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Repair
ProConnect Endurance
Displacement Pump
For repair of ProConnect Endurance Displacement Pump. For professional
use only.
Models: 17C487, 17C488, 17C489, 17C721, 17M992, 24Z731, 19Y298, 19B732, 19D873
Important Safety Instructions
Read all warnings and instructions in this manual and related manuals.
Be familiar with the controls and the proper usage of the equipment.
Save these instructions.
Use only genuine Graco replacement parts.
The use of non-Graco replacement parts may void warranty.
334599L
EN
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Table of Contents
Related Manuals for Graco 19D873
Summary of Contents for Graco 19D873
- Page 1 Displacement Pump For repair of ProConnect Endurance Displacement Pump. For professional use only. Models: 17C487, 17C488, 17C489, 17C721, 17M992, 24Z731, 19Y298, 19B732, 19D873 Important Safety Instructions Read all warnings and instructions in this manual and related manuals. Be familiar with the controls and the proper usage of the equipment.
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Page 2: Table Of Contents
Technical Specifications ........22 Graco Standard Warranty ........23 Graco Information . -
Page 3: Warnings
Use Graco conductive or grounded high-pressure airless paint sprayer hoses. - Page 4 • Check hoses and parts for signs of damage. Replace any damaged hoses or parts. • This system is capable of producing 3300 psi. Use Graco replacement parts or accessories that are rated a minimum of 3300 psi. • Always engage the trigger lock when not spraying. Verify the trigger lock is functioning properly.
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Page 5: Pressure Relief
Pressure Relief Pressure Relief Pressure Relief Procedure Trigger Lock Always engage the trigger lock when sprayer is stopped to prevent the gun from being triggered accidentally by hand or if dropped or bumped. This equipment stays pressurized until pressure is manually relieved. To help prevent serious injury from pressurized fluid, such as skin injection, splashed fluid and moving parts, follow the... - Page 6 Pressure Relief Turn the ON/OFF switch to OFF posi- Turn pressure control to the lowest set- tion. Wait 7 seconds for power to dissi- ting. Disengage trigger lock. pate. ti24852a Unplug power cord or shut engine off. For LineLazer ES 1000, unplug power cord and disconnect battery.
- Page 7 Pressure Relief Hold a metal part of the gun firmly to a Open any fluid drain valves in system. grounded metal pail. Trigger the gun to Leave drain valves open until ready to relieve pressure. spray again. ti24608a ti24585a Engage the trigger lock. ti24855a LineLazer ES 1000 334599L...
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Page 8: Pump Removal
Pump Removal Pump Removal Pump removal includes disconnecting the Disconnect outlet hose and suction fluid inlet and outlet and removing the pump. hose from pump. Use a hammer to loosen pump retaining nut. ti27248a Turn pump retaining nut to free pump rod cover. -
Page 9: Repair
Repair Repair Disassemble Pump Dissemble intake valve. Clean and inspect. O-ring may require a pick for removal. Remove packing nut and throat adjustment spacer. Retaining nuts are NOTICE not removable and not sold separately. If using a pick to remove the O-ring use care to avoid damage to the machined surfaces. - Page 10 Repair Clean and inspect parts. The piston has a special thread locking/sealing For Model 19Y298 Only: patch. Apply thread sealant to the Remove piston rod from sleeve, or threads, if needed. remove sleeve from cylinder if only rod was removed in previous step. Ensure o-ring inside cylinder is removed.
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Page 11: Assemble Pump
Repair Assemble Pump Remove and discard throat packing and glands from the cylinder. Soak leather packings in SAE 30W oil for one hour before assembly. Leather Packings ti24890a Leather Packings ti24880a ti24893a 334599L... - Page 12 Repair Install ball in piston rod. If thread seal- Assemble leather throat packings ant is applied to piston valve threads, soaked earlier. ensure that none gets on the ball. Leather Packings ti24893a Loosely install packing nut with o-ring ti24891a onto cylinder. Torque to 27 ±...
- Page 13 Repair Apply liberal amounts of grease or oil For Model 19Y298 Only: Slide piston to piston packings. assembly (with force) into bottom of sleeve. ti24895a Grease top inch or two of piston rod that will go through the cylinder throat packings.
- Page 14 Repair 10. For Model 19Y298 Only: Grease 12. Clean seat thoroughly. Reassemble o-rings (231 and 219) and place on intake valve with a seat, ball, and new sleeve (232). Slide sleeve/piston rod o-ring. Seat may be flipped over and assembly into bottom of cylinder. used on other side.
- Page 15 Repair 14. Install o-ring onto packing nut. Torque 15. Storage to 75 ± 5 in-lb (8.5 ± 0.5 N•m) or addi- tional 1/2 turn from hand tight. ti24901a ti24900a 334599L...
- Page 16 Repair Throat Packing Adjustment This equipment stays pressurized until pressure is manually relieved. To help prevent serious injury from pressurized fluid, such as skin injection, splashed fluid and moving parts, follow the Pressure Relief Procedure whenever sprayer is stopped and before sprayer is cleaned or checked, and before equipment is serviced.
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Page 17: Pump Installation
Pump Installation Pump Installation Pump installation includes securing the Close pump rod cover. Make certain pump and connecting to the fluid inlet and that it is flush against drive housing. outlet. Connect outlet hose to pump. ti24087a Use both hands to tighten pump retain- ti24086a ing nut. -
Page 18: Parts
Parts Parts Models 17C487, 17C488, 17C489, 17C721, 17M992, 24Z731, 19D873 334599L... -
Page 19: Parts List
Parts Parts List Models 17C487, 17C488, 17C489, 17C721, 17M992, 24Z731, 19D873 Ref. Part Description Qty. Ref. Part Description Qty. 218*❖ 105445 BALL, sst, 0.5000 in. 24W617 ROD, displacement, 219* 17V093 PACKING, o-ring includes 212 220* 160516 O-RING 202* 180656 BUTTON, plug... -
Page 20: Parts
Parts Parts Model 19Y298, 19B732 334599L... -
Page 21: Parts List
Parts Parts List Models 19Y298, 19B732 Ref. Part Description Ref. Part Description 221* 176755 V-PACKING, leather, 19Y268 ROD, displacement, throat includes 212 222* 192710 V-PACKING, throat, 202* 180656 BUTTON, plug 193047 NUT, packing V-Max 204* 176757 GLAND, female, throat UHMWPE, blue 205* 176754 GLAND, male throat 223*... -
Page 22: Technical Specifications
Technical Specifications Technical Specifications PC Displacement Pump Metric Maximum fluid working pressure 3300 psi 228 bar, 22.8 MPa Inlet/Outlet Sizes Fluid inlet size 1.0 in. diameter Fluid outlet size 1/4 in. Wetted materials on all models stainless steel, PTFE, leather, nylon, zinc-plated and nickel-plated carbon steel, tungsten carbide, chrome plating, UHMWPE, acetal, polyethylene, nylon 334599L... -
Page 23: 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 warranty applies only when the equipment is installed, operated and maintained in accordance with Graco’s written recommendations. -
Page 24: Graco Information
For the latest information about Graco products, visit www.graco.com. For patent information, see www.graco.com/patents. TO PLACE AN ORDER, contact your Graco distributor or call 1-800-690-2894 to identify the nearest distributor. All written and visual data contained in this document reflects the latest product information available at the time of publication.