Instruction/ maintenance manual of the product 312350E Hitachi
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312350E Instr uctions , Repair and P ar ts Dyna-Star ® HYDRA ULIC RECIPROCA T OR AND PUMP - For lubricating fluids onl y - 10:1 Ratio Universal Pump and Recipr ocator 600 psi (4.
Warnings 2 312350E Wa r n i n g s The f ollowing w arnings are for the set up , use, groun ding, maintenance , and repair of this equipment. The e xclama- tion point symbol alerts you to a gener al warning and the hazard symbol ref ers to procedure-specif ic risk.
Warnings 312350E 3 MO VING P ARTS HAZARD Movin g par ts can pinch or amputate fingers and other bod y par ts. • K eep clear of mo ving par ts. • Do not op erate equipme nt with prot ective guards or covers remov ed. • Pressurized equipmen t can star t without warning.
Installation 4 312350E Installation Key: A F ollower plate B W eep tube C Fluid outlet line (to gun) D Drain v alve (required) E Ground wire F Hydraulic retur n line, minimum 3/4 inch I.
Installation 312350E 5 Pump Accessories Follo wer Plate (A): ensures a good prim e. Place f ollower plate on grease and rota te while press ing fir mly to le v el material. Order par t nu mber 247700 f or 60# and 90# automatic lube pump modules; 247701 f or 120# refinery reser voir; or 247702 f or 400# refiner y reservoir .
Installation 6 312350E Gr ounding T o reduce the risk of static sparking, ground pump . Check yo ur loc al electric al code for detailed grounding instructions f or yo ur area and type of equipment. • Pump: Use g round wire and clamp as shown in F IG .
Operation 312350E 7 Operation Pressure Relief Pr ocedure The system pressure m ust be manually relie v ed to pre v ent the system from starting or dispensing accidentally . Follo w this pressure relief procedure whenev er you are instructe d to: • reliev e pressure.
Operation 8 312350E Star ting Pump 1. T ur n on hydr aulic pow er supply . 2. Open retu rn line shut-off valv e (H) first, then slowly open the h ydraulic supply sh ut-off v alve ( L). 3. Adjust flow contr ol valv e (Q) to limit the h ydraulic flow to no more t han 3 gpm ( 11 lpm), which is appro ximately 60 cycles per minute .
Troubleshooting 312350E 9 T r oubleshooting Prob lem Cause Solution Pump does not run. Closed dispense v alv e. Pump only runs with v alve op en. Pressure too low . Increase supply pressure using a pressure adjusting v alv e. Insufficient h ydraulic fl uid supp ly .
Service 10 312350E Service Replacing Thr oat Seals See F IG . 5. 1. Relieve pressure , page 7. 2. Disconnect reciprocator from pump . 3. Remov e f our ca pscrews ( 15) from bottom of adapter (43). T ap adapter to loosen it an d pull it off the bot- tom cap (32).
Service 312350E 11 Disconnecting Recipr ocator and Displacement Pump See F IG . 6 and Displacement Pump P ar ts, page 18. F IG . 6 1. Flush pump if possib le and stop it with displacement rod in low est position. 2. Relieve pressure , page 7. 3. Disconnect outle t hose from displacement pump .
Reciprocator Repair 12 312350E Recipr ocator Repair See F IG . 7 and F IG . 9 and Reciprocator P arts, page 18. Drain Oil Out of Reciprocator Bef ore y ou begin, dr ain oil out of r eciprocator . 1. Relieve pressure , page 7. 2. Place reciprocator in a dr ain pan.
Reciprocator Repair 312350E 13 F IG . 8 See F IG . 8 and Recipro cator P ar ts pa ge 18 f or steps 4-20, except where noted. 4. T ap bottom of di splacement rod (3 4) with a plastic mallet to loosen cylinder (25). 5. Grasp v alv e spool (31) and pull it off cylinder and tie rods (38).
Reciprocator Repair 14 312350E 10. Clean all sealant from thread s of any par t you ar e reusing. Apply Loctite ® 242 or P erm a-Loc ® 115 thread seala nt to first two or thre e inter nal thre ads of valv e assembly (31). If yo u remov ed capscre w (51) apply thread sea lant to first two or three inter nal threads of v alve stop (26).
Reciprocator Repair 312350E 15 F IG . 11 See F IG . 11 f or steps 17- 24 e xcept where noted. 17. Place adapter (43) in a vise. Install seal s as described on page 10. Install cylinder cap (3 2). 18. If tie rods (38) were remov ed, re install them with shor t threaded end up .
Displacement Pump Repair 16 312350E Displacement Pump Repair Disassembl y See F IG . 13 f or steps 1-10, e xcept where note d. 1. If possible, flush pump . Relieve pressu re , page 7 . 2. Follo w instr uction for Disconnecting t he Recipr o- cator and Displacement Pump , page 11.
Displacement Pump Repair 312350E 17 F IG . 13 117 116 108 113 111 † 112 † 109 102 106 † 104 † 103 110 † 106 † 114 107 Assembled / Cuta way Vie w Using nut (113), torque the pump cylinder 109 to the extension tube (114) at 45 to 55 ft-lb (61 to 75 N.
Reciprocator Parts 18 312350E Recipr ocator P ar ts 36 37 3 39 2 30 60 4 5 61 66 60a 5a 45 29 9 7 6 51 12 1 13 25 40 13 14 32 34 38 18 20 21 20 23 17 49 22 24 58 26 1a 43 16 35 44 8 28 27 15 46 52 11 19 31 4 5 3 6 5 5 1 6 6 2 T orque to 170-180 in-lbs (19-20 N.
Reciprocator Parts 312350E 19 Reciprocator P arts ▲ Replacement Danger and Warning labels, tags, and cards are av ailable at no cost. * These par ts and items 202 on page 20 are included in Kit 247455 (purchase sepa rately). † These parts are inclu ded in Kit 241623 (purchase sepa- rate ly ).
Pump Parts 20 312350E Pump P ar ts Model 247540 60# A utomatic Lube Pump Module Length Model 247443 120# Drum Lengt h Model 247450 400# Drum Lengt h ▲ Replacement Danger an d W ar ning labels , tags, and cards are av ailab le at no cost. * These par ts are included in Kit 247455 (pur chase separate ly).
Technical Data 312350E 21 Te c h n i c a l D a t a T ypical Fluid Outlet Pressure Max grease ou tput pressu re..................... ................ ......... 7500 psi (5 1 MP a, 517 b ar) Max hydraulic fluid input pre ssure.................... ......
Technica l Data 22 312350E Dimensions and Mounting Hole La y out 1/8 npt throat seal weep por t 3/4” - 16 JIC 37° flare (m) 1/2 npt(f) fluid outlet 3/4 npt Hydraulic Outlet 14.75 in. (375 mm) 41.5 in. (1054 mm) Model 247443 48.5 in. (1232 mm) Model 247450 3.
Notes 312350E 23 Notes.
Graco Standard Warra nty 24 312350E Graco Standar d W arranty Graco warrants all equipment ref erenced in th is document which is manuf actured by Graco and bearing its name to be free from de fe c t s in material and workmanship on the date of sale to the origin al purch aser for use.
An important point after buying a device Hitachi 312350E (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 312350E 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 312350E - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Hitachi 312350E you will learn all the available features of the product, as well as information on its operation. The information that you get Hitachi 312350E will certainly help you make a decision on the purchase.
If you already are a holder of Hitachi 312350E, 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 312350E.
However, one of the most important roles played by the user manual is to help in solving problems with Hitachi 312350E. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Hitachi 312350E 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
