Instruction/ maintenance manual of the product 248205 Graco
Go to page of 20
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 P.
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 .
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 .
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.
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 .
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.
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.
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.
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.
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.
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 .
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).
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.
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 .
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 .
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 2.
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.
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.
19 310643 Notes.
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.
An important point after buying a device Graco 248205 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Graco 248205 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Graco 248205 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Graco 248205 you will learn all the available features of the product, as well as information on its operation. The information that you get Graco 248205 will certainly help you make a decision on the purchase.
If you already are a holder of Graco 248205, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Graco 248205.
However, one of the most important roles played by the user manual is to help in solving problems with Graco 248205. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Graco 248205 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
