Instruction/ maintenance manual of the product 288466 Hitachi
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Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441 Copyright 2007, Graco Inc. is r egistered to I. S. EN ISO 9001 311845C Instr uctions Displacement Pump - For portable spray application of architectural pai nts and coatings - Model 288466, 28846 7, 288468, 288819 3300 psi (22.
Warnings 2 311845C Wa r n i n g s The f ollo wing warnings are f or the setup , use, g rounding, maintenan ce, and repair of this equipment. The e xclama - tion point symbol alerts you to a gener al warning and the hazar d symbol ref ers to procedure-specif ic risk.
Service 311845C 3 Service Pressure Relief Pr ocedure 1. Engage tr igger lock. 2. T ur n engine O N/OFF switch to OFF . 3. Mov e pump switch to OFF and t ur n pressu re control knob fully clockwise. 4. Unlock trigger lock. Hold me tal par t of gun fir mly to side of grounde d metal pail and trigger gun to relie ve pressure.
Repair 4 311845C Repair See y our spra yer inst ruction manual f or complete instructions fo r removing and installing the pump in your spra yer . Disassembl y 1. (Fig. 1) Remove pac kin g nut (3). F IG . 1 2. (Fig. 2) Unscrew inta k e valv e from cylinder .
Repair 311845C 5 6. (Fig. 6) Unscre w piston valv e (6) from piston rod (5). Clean and inspect parts. The piston has a special thread locking/sealing patch. Do not remove the patch. The patch allo ws f or disassembly/assemb ly procedures bef ore it is necessary to apply Loctite ® to the thre ads.
Repair 6 311845C Reassembl y Note: For steps 1-4 refer to Fig. 9. 1. Stac k male gland (7) on piston rod (5) . 2. Alternately stac k blue UHMWPE (8) and bro wn UHMWPH (9) (288466, 288467, 2884680 ) or leather (288819) packin gs on piston rod. Note orientation.
Repair 311845C 7 7. Soak all leather pa ckings in SAE 30W oil f or 1 hour minimum prior to assemb ly . Note: F or steps 8-10 ref er to Fig. 12. 8. Place male gland (20) in cylinder . 9. Alternately stac k UHMWPE (21) and leather pac k- ings (22). Note or ient ation.
Repair 8 311845C 14. (Fig. 16) Reassemb ly intake v alve with ne w o-ring (17), seat ( 16) and ball ( 19). Seat m a y be flipped ov er and used on the other side. Clean seat thor- oughly . F IG . 16 15. (Fig. 17) Install intake v a lv e on cylinder . T orque to: 200 +/- 5 ft-lb (271 +/ - 7 N• m) 288467/288468, 2888 19.
Parts 311845C 9 Pa r t s Model 288467/288468 * Included in Repair Kit 287813 † Included in Repair Kit 240918 ti8826a 24 3 25 23 8 21 20 5 11 12 13 6 2 15 14 4 14 18 19 16 17 1 26 7 8 9 10 Ref P ar t.
Parts 10 311845C Model 288466 *Included in Repair Kit 288471 †Included in Repair Kit 24 4199 ti8825a 14 4 15 14 2 1 17 16 19 18 6 11 13 12 10 9 8 7 5 5 8 22 10 7 25 3 24 Ref P ar t Descripti on Qty .
Parts 311845C 11 Model 288819 * Included in Repair Kit 288820 † Included in Repair Kit 245885 ti9569a 24 3 25 23 8 9 20 5 12 13 11 6 2 15 14 4 14 18 19 16 17 1 26 7 8 9 10 Ref P ar t Descripti on Qt.
Parts 12 311845C Notes.
Technical Data 311845C 13 Te c h n i c a l D a t a Maximum working pressure 3300 psi, 25 bar , 22.8 MP a Fluid inlet size 1-5/16 UN (m) models 288 467/288468 3/4-14 npt (m ) model 288466 Fluid outlet .
Graco Standard Warra nty 14 311845C Graco Standar d W arranty Graco warrants all equipment ref erenced in this document which is manufactured by Gr aco and bearing its name to be free from de fe c t s i n material and workmanship on the date of sale to the origin al purch aser for use.
An important point after buying a device Hitachi 288466 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Hitachi 288466 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 Hitachi 288466 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Hitachi 288466 you will learn all the available features of the product, as well as information on its operation. The information that you get Hitachi 288466 will certainly help you make a decision on the purchase.
If you already are a holder of Hitachi 288466, 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 Hitachi 288466.
However, one of the most important roles played by the user manual is to help in solving problems with Hitachi 288466. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Hitachi 288466 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
