Graco 16X423 Repair Manual Download Page 11 | Manualshive

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Service

333028E

11

10. Insert piston rod into cylinder with pin hole up and

piston valve down. Insert pin into piston rod and
crank shaft.

11. Remove piston valve from piston rod with a wrench.

12. Remove pin and piston rod from cylinder.

13. Soak all leather packings in SAE 30W oil for 1 hour

minimum prior to assembly. Stack male gland (204).
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).

14. Remove packings and glands from piston rod.

ti4258f

ti4258g

ti4258h

201

228

203

224

223

204

202

ti7573c

Not used on
16Y598,
16X428

ti3939a

Not used on
16Y598,
16X428,

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Summary of Contents for 16X423

Page 1: ...8 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 ...

Page 2: ...its 4 Tools Needed 4 Cleaning and Inspecting Parts 4 Repair When Pump is Separated From Sprayer 5 Repair When Pump is On Sprayer 9 Pump Packings 14 Parts Pump 16Y598 16X428 15 Parts Pump 16Y706 16X429 16Y601 16 Parts Pump 16X423 16X425 17 Technical Data 18 Notes 19 Graco Standard Warranty 20 ...

Page 3: ...or modify equipment Alterations or modifications may void agency approvals and create safety hazards Use equipment only for its intended purpose Call your distributor for information Do not use 1 1 1 trichloroethane methylene chloride other halogenated hydrocarbon solvents or fluids containing such solvents Comply with all applicable safety regulations MOVING PARTS HAZARD Moving parts can pinch cu...

Page 4: ...pecting Parts Clean and inspect parts Pay particular attention to the ball seats in the intake valve and piston which must have no nicks or wear and to the inside of the sleeve and the outside of the piston rod which must not be worn or scratched Replace worn or damaged parts NOTE Remove and clean sleeve when repacking pump This equipment stays pressurized until pressure is manually relieved To he...

Page 5: ...p over and tap piston rod out against a bench NOTE Sleeve may come out of cylinder with piston rod 5 Remove piston rod from sleeve or remove sleeve from cylinder Mark IV and Mark VII models Remove sleeve spacer 230 from sleeve ti7566a 228 202 ti7569a ti7570e 233 215 214 212 213 227 ti23115a COMPONENT RUPTURE HAZARD To reduce the risk of serious injury from pressurized fluid do not clean or wipe th...

Page 6: ...ngs in SAE 30W oil for 1 hour minimum prior to assembly Stack male gland 204 on piston rod Alternately stack UHMWPE 208 and leather 218 packings note orientation on piston rod Install female gland 217 Install piston wiper 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 2 Install ball 20...

Page 7: ...ll o ring 228 onto packing nut Loosely install pack ing nut into cylinder 6 Grease piston packings 7 Slide piston assembly into bottom of sleeve 8 Grease top inch or two of piston rod that will go through the cylinder throat packings Models Torque 16Y598 16X428 27 3 ft lb 36 6 4 1 N m 16Y706 16X429 16Y601 55 3 ft lb 74 6 4 1 N m 16X423 16X425 100 5 ft lb 136 7 N m ti7576a ti7573f 203 224 223 204 N...

Page 8: ...pacer on sleeve 11 Reassemble intake valve with new o ring 227 seat 212 and ball 214 Seat may be flipped over and used on other side Clean seat thoroughly NOTE Spring 233 only used on 16Y601 16X423 and 16X425 12 Install intake valve on cylinder If a wrench is used torque as follows 221 207 ti7582a ti7340a 231 230 Models Torque 16Y598 16X428 67 5 ft lb 90 8 6 8 N m 16Y706 16X429 16Y601 80 5 ft lb 1...

Page 9: ...ge stops or lessens This allows approximately 100 gallons of additional operation before a repacking is required Repair When Pump is On Sprayer 1 Relieve pressure page 4 2 Remove intake valve 3 Push up retaining spring 26 Models Torque 16Y598 16X428 16Y706 16Y601 16X429 100 10 in lb 11 3 1 1 N m 16X423 16X425 140 10 in lb 15 8 1 1 N m ti7568a 202 228 ti4258c ti4258a 26 ...

Page 10: ...6X425 6 Remove piston rod and sleeve 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 8 Remove packing nut 202 9 Invert piston rod and insert into cylinder to force out throat packings 29 26 ti4258b 233 215 214 212 213 227 ti23115a ti7746a ti7572a 202 ti7726a ti4258e ...

Page 11: ...cylinder 13 Soak all leather packings in SAE 30W oil for 1 hour minimum prior to assembly Stack male gland 204 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 14 Remove packings and glands from piston rod ti4258f ti4258g ti4258h 201 228 203 224 223 204 202 ti7573c Not used on 16Y598 16X428 ti3939a N...

Page 12: ...iston valve threads make sure none gets on ball Install piston valve on piston rod Torque as follows 17 Grease piston packings 18 Slide piston assembly into bottom of sleeve Make sure V packing and u cup are not rolled over or damaged Mark IV and Mark VII models Install o ring 231 on sleeve spacer 230 Install sleeve spacer on sleeve 19 Grease top inch or two of piston rod that will go through the ...

Page 13: ... reduces This allows approxi mately 100 gallons of additional operation before a repacking is required 22 Push up retaining spring 26 with screwdriver 23 Push in pin 29 24 Reassemble intake valve with new o rings 227 and 230 seat 212 and ball 214 Seat may be flipped over and used on other side Clean seat thoroughly NOTE Spring 233 only used on 16Y601 16X423 and 16X425 Models Torque 16Y598 16X428 1...

Page 14: ...8 16X428 70 5 ft lb 94 9 6 8 N m 16Y706 16X429 16Y601 80 5 ft lb 108 5 6 8 N m 16X423 16X425 200 10 ft lb 271 2 13 6 N m ti4258n ti7683d 223 203 218 208 217 213 214 204 221 224 205 219 215 212 227 222 202 221 216 206 210 Leather Leather 201 220 228 207 229 230 V Max UHWMPE blue V Max UHWMPE blue Pump 16Y706 ...

Page 15: ...E ball 1 192624 Model 16Y598 196967 Model 16X428 216 118503 WIPER piston 1 217 178969 GLAND female piston 1 218 178939 V PACKING leather piston 2 219 196880 GLAND male piston 1 220 248209 SLEEVE cylinder 1 221 108526 O RING ptfe 2 222 ROD piston 1 248206 Model 16Y598 249969 Model 16X428 223 178940 V PACKING leather throat 2 224 15C988 GLAND female throat 1 227 O RING ptfe 1 107079 Model 16Y598 108...

Page 16: ...del 16Y706 196967 Model 16X429 16M658 Model 16Y601 216 118504 WIPER piston Model 16X429 16Y601 1 217 183185 GLAND female piston 1 218 15E329 V PACKING UHMWPE piston 3 219 183178 GLAND male piston 1 220 248210 SLEEVE cylinder 1 221 107098 O RING ptfe 2 222 ROD piston 1 248207 Model 16Y706 249028 Model 16X429 241285 Model 16Y601 223 183175 V PACKING leather throat 3 224 15C990 GLAND female throat 1 ...

Page 17: ... 215 GUIDE ball 1 198505 Model 16X423 193391 Model 16X425 216 119636 WIPER piston 1 217 189588 GLAND female piston 1 218 V PACKING UHMWPE piston 3 15E639 16X423 16X425 219 189585 GLAND male piston 1 220 249121 SLEEVE cylinder 1 221 108822 O RING ptfe 2 222 ROD piston 1 249119 Model 16X423 288103 Model 16X425 223 112591 V PACKING leather throat 3 224 15G657 GLAND female throat 1 227 107098 O RING p...

Page 18: ...7 MPa Fluid Inlet Size 1 5 16 12 un m 1 5 16 12 un m Fluid Outlet Size 16Y598 16X428 16Y706 16X433 16Y601 16429 3 8 npt f 3 8 npt f 16X425 1 2 npt f 1 2 npt f Wetted Parts stainless steel PTFE leather nylon zinc plated carbon steel tungsten carbide chrome plating fluoroelastomer acetal polyethylene ...

Page 19: ...Notes 333028E 19 Notes ...

Page 20: ...ot disclose any defect in material or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE Graco s sole obligation and buyer s sole remed...

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