Graco A Series Instructions-Parts List Manual
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Graco A Series Instructions-Parts List Manual

Graco A Series Instructions-Parts List Manual

Pistol–grip mastic flo–gun
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Instructions–Parts List
Pistol–Grip Mastic Flo–Gun
For spraying highly filled texture materials.
4050psi (27.6 MPa, 276 bar) Maximum Working Pressure
Model 224990, Series A; Model 289670
With Diffuser,
Includes RAC X Tip: 224990–LTX535, 289670–HDA535
Model 224991, Series A; Model 289671
Without Diffuser
Includes RAC X Tip: 224991–LTX535, 289671–HDA535
D Both guns include RAC X tip guard
D Both guns have 7/8–14 UNF nozzle threads.
D Both guns include two inlet adapters:
a 1/2 npt to 1/2 npsm(f) straight swivel and
1/2 npt(f) to 3/8 npt(f). Use the appropriate
one for your hose fittings.
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
308206E
ENG

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Summary of Contents for Graco A Series

  • Page 1 Instructions–Parts List Pistol–Grip Mastic Flo–Gun 308206E For spraying highly filled texture materials. 4050psi (27.6 MPa, 276 bar) Maximum Working Pressure Model 224990, Series A; Model 289670 With Diffuser, Includes RAC X Tip: 224990–LTX535, 289670–HDA535 Model 224991, Series A; Model 289671 Without Diffuser Includes RAC X Tip: 224991–LTX535, 289671–HDA535 D Both guns include RAC X tip guard...

  • Page 2: Safety Warnings

    SAFETY WARNINGS HIGH PRESSURE SPRAY CAN CAUSE SERIOUS INJURY. FOR PROFESSIONAL USE ONLY. OBSERVE ALL WARNINGS. Read and understand all instruction manuals before operating the equipment. FLUID INJECTION HAZARD General Safety Spray Tip Safety This is a high pressure dispensing gun. Fluid dispensed under Use extreme caution when cleaning or changing spray tips.

  • Page 3: Fire Or Explosion Hazard

    EQUIPMENT MISUSE HAZARD General Safety System Pressure Any misuse of the spray equipment or accessories, such as DO NOT exceed 4050 psi (276 bar) MAXIMUM WORKING overpressurizing, modifying parts, using incompatible chemi- PRESSURE to the spray gun. Be sure all spray equipment and cals and fluids, or using worn or damaged parts, can cause accessories used are rated to withstand the this pressure.

  • Page 4: Operation

    OPERATION WARNING Check for proper spring tension: See Adjusting the spring tension on page 5. To reduce the risk of serious bodily injury, including fluid injection, splashing in the eyes or on the skin, To engage the gun’s safety latch: or injury from moving parts, always follow the Pres- Tip the gun forward and fully release the trigger.
  • Page 5 SERVICE NOTE: The numbers in parentheses in the text refer to reference numbers in the parts drawings and list. Adjusting the spring tension. See Fig 3. WARNING Proper spring tension ensures that the fluid flow stops when the trigger is released, to reduce the risk of injury from fluid injection.
  • Page 6 SERVICE Valve seat and stem replacement Inspecting the valve for obstruction or damage. See Fig 5. If fluid continues to flow after the trigger is released, the gun valve may be obstructed or need adjustment. The 1. Relieve pressure. See page 2. valve stem (28) or valve seat (27) may be worn or dam- aged.

  • Page 7: Parts Drawing

    PARTS DRAWING 1/2 npt(m) 1/2(f) x 3/8(f) 1/2(f) x 1/2(f) SWVL PARTS LIST Model 224990, Series A, with Diffuser; Model 289670 (HDA535) Model 224991, Series A, without Diffuser Model 289671 (HDA535) NO. PART NO. DESCRIPTION NO. PART NO. DESCRIPTION 100975 NUT, hex, No.

  • Page 8: Technical Data

    ACCESSORIES TECHNICAL DATA Must be purchased separately. Maximum working pressure ..4050 psi (276 bar) Inlet port size ......12/ npt(m) PTFE PACKING CONVERSION KIT 223932 Outlet port size...
  • Page 9 308206...

  • Page 10: Graco Standard Warranty

    Graco distributor to the original purchaser for use. 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:

224990289670224991289671

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