Graco 253596 Instructions-Parts List Manual
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Graco 253596 Instructions-Parts List Manual

Stainless steel 1000cc lower
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Instructions - Parts List
Stainless Steel
1000cc Lower
Designed for low to medium pressure, medium volume circulation of finishing materials.
Important Safety Instructions
Read all warnings and instructions in your 1000cc
Dura-Flo Pump manual 311833. Save these instructions.
See page 2 for Table of Contents.
Model 253596, Series A
Stainless Steel
660 psi (4.55 MPa, 45.5 bar) Maximum Working Pressure
Patent Pending
Contents
Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pressure Relief Procedure . . . . . . . . . . . . . . . . . 4
Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Before you start . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Graco Standard Warranty . . . . . . . . . . . . . . . . . . . 12
Graco Information . . . . . . . . . . . . . . . . . . . . . . . . . 12
311716B
TI8336a
II 2 G

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Summary of Contents for Graco 253596

  • Page 1: Table Of Contents

    Graco Standard Warranty ....12 Graco Information ......12...

  • Page 2: Warnings

    Warnings 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 symbol refers to procedure-specific risk. Refer back to these warnings. Additional, product-specific warnings may be found throughout the body of this manual where applicable.
  • Page 3 Warnings WARNING MOVING PARTS HAZARD Moving parts can pinch or amputate fingers and other body parts. • Keep clear of moving parts. • Do not operate equipment with protective guards or covers removed. • Pressurized equipment can start without warning. Before checking, moving, or servicing equipment, follow the Pressure Relief Procedure in this manual.

  • Page 4: Operation

    Operation Operation Pressure Relief Procedure 1. Engage trigger lock. 2. Air-Powered Pumps only: Close the bleed-type master air valve. Hydraulic-Powered Pumps only: Close the hydraulic supply line valve first, then the return line valve. 3. Disengage the trigger lock. 4. Hold a metal part of the gun firmly to a grounded metal pail.

  • Page 5: Repair

    Repair Repair 6. Remove the screws (5) from the packing retainer (2). Remove the packing retainer. • To service the pump assembly, see manual 311833. 7. Screw the tie bolts (4) out of the intake housing (18). • To service the air motor, see manual 311238. 8.
  • Page 6 Repair d. Place the o-ring (20*) onto the valve seat (13). 4. Place the cylinder (17†) on the intake valve housing (18). e. Use a 2-1/2 in. hex wrench to install the valve 5. Lubricate the displacement rod assembly and slide seat (13) into the displacement rod (1†).
  • Page 7 Repair † Apply anti-seize lubricant to piston outer † diameter and all packings. Torque to 57-63 ft-lb (42-46 N•m). Apply medium strength threadlocker. Torque to 75-80 ft-lb (55-59 N•m). Rounded side up. † Lips of v-packings must face down. Leave a 0.020-0.050 in. (0.508-1.27 mm) gap in bearing seam TI8391a 311716B...

  • Page 8: Parts

    Parts Parts † † † † † TI8334a1 Apply anti-seize lubricant to piston outer diameter and all packings. Torque to 57-63 ft-lb (42-46 N•m). Apply medium strength threadlocker. Torque to 75-80 ft-lb (55-59 N•m). Rounded side up. Lips of v-packings must face down. Leave a 0.020-0.050 in.
  • Page 9 Parts Part 253596, Stainless Steel Lower Ref. Part Description 206451 PISTON, displacement † 207171 RETAINER, assy, bearing 100063 PIN, cotter † 102215 SCREW, cap, hex hd 102471 SCREW, cap, hex hd 166053 PIN, str hdls † 166054 PIN, str hdls...

  • Page 10: Technical Data

    Technical Data Technical Data Maximum Fluid Working Pressure ....660 psi (4.55 MPa, 45.5 bar) Wetted parts........303 and 304 Grades Stainless Steel, PTFE, Carbon-filled PTFE Outlet Housing Mounting Hole Layout 3.464 in.

  • Page 11: Dimensions

    Dimensions Dimensions TI8336a Weight (Height) (approx) in. (mm) (Inlet) (Outlet) lb (kg) 18.5 (470) 1-1/2 in. npt(f) 2 in. npt(f) 50 (22.5) 311716B...

  • Page 12: 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.

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