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Instructions-Parts List
Displacement Pump
For professional use only.
3600 psi (250 bar, 24.8 MPa) Maximum Working Pressure
Model 239923, Series A
UltraMax and Ultimate MX 795/1095
GMAX and GM 3900
Model 240291, Series A
UltraMax and Ultimate MX 1595
GMAX and GM 5900
GMAX 10000
Model 240917, Series A
GMAX and GM 7900
Model 240800, Series A
GMAX 5900HD and Mark V
Model 243344, Series A
LineLazer II 3900
Model 243345, Series A
LineLazer II 5900
Important Safety Instructions
Read all warnings and instructions in this
manual. Save these instructions.
308798ZAA
EN
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Summary of Contents for Graco 239923
- Page 1 Instructions-Parts List Displacement Pump 308798ZAA For professional use only. 3600 psi (250 bar, 24.8 MPa) Maximum Working Pressure Model 239923, Series A UltraMax and Ultimate MX 795/1095 GMAX and GM 3900 Model 240291, Series A UltraMax and Ultimate MX 1595...
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Page 2: Table Of Contents
Technical Data ......19 Parts - Pump 239923, 243344 ....15 Graco Standard Warranty . - Page 3 Warnings WARNING PERSONAL PROTECTIVE EQUIPMENT Wear appropriate protective equipment when in the work area to help prevent serious injury, including eye injury, hearing loss, inhalation of toxic fumes, and burns. This protective equipment includes but is not limited to: • Protective eyewear, and hearing protection.
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Page 4: Service
If the sleeve cannot be removed easily, return the sleeve and cylinder to a Graco distributor for removal. b. Loosen nut or coupling completely. NOTE: Remove and clean sleeve when repacking pump. - Page 5 Service Repair When Pump is Separated From Sprayer Disassembling the Pump 4. Tap piston rod out of cylinder with a hammer or flip over and tap piston rod out against a bench. 1. Remove packing nut (202) and throat adjustment spacer (228).
- Page 6 Service 8. Remove throat packings and glands from cylinder. Discard throat packings and glands. Not used on 239923, COMPONENT RUPTURE HAZARD 243344 & To reduce the risk of serious injury from pressurized 243345 fluid, do not clean or wipe the piston valve threads.
- Page 7 6. Grease piston packings. ti7575a 3. Tighten piston valve to piston rod as specified: Models Torque 239923 27 +/-3 ft-lb. 240291, 240800 55 +/-3 ft-lb. 240917 55 +/-5 ft-lb. ti7578c NOTICE Do not slide piston assembly into top of sleeve as this may damage piston packing.
- Page 8 8. Grease top inch or two of piston rod that will go 11. Install intake valve on cylinder. If a wrench is used through the cylinder throat packings. torque as follows: Models Torque 239923 67 +/- 5 ft-lb 240291 & 240800 80 +/- 5 ft-lb 240917 150 +/- 5 ft-lb ti7579a 9.
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Page 9: Notes
Notes Notes 308798ZAA... - Page 10 Notes Repair When Pump is On Sprayer 5. Disassemble intake valve. Clean and inspect. O-ring (227) may require a pick for removal. 1. Perform Pressure Relief Procedure, page 4. 2. Remove intake valve. ti4258c ti23115a 6. Remove piston rod and sleeve. 3.
- Page 11 (note orientation). Install female gland (224). Install seal (201) and packing nut (202) and throat adjustment spacer (228). Not used on 239923, 243344 & 243345 ti4258e 10. Insert piston rod into cylinder with pin hole up and piston valve down.
- Page 12 Use thread sealant on piston valve threads after four repackings. ti7578c Not used on NOTICE 239923, 243344 & Do not slide piston assembly into top of sleeve as this 243345 may damage piston packing.
- Page 13 21. Use screwdriver to push retaining spring (26) up. ti23115a 24. Install intake valve on cylinder. Torque as follows: Models Torque 239923 67 +/- 5 ft-lb 240291 & 240800 80 +/- 5 ft-lb 240917 150 +/- 5 ft-lb ti4258k 22.
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Page 14: Pump Packings
Pump Packings Pump Packings Pump 240291 & 240917 ™ V-Max UHWMPE,blue Leather Pump 240291 & 240917 Leather ™ V-Max UHWMPE,blue 308798ZAA... -
Page 15: Parts - Pump 239923, 243344
Parts - Pump 239923, 243344 Parts - Pump 239923, 243344 Model 239923, Series A Carbon Steel Displacement Pump Ref. Part Description 179810 SEAL, throat 193046 NUT, packing 203* 192692 V-PACKING, throat, V-Max™, UHMWPE, blue 204* 178942 GLAND, male, throat, 240522... -
Page 16: Parts - Pump 240291, 243345
Parts - Pump 240291, 243345 Parts - Pump 240291, 243345 Model 240291, Series A Carbon Steel Displacement Pump Ref. Part Description 183171 PLUG 193032 NUT, packing 203* 193124 V-PACKING, V-Max™, UHM- WPE, blue 204* 183176 GLAND, packing, male, throat 240520 CYLINDER, pump (240291) 243347 CYLINDER, pump (243345) 206* 101947 BALL, sst, 0.3750 in. -
Page 17: Parts - Pump 240917
Parts - Pump 240917 Parts - Pump 240917 Model 240917, Series A Carbon Steel Displacement Pump Ref. Part Description 112590 PLUG 189589 NUT, packing 203* 193722 V-PACKING, V-Max™, UHM- WPE, blue 240920 CYLINDER, pump 206* 107203 BALL, sst, 0.5625 in. 207* 107306 PACKING, o-ring 209*... -
Page 18: Parts - Pump 240800
Parts - Pump 240800 Parts - Pump 240800 Model 240800, Series A Carbon Steel Displacement Pump Ref. Part Description 183171 PLUG 193032 NUT, packing 203* 193124 V-PACKING, V-Max™, UHM- WPE, blue 204* 183176 GLAND, packing, male, throat 241334 CYLINDER, pump 206* 101947 BALL, sst, 0.3750 in. -
Page 19: Technical Data
Technical Data U.S. Metric Maximum Working Pressure 3600 psi 250 bar, 24.8 MPa Fluid Inlet Size 3/4 npt(f) 3/4 npt(f) 239923 & 240291 1 npt(f) 1 npt(f) 240917 &240800 Fluid Outlet Size 1/4 npt(f) 1/4 npt(f) 239923 3/8 npt(f) 3/8 npt(f) 240291, 240217 &... -
Page 20: 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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