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Manual Graco 257146

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Summary
  • Graco 257146 - page 1

    Repair Disp lacemen t Pu mp 310643T EN 8016A 3300 psi (227 bar , 22.7 MPa) Maximum Working P ressure Model 248204, Series A Ultra r M ax II and Ultimat e Mx I I 695 and 795 ASM Z ip- - S pray t 2700 Plus , 3100 Plus ASM AllPro Mac h 8600 Plus and 1 1000 Plus ASM H2700 Plus Model 255968, Series A ASM 3600G P lus Model 248205, Series A Ultra M ax II ...

  • Graco 257146 - page 2

    2 310643 T able of Contents W arnings 2 ...................................... Service 3 ....................................... T echnical Dat a 15 ................................ Parts, Pump 248204, 255968 16 ............................. 248205, 249057, 249059, 277070, 257146 17 ..... 253056 18 ..................................... W arrant y 2 ...

  • Graco 257146 - page 3

    3 310643 Service Pr essure Relief Pr ocedure W ARNING PRESSURIZED EQUIPMENT H A Z A RD The system pressure must be manually relie ved to preve nt the system from star ting or spraying acc identally . T o reduce t he risk of an injury f rom ac cidental s pray fr om the gun, splashing f luid, or m oving part s, follow t he Pressure Rel ief Proced ure ...

  • Graco 257146 - page 4

    4 310643 Service Repair When Pum p Is Off The Sprayer Disassemb li ng the p ump Fig. 1. Rem ove packing nut (202) and throat adjus t- ment s pacer (228). Fig. 1 7568A 228 ti2332a 202 Fig. 2. Unsc rew intak e valve f rom cy linder . Fig. 2 7569A Fig. 3. Disas semble int ake valve. Clean and inspect . O-r ing (227) m ay require a pic k for r emoval. ...

  • Graco 257146 - page 5

    5 310643 Service W ARNING COMP ONENT RUPTURE HAZ ARD Do not cl ean or wipe the pist on valve threads . Cleaning t he piston v alve thr eads could dest roy t he special sealing patch and c ause the pis ton valv e to com e loose during operat ion, caus ing pump burst ing and possible ser ious bodily injury . Fig. 6. Unsc rew pist on valve f rom pist ...

  • Graco 257146 - page 6

    6 310643 Service Fig. 10. I nstall ball (206) in piston rod. If Loct ite r is ap- plied to pist on valve t hreads, ensure t hat none get s on ball. Fig. 10 206 7575A Fig. 1 1. T ighten pist on valve t o pist on rod as spec ified: Fig. 1 1 T orque t o 27 +/- - 3 ft -l b (248204, 253056, 255968, 277069) T orque t o 55 +/- - 3 ft -l b (248205, 249057, ...

  • Graco 257146 - page 7

    7 310643 Service Fig. 14. G rease pist on packings . Fig. 14 ti7578c CAUTION Do not slide pis ton ass embly int o top of sleeve as this m ay damage pis ton packing. Fig. 15. Slide pis ton ass embly into bot tom of sleeve. Fig. 15 7577A Fig. 16. G rease t op inch or t wo of pist on rod that will go thr ough the cylinder throat packings. 7579A Fig. 1 ...

  • Graco 257146 - page 8

    8 310643 Service Fig. 18. Mar k IV: Inst all o-ring ( 231) on sleeve s pacer (230) and ins tall sleev e spacer on s leeve. Fig. 18 ti7340a 231 230 Fig. 19. Reass emble intak e valve with new o- ring (227), s eat (212) and ball (214). Seat may be flipped over and us ed on other s ide. Clean seat thoroughly . Fig. 19 227 7570f 212 214 Fig. 20. I nsta ...

  • Graco 257146 - page 9

    9 310643 Service Repair W hen Pump Is On The Spr ayer W ARNING SKIN I NJECT IO N HAZARD T o reduce t he risk of serious injury , whenever y ou are instr ucted t o relieve press ure, f ollow the Pressu re Reli ef Pr oce dure on page 3. Fig. 1. Remove in take valve. Fig. 1 ti4258a Fig. 2. Pus h up retaining s pring (26). Fig. 2 26 ti4258a Fig. 3. P u ...

  • Graco 257146 - page 10

    10 310643 Service Fig. 5. Remov e piston r od and sleeve. 7746A Fig. 5 Fig. 5. I nvert piston rod and s leeve and pound on hard surf ace until pis ton rod c omes out of sleev e. Mar k IV: Remove s leeve spacer from s leeve. Fig. 6 7572A ti7339a Fig. 7. Rem ove packing nut (202) 7726A Fig. 7 202 Fig. 8. I nvert piston rod and ins ert int o cylinder ...

  • Graco 257146 - page 11

    11 310643 Service Fig. 10. Remov e piston v alve from piston r od with a wrench. Fig. 10 ti4258a Fig. 1 1. Remov e pin and piston r od from cylinder . Fig. 1 1 ti4258a Fig. 12. Soak all leather pack ings in SAE 30W oil for 1 hour minimum pr ior to assembly . Stac k male gland (204). Alter nately st ack UHMW PE (203) and leat her (223) pac kings (no ...

  • Graco 257146 - page 12

    12 310643 Service Fig. 14. Soak all leather pack ings in SAE 30W oil for 1 hour minimum pr ior to assembly . Stac k male gland (219) on pis ton rod. Alter nately s tack UHMWPE (208) and leather (218) packings (note or ientation) on piston rod. Inst all female gland ( 217). I nstall pis ton wiper (216) and backup washer ( 229) (note orient ation) on ...

  • Graco 257146 - page 13

    13 310643 Service Fig. 19. G rease o-r ing (221) and place on s leeve. S lide sleeve/ piston r od assembly into bott om of cylinder . Re- place o-r ing (207) if desired. Note: O-r ing (207) is not required f or saf e pump opera- tion. Fig. 19 207 221 ti4258a Fig. 21. T orque s eal and packing nut (202) down onto thr oat adjust ment s pacer (228) to ...

  • Graco 257146 - page 14

    14 310643 Service Fig. 23. Reass emble intak e 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 thor oughly . Fig. 23 227 7570f 230 212 214 Fig. 24. I nstall int ake valv e on cylinder . T orque: 70 +/ - - 5 ft -lb (model 248204, 253056, 255968, 277069) 80 +/ - - 5 ft -l ...

  • Graco 257146 - page 15

    15 310643 Service Fig 25 223 203 218 V-Ma x t UHWMPE, blue 208 217 213 214 204 221 224 205 219 215 212 227 222 202 221 216 206 210 Leather Leather 201 220 228 207 V-Ma x t UHWMPE, blue Pump 248204 2 7683d 229 230 T echnical D ata Maxim um working pr essure 3300 psi ............... (227 bar , 22. 7 MPa) Fluid inlet size 1-5/ 16- - 12 un(m ) ........ ...

  • Graco 257146 - page 16

    16 310643 Parts - - Pump 248204, 277069, 255968 Model 248204, Series A; 277069, S eries A ; 255968, Series A Ref No. Part No. Descrip tio n Qty . 201 179810 SEAL, throat 1 202 193046 NUT , packing 1 203* 192692 V -P ACKING , thr oat, 3 V -Max t UHMW PE, blue 204* 15C987 GLAND, m ale, throat 1 205 CYLINDE R, pump 243346 Model 248204, 255968 1 243346 ...

  • Graco 257146 - page 17

    17 310643 Parts - - Pumps 248205, 249057, 249059, 277070, 257146 M o de l 248205, Series A ; 249057, Ser ies A; 249059, Ser ies A; 277070, Series A ; 257146, Series A Ref No. Part No. Descript i on Qty . 201+ 183171 PLUG 1 202 193032 NUT , packing 1 203*+ 193124 V -P ACKING 4 V- M a x t UHMWPE, blue 204*+ 15C989 GLAND, packing, male, t hr oat 1 205 ...

  • Graco 257146 - page 18

    18 310643 Parts - - Pump 253056 Ref No. Part No. Descrip tio n Qty . 201* § 179810 SEAL , throat 1 202 193046 NUT , packing 1 203* § 192692 V -P ACKI NG, t hroat , 3 V -Max t UHMW PE, blue 204* § 15C987 G LAND, male, t hroat 1 205 287876 CYLINDE R, pump 1 206* 105444 BALL, sst , 0.3125 in. (optional) 1 206 § 1 19259 BALL, ceram ic, 0.3125 in. ( ...

  • Graco 257146 - page 19

    19 310643 Notes ...

  • Graco 257146 - page 20

    20 310643 Graco Standard W arranty Graco w arr ants al l equi pment refer enced in t his docum ent whi ch is manufact ured by Graco and beari ng its name to be free f rom defect s in m ater ial and workmanshi p on the date of sale t o the or i ginal purchaser f or use. W it h the exception of any special, extended, or l im it ed warr ant y publi sh ...

Manufacturer Graco Category Marine Sanitation System

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A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Graco 257146 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Graco 257146.

A complete Graco manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Graco 257146 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Graco 257146, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Graco 257146, that we can find in the current document
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5. FAQ - Frequently Asked Questions
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