Graco 16Y598 Repair Manual
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Graco 16Y598 Repair Manual

Displacement pump
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Repair
Displacement Pump
For professional use only.
3300 psi (22.7 MPa, 227 bar) Maximum Working Pressure
Model 16Y598, Series A
UltraMax II and Ultimate MX II 695/795
GMAX II 3900
SL 1250, Mustang 11500
ASM H3150, Storch ST900
Model 16X428, Series A
TexSpray Mark IV
Model 16Y706, Series A
UltraMax II and Ultimate MX II 1095/1595
GMAX II 5900
Model 16X429, Series A
TexSpray Mark V and 5900 HD
TS 1750, ASM H3750, PFT Samba XL
Storch ST 1700/ST 1700
Model 16Y601, Series A
TexSpray Mark VII
Model 16X423, Series A
GMAX II 7900
Model 16X425, Series A
TexSpray Mark X and 7900HD
Important Safety Instructions
Read all warnings and instructions in this
manual. Save these instructions.
+
333028E
EN
ti23116a

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Summary of Contents for Graco 16Y598

  • Page 1 Repair 333028E Displacement Pump For professional use only. 3300 psi (22.7 MPa, 227 bar) Maximum Working Pressure Model 16Y598, Series A UltraMax II and Ultimate MX II 695/795 GMAX II 3900 SL 1250, Mustang 11500 ASM H3150, Storch ST900 Model 16X428, Series A...

  • Page 2: Table Of Contents

    Warnings ....... . . 3 Parts - Pump 16Y598, 16X428 ....15 Service .

  • 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: Service

    To reduce the risk of serious injury from pressurized fluid, never use sharp or pointed tools to remove sleeve. If the sleeve cannot be removed easily, return the sleeve and cylinder to a Graco distributor for removal. NOTE: Remove and clean sleeve when repacking pump.

  • Page 5: Repair When Pump Is Separated From Sprayer

    Service Repair When Pump is Separated 4. Tap piston rod out of cylinder with a hammer or flip over and tap piston rod out against a bench. From Sprayer NOTE: Sleeve may come out of cylinder with piston rod. Disassembling the Pump 1.
  • Page 6 (216) (note orientation) and backup washer (229) on piston valve, threads are good for four repackings. Use thread sealant on piston valve threads after four repackings. used on 16Y598, 16X428 ti7576a 7. Remove packings and glands from piston rod. used on...
  • Page 7 Service 3. Tighten piston valve to piston rod as specified: 6. Grease piston packings. Models Torque 16Y598, 16X428 27 ± 3 ft-lb.(36.6 ± 4.1 N•m) 16Y706, 16X429, 55 ± 3 ft-lb.(74.6 ± 4.1 N•m) 16Y601 16X423, 16X425 100 ± 5 ft-lb.(136 ± 7 N•m)
  • Page 8 12. Install intake valve on cylinder. If a wrench is used torque as follows: Models Torque 16Y598, 16X428 67 ± 5 ft-lb (90.8 ± 6.8 N•m) 16Y706, 16X429, 80 ± 5 ft-lb (108.5 ± 6.8 N•m) ti7340a 16Y601 16X423, 16X425 200 ±...

  • Page 9: Repair When Pump Is On Sprayer

    Service Repair When Pump is On 13. Torque packing nut (202) as follows: Sprayer Models Torque 16Y598, 16X428, 16Y706, 16Y601, 100 ± 10 in-lb 16X429 (11.3 ± 1.1 N•m) 16X423, 16X425 140 ± 10 in-lb (15.8 ± 1.1 N•m) 1. Relieve pressure, page 4.
  • Page 10 Service 4. Push out pin (29). 7. Invert piston rod and sleeve and pound on hard sur- face until piston rod comes out of sleeve. Mark IV and Mark VII models: Remove sleeve spacer from sleeve. ti4258b 5. Disassemble intake valve. Clean and inspect. O-ring (227) may require a pick for removal.
  • Page 11 Alternately stack UHMWPE (203) and leather (223) packings (note orientation). Install female gland (224). Install seal (201) and packing nut (202) and o-ring (228). Not used on 16Y598, ti4258f 16X428 11. Remove piston valve from piston rod with a wrench. ti7573c ti4258g 14.
  • Page 12 NOTE: If thread sealant is applied to piston valve threads, make sure none gets on ball. Install piston valve on piston rod. Torque as follows: Models Torque 16Y598, 16X428 27 ± 3 ft-lb (36.6 ± 4.1 N•m) 16Y706, 16Y601, 55 ± 3 ft-lb (74.6 ± 4.1 N•m) 16X429...
  • Page 13 23. Push in pin (29). ti4258m ti4258j 21. Torque seal and packing nut (202) to the following: Models Torque 16Y598, 16X428, 16Y706, 100 ± 10 in-lb 16Y601, 16X429 (11.3 ± 1.1 N•m) 16X423, 16X425 140 ± 10 in-lb 24. Reassemble intake valve with new o-rings (227) (15.8 ±...

  • Page 14: Pump Packings

    Service Pump Packings 25. Install intake valve on cylinder. Torque as follows: Models Torque 16Y598, 16X428 70 ± 5 ft-lb (94.9 ± 6.8 N•m) 16Y706, 16X429, 80 ± 5 ft-lb (108.5 ± 6.8 N•m) 16Y601 16X423, 16X425 200 ± 10 ft-lb (271.2 ± 13.6 N•m) ™...

  • Page 15: Parts - Pump 16Y598, 16X428

    Parts - Pump 16Y598, 16X428 Parts - Pump 16Y598, 16X428 Ref. Part Description Qty. Ref. Part Description Qty. 15G494 SPACER, sleeve (Model 16X428 only) 201*† 179810 SEAL, throat 193046 NUT, packing * These parts are also included in Repair Kit 248212, which may be 203*†...

  • Page 16: Parts - Pump 16Y706, 16X429, 16Y601

    Parts - Pump 16Y706, 16X429, 16Y601 Parts - Pump 16Y706, 16X429, 16Y601 Ref. Part Description Qty. Ref. Part Description Qty. 16M291 SPACER, sleeve (Model 16Y601 only) 201*† 183171 SEAL, throat 24E027 SPRING, intake, ball (Model 16Y601 193032 NUT, packing only) 203*†...

  • Page 17: Parts - Pump 16X423, 16X425

    Parts - Pump 16X423, 16X425 Parts - Pump 16X423, 16X425 Ref. Part Description Qty. 201*† 112590 SEAL, throat 15E962 NUT, packing 203*† 193722 V-PACKING, throat, V-Max, UHMWPE, blue 204*† 15G658 GLAND, male, throat CYLINDER, pump 16X454 Model 16X423 16X458 Model 16X425 BALL, check 107203* Model 16X423(Stainless steel)

  • Page 18: Technical Data

    Maximum Working Pressure 3300 psi 227 bar, 22.7 MPa Fluid Inlet Size 1-5/16-12 un(m) 1-5/16-12 un(m) Fluid Outlet Size 16Y598, 16X428, 16Y706, 3/8 npt(f) 3/8 npt(f) 16X433, 16Y601, 16429 16X425 1/2 npt(f) 1/2 npt(f) stainless steel, PTFE, leather, nylon, zinc-plated carbon steel, tungsten...

  • Page 19: Notes

    Notes Notes 333028E...

  • 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.

This manual is also suitable for:

16x42816y70616x42916y60116x42316x425

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