun Care

    Operation Clean the Spray Tip / Clear Clogs 4. The spray tip orifice and spray angle determines the coverage and size of pattern. When more coverage 1. Engage the gun trigger lock. is needed, use a larger spray tip rather than increasing fluid pressure.

  • Page 10: Flushing

    Operation Flushing NOTICE Always flush the pump and gun before the sprayed fluid cures. NOTE: This procedure requires a grounded pail of compatible flushing fluid. 1. Follow the Pressure Relief Procedure, page 7. To reduce the risk of serious injury, including splashing fluid in the eyes or on the skin, or static 2.

  • Page 11: Maintenance

    Maintenance Maintenance 4. Remove one e-clip (U) then push the pin (W) out of the gun. Remove the screw (H), pivot pin (S), and trigger (T). To reduce the risk of serious injury from fluid injection or splashing, always follow the Pressure Relief Procedure on page 7 before servicing the gun.

  • Page 12: Reassemble The Gun

    Maintenance 7. Remove the needle (D). Unscrew the seal 3. Place the gasket (C) on the valve seat (B). Grease retainer (E) then remove the seal (F). the threads of the valve seat (B) then install into the fluid housing (R). Torque to 20-25 ft-lb (27-34 N•m). ti19275a 8.

  • Page 13: Test The Gun After Service

    Maintenance 6. Push the fluid housing (R) onto the gun body (A) 8. If it was removed, install the spring tension screw until fully seated. Apply medium strength thread (Q) at the rear of the gun. Then turn the screw in locking compound to set screw (L).

  • Page 14: Parts

    Parts Parts 262854 ti19282a Must install as shown with the notch on the bottom. Ref Part Description Ref Part Description 189990 ADJUSTER, spring BODY, gun 110637 SCREW, adjusting 237260 KIT, needle and seat 16P780 HOUSING, fluid SEAT, valve 187965 PIN, pivot GASKET 189974 TRIGGER, gun NEEDLE...

  • Page 15: 26C793

    Parts 26C793 Must install as shown with the notch on the bottom. Ref. Part Description Qty. Ref. Part Description Qty. 110637 SCREW, adjusting BODY, gun 26C792 HOUSING, fluid 237260 KIT, needle and seat 187965 PIN, pivot SEAT, valve GASKET 189974 TRIGGER, gun NEEDLE 235468...

  • Page 16: Accessories

    Parts Accessories 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 To reduce the risk of component rupture, and stamped on the needle and seat.

  • Page 17: Technical Specifications

    Technical Specifications Technical Specifications XHF Spray Gun Metric Maximum working pressure 7250 psi 50 MPa, 500 bar Length 8.25 in. 21 cm Height 7 in. 17.8 cm Fluid orifice size 0.125 in. 0.3 cm Noise (dBa) Maximum sound pressure 84 dB(A) @ 6000 psi (41 MPa, 414 bar) Maximum sound power 93 dB(A) @ 6000 psi (41 MPa, 414 bar) Sound pressure measured 3.3 feet (1 meter) from equipment.

  • Page 18: Graco Standard Warranty

    With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.

This manual is also suitable for:

26285426c793

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