905 series
Contents
1. 52 is installed in the side of the piston If not Insert 12 13 stud or capscrew in tapped hole in piston This will hold the piston down under spring pressure Next remove nuts from cylinder flange and lift cylinder off piston The piston leather or T ring seal can now be inspected and replaced II necessary Press may be reassembled in reverse order being careful not to damage the lip of the leather cup or T ring seal as it enters the cylinder 2 II press will not develop rated tonnage a Dirt under valve balls Refer to MAINTENANCE 1 c above b Worn cup leather Refer to MAINTENANCE 1 d above c Relief valve not set properly This valve is located on the top side near the right end of the control block at the front of the reservoir The valve is set at the factory to bypass oil from the pump back to the reservoir when the press reaches its rated capacity The load on the spring Item 75 which governs the pressure at which the valve will bypass oil is adjusted by turning the screw Item 79 in to increase pressure or out to decrease pressure Replace seal Item 74 and cap nut Item 78 NOTE We advise that the relief valve not be tampered with after it is set at the capacity of the press Model 5 025 5 050 5 075 amp 5 150 2 If nothing happens when press is operated a b I motor does not run the electrical circuit should be investigated Release valve open Be sure to have release valve firmly closed2. M ball valve 1 61A Valveguide 1 1052 10752 10752 10752 1 61B Spingpn 1 4433 44333 44333 44333 1 62 1 N P T F socket head pipe plug 4482 44282 44282 44282 1 63 Ball valve da 1 196 196 196 196 1 64 Releasevalverod 7 1 257 25 227 2257 1 65 Valve rod packing 1 1937 197 197 197 8 66 Packingnut 191 19311 2191 1 67 Valvehande 1 2230 gt 20 22304 2230A 1 68 Handlewasher 7 348 348 538 58 1 69 _ 3 8 16x 1 2 hex cap screw 434 434 48324 43324 1 70 Eductor bushing 1 1288 1288 1298 198 1 Tia O ig 96 96 96 96 1 71b Back up washer 1 11223 11228 11228 11228 1 72 Eductorbody 2241 204 221 24 1 73 Eductornozzle 7 1 1287 127 1287 1287 1 74 Oring 365 36 396 36 1 75 Reliefvalve spring 893 8 899 89 1 76 Ballvalve dia 1 98 98 9 1 77 Reliefvalveseat 7 81 841 81 81 1 78 Valvecapnut 226 226 236 2236 1 79 Relief valve adjusting screw 227 2237 227 2287 1 80 Ballretainer 7 1 892 82 82 82 1 81 Cylinder 56 401 2213 497 1 82 Check valve spring 1 59 579 579 579 1 _83 Gage 720 721 71272 71273 1 _84 Control panel Old Style 3 1 2 hole 27618 2768 27618 27618 1 __ Control panel New Style 4 hole 8044 80744 80744 80744 1 8
3. channels 2 The handcrank item 19 is provided to raise or lower the table channels to the proper work height When desired height is obtained insert the table pins Models 5 025 and 5 050 use 2 pins on each side 4 total and Models 5 075 and 5 150 use 3 pins on each side 6 total Model 5 025 5 050 5 075 amp 5 150 1 CAUTION Be sure ALL table pins are place as far as they go before pressure is applied Be sure to slack off on the cable before pressure is applied 3 The handle on the left side of the workhead Item 67 opens and closes the ball valve which releases pressure on the ram This valve should be kept firmly closed and open only when it is desired to return the ram to its up position 4 The two table plates items 6 and two V blocks item 7 are used for supporting the work process 5 The control handle Items 86 amp 91 on the right side of the panel regulates the speed of ram travel The handle will return to the off position when released It is not necessary to stop motor after each operation 6 The relief valve item 79 has been set at factory to open at maximum tonnage of press The valve can be adjusted by removing hex nut located on top of the valve block at the right front of reservoir and turning the adjusting screw to the left for a lower setting WARNING Never exceed rated tonnage of press MAINTENANCE CAUTION When disconnecting parts of this machine be extrem
4. when using press I the ram will come down only a fraction of its rated stroke check the oil level in the reservoir with the ram at the top of its stroke It should be visible in the sight window at the side of the reservoir Eductor nozzle plugged II motor labors and ram does not move when pump control know is turned the orifice in the eductor nozzle item 73 may be plugged Drain reservoir remove tube assembly Item 123 eductor bushing item 70 eductor body item 72 and eductor nozzle Item 73 Clean out orifice with a 1 32 drill Replace parts being sure not to install item 72 backwards See parts drawing Check O ring and back up washer items 71A amp 71B to be sure it has not been damaged 4 f press is operating slow a d Improper oil It is essential that the recommended oil Mobil DTE 24 or equivalent be used Heavier oils cause a marked reduction in the ram speed NOTE DO NOT USE HYDRAULIC JACK OIL Release valve not closed properly Release valve must be firmly closed when using the press The seal on the piston rod for the 50 101 pump is worn A worn seal will pull air into the pump causing the pump to slowly loose its prime To test place grease around the control rod where it goes in and out of the seal Item 129 Then replace seal part number 26573 The piston rod for the 50 101 pump is bent or rusted Contact factory for rebuilding your pump CAUTION Adjustments to pump not necessary and the p
5. 6 Control handle ball 7 27879 27879 289 27879 1 No 10 24 x 3 8 soc head cap screw 89 Control handle mounting bracket____ 27622 27622 2762 262 1 90 Controlrod 1 27601 27621 27621 27669 1 Model 5 025 5 050 5 075 amp 5 150 10 ty 48 1 49 1 90 1 91 1 92 4 53 94 1 55 1 56 1 1 57 1 58 59 61 1 61B 1 62 1 63 1 64 1 65 1 67 1 1 1 70 1 1 1 72 1 73 1 74 1 75 1 76 1 77 1 78 1 79 1 81 82 83 84 Model Model Model 96 8 flat washers 98 5 8 lockwashr 43648 43648 43648 43648 7 99 Rearrollerbracket 9472 9472 9472 4204 1 34 10 x 3 Soc set screw 3 8 16 x 1 hex cap screw Motor 2 HP 220 440 volt 3 phase Bolts motor mounting 5 16 18 x M 107B 3 8 16x1 hex cap screw 43328 43328 4338 43328 8 110 3 8 lockwasher 43645 43645 43645 43645 8 111 V lockwasher 114 2 12 1 hex head cap screw 116A Bolts pump support 5 16 18 x 94 126 Allen pipe plug 10 24 V Rd Head Machine Screw 43881 43881 43881 43881 6 3 8 Wiper seal on 50 101 pump Cylinder Repair Kit Includes items 33 39 44 60 63 706553 706554 706555 706556 Specify Voltage Includes all items figure 2 724 Robbins Road Grand Haven 49417 Phone 616 842 7110 800 937 3253 Fax 616 842 0859 800 846 3253 Web www dakecorp com E mail customerservice
6. 701677 S 701677 S 701677 S 700111 S Figure 2 7 13x1 SHCS Serial No lt 192522 441 441 8 35 PistonBumper SerialNo 192522 2221 21 1 36 Hex head cap screw Serial No lt 192522 43305 4330 43332 43332 8 37 Lockwasher______ Serial No lt 192522 43643 43645 43645 43605 8 39 LeatherCup 7 SerialNo lt 192522 0969 557 706 15388 1 Twxingsea 7 Serial No gt 192523 1776 17878 1792 370522 1 __ Wear Ring Serial No gt 192523 V nose piece assembly with shank Model 5 025 5 050 5 075 amp 5 150 9 Model Strokeindicatorrod 220 2260 2260 4264 1 12 13 43940 43940 43940 43940 1 Speialnt 2259 2259 2259 2259 1 4 20 x Set Screw 48558 43558 43558 43558 1 Suppotstud 228 228 2258 4266 1 No 2x 3 16 Drive Screw new style 43573 43573 43573 43573 glued on _ 48 49 _ 50 54 Scale 221 2641 2261 46 55 Reservoir assembly 715270 705601 705923 715273 56 57 58 59 _ 60 61 DIE LT Piston assembly Serial No lt 192522 701401 701402 701403 701404 1 Piston assembly Serial No gt 192523 716225 716226 716227 716228 1 Check valve seat 7 1300 1300 1300 1800 1 Ye N P T F socket head pipe plug 3 8 N P T F socket head pipe plug
7. DESCRIPTION MAT L NUMBERS 50 101 A B 1 A 1 2 D 1 Retaining Ring Truare STD 27468 __ 724 Robbins Road Grand Haven 49417 Phone 616 842 7110 800 937 3253 i P 5 Pist n 2514 5 National Retaining Ring XSO 122 27751 S 5 16 18 x Soc Hd Cap Sor w 5 Cylinder Locking Se 28121 When ordering parts Specify 1 Quantity gt Description Werte DD 5 Check Valve Spring Spring Steel 25126 _ O ring ID x 15 16 OD KK 6 5 16 18x5 8 Soc Hd Cap Scr SID 43432 Flange Casting PP 5 1 8SpiralSpringPinx7 8 STD 28688 RR 1 Center Body Casting XX 11 Lae 2190 2 DriveScrewsforlabel 43573 I 5 JPipePlug 116NPTF 44276 PUMP REPAIR KIT 712740 Includes items B C Z V HH MM TT AC AD Model 5 025 5 050 5 075 amp 5 150 15
8. INSTRUCTIONS AND PARTS LIST FOR Models 5 025 5 050 5 075 and 5 150 Elec Draulic Presses WARNING LABELS To the left is the safety Alert symbol When you see these safety alert symbols on your press be alert to the potential for personal injury Follow recommended precautions and safe operating practices SETTING UP THE PRESS FOR OPERATION For shipping convenience some of the parts are not assembled Assemble these parts in the following order 1 Bolt the base angles to uprights using four bolts and nuts which are provided Make sure base angles are against stops on uprights NOTE The press should set on a level floor with the base angles touching the floor at all points Use shims where necessary 2 Motor starter box is mounted on left upright Have electrician connect power to motor starter Pump can rotate in either direction 3 Oil Requirements Fill reservoir thru street elbow at back of press with Mobil oil No 24 or equivalent NOTE Oil level may be checked with ram up by removing the 1 8 NPT pipe plug on the right side of reservoir near the front Replace plug before operating the press Model 5 025 uses 6 quarts Model 5 050 uses 8 quarts Model 5 075 uses 10 quarts Model 5 150 uses 20 quarts 4 Prime pump by removing the plug in the top of the pump opposite the intake line and allow the oil levels in the reservoir and pump to equalize Fill pump with additional oil if required replace plug making sure sea
9. P MOTOR DPN 15 76846 SET STARTER OVERLOAD SETTING TO MATCH THE MOTOR NAMEPLATE VALUE FOR THE MOTOR THAT IS BEING USED DRAWING SHOWS VALUES FOR 2 HP MOTOR 200 9 200 O 200 0 250V MOTOR CONNECTION 460V MOTOR CONNECTION Model 5 025 5 050 5 075 amp 5 150 5 FOR WORKHEAD DETAIL SEE FIGURE 2 FIGURE 1 Model 5 025 5 050 5 075 amp 5 150 94 124 gt 7 7 77 gt amp 1 LV A amp m 7422722242 DE AA S a 56 40 y dl y 41 97 119 100 99 97 96 I 129 85 Y 98 IR Ew T 98 96 dk 43 1 118 y FIGURE 2 Model 5 025 5 050 5 075 amp 5 150 7 Eductor Block Exploded View Model 5 025 5 050 5 075 amp 5 150 8 Figure 1 Model Model Model Model 5 025 5 050 5 075 5 150 y Part 1 Pulley 1563 2 JFam 701151 701151 701152 701030 1 3 Hex head cap screw 43342 43342 43361 43720 A 1 81002 81002 81002 81003 1 2 3 4 or hy lat 4 6 Tableplae 125 55 702 1534 2 8 Table spacer assembly 8 10811 716691 716692 716788 152 4 9 Tablechannel 140 4100 243 4207 2 12 Tablepins 1256 226 4 MN MM 13 Han uA 218 22 29 24 21 20 28 30 Items 20 21A 21B 22 23 24 27 28 29 30
10. dakecorp com Model 5 025 5 050 5 075 amp 5 150 11 technicalservice dakecorp com INSTRUCTIONS AND PARTS LIST FOR Models 50 101 34 GPM Hydraulic Pump Variable volume stem control I DESCRIPTION This unit is a five piston axial type piston pump designed for heavy duty industrial application up to 6000 psi continuous and 8000 psi intermittent The pump should be coupled directly to the driving source and can be rotated in either direction Il TYPICAL VARIABLE VOLUME CONTROLS A Stem control with control stem out spring return output delivery is zero gpm pushing in on control stem increases pump delivery from zero to maximum gpm B Knob control With control knob adjusted out counter clockwise rotation output delivery is zero gpm turning control knob clockwise increases pump delivery from zero to maximum gpm C Pressure compensated Circuit operating pressure is controlled by setting of compensator valve mounted on pump Turning adjusting knob clockwise increases circuit pressure counter clockwise decreases circuit pressure Output delivery of pump at zero circuit pressure is maximum gpm when circuit pressure reaches the setting of compensator valve pump output automatically decreases to supply the exact flow rate required by the system II INSTALLATION A Rotation Pump shaft rotation can be in either direction B Shaft alignment and pump mounting The alignment of the pump and motor is cri
11. ely careful that all parts clean to prevent entrance of dirt in the hydraulic system 1 If press looses pressure a Check all tubing joints for leaks and tighten the tube nuts b Leakage past release valve 67 Drain the reservoir and remove packing nut Item 75 valve rod Item No 64 and ball valve Item No 63 Clean out valve seat and reseat ball valve using brass rod as a drift striking sharply with a hammer Reassemble valve rod packing and packing nut Refill reservoir with appropriate oil amount C Leakage past eductor inlet check ball Item No 60 Drain reservoir remove large pipe plug Item No 62 valve seat Item No 61 and check ball Item No 60 Clean and inspect seat Reseat ball on seat or replace seat with a new one if necessary Reassemble with ball above the seat tightening plugs securely d Worn cup leather Serial No 192522 or T ring seal Serial No 192523 If none of the previous conditions seem to have been the cause of the trouble the cup leather or T ring seal may be worn out or damaged To inspect this it is necessary to drain the oil and remove the workhead from the press frame Remove tube assembly Item No 123 Set 2 4x4 blocks on the table then raise table channels with the block up to the bottom of the reservoir applying pressure to the reservoir Remove roller brackets from the reservoir and lower workhead using the table WARNING sure that stroke indicator rod support
12. heck valve for contamination Pump Is running 1 System relief valve constantly spilling 1 Check relief valve setting and work hot cycle 2 Duty cycle excessive at high pressure 2 Install oil cooler on fluid reservoir Noisy pump or 1 Air in system 1 Bleed all circuit trapped areas system 2 Pump cavitating 2 Check for restriction in pump inlet or loose fittings in inlet line 3 Realign couplings 4 Replace broken parts and reassemble 5 Replace with new parts items L and M 1 Tighten screws 3 Coupling misalignment 4 Broken piston return spring item NN 5 Loose piston shoe item L Pump will not 1 Loose cylinder locking screws items prime or looses W prime 2 Worn or damaged shaft seals items or AC 3 Faulty o ring items V MM TT or AB 4 Air in suction 2 Replace with new parts 3 Replace with new parts 4 Check for loose fittings and tighten 724 Robbins Road Grand Haven MI 49417 Phone 616 842 7110 800 937 3253 Fax 616 842 0859 800 846 3253 Web www dakecorp com E mail customerservice dakecorp com technicalservice dakecorp com Model 5 025 5 050 5 075 amp 5 150 13 EARS E S N amp QQ AALY N NN B C YE T 274 E VA NUN cr emi 52 LE N usta DI GG YY 77 AB SS TT VV ww XX UU SECTION A A Model 5 025 5 050 5 075 amp 5 150 14
13. l is tight and start motor 5 Attach nose piece to ram by inserting shank into ram and tightening the set screw CAUTION Place the hoist crank on the lift drum shaft Turn the hoist crank to relieve the pressure on the table pins Keeping tension on the hoist crank remove the table pins one at a time After removing the tables pins turn the crank running the table channels from top to bottom Check to make sure the cable is tracking correctly The cable should be on each of the two upper pulleys and should track back and forth on the cable drum Always place table pins under the table channels before releasing the hoist crank when positioning the table channels for cable tracking servicing or set up for desired work opening If a tracking problem exists contact the Dake factory for instructions Be sure all table pins are fully inserted in place before applying pressure Always remove or release pressure on the cable before pressure is applied OPERATIONS A WARNING DO NOT OVERSTROKE THE RAM Overstroking will cause premature seal failure Models 5 025 5 050 amp 5 075 have a 10 inch stroke Model 5 150 has a 16 inch stroke The press has been completely tested at the factory and after setting up according to instructions above the press is ready for operation However it is necessary for the operator to acquaint themselves with the controls 1 Three screws item 100 are used to lock the workhead in the desired position along head
14. lt to give long term dependable service If they should eventually require overhaul factory rebuilding is recommended when possible since disassembly and assembly can damage many parts This minimizes replacements with net savings to the user Model 5 025 5 050 5 075 amp 5 150 12 Trained Dake personnel with complete rebuilding and testing facilities permit rapid overhaul and testing resulting in minimum downtime for the customer as well as the added advantage of complete factory testing after repair TROUBLE SHOOTING CHART TROUBLE POSSIBLE CAUSE REMEDY Inadequate or no 1 Inlet line above fluid level 1 Check fluid level and provide flow from pump adequate fluid to fill entire system 2 Air in suction 2 Check for loose inlet line connections 3 Pump not primed 3 Fill pump cast with Mobil DTE 24 oil or equivalent and run until pump picks up prime 4 Broken drive shaft or coupling Loose 4 Replace broken parts and tighten coupling setscrews in coupling 5 Oil viscosity too high 5 Use proper viscosity fluid for operating temperature conditions 6 Dirty or clogged oil suction filter 6 Clean filter and check at least once a month 7 Broken piston return spring item NN 7 Replace broken parts and or check valve spring item DD reassemble Pump will not 1 Loose check valve seat retainer items 1 Retighten loose parts Use build pressure BB locktight when retightening 2 System relief valve stuck open 2 C
15. tical having a direct relation to pump bearing and shaft seal life as well as coupling life A flexible coupling should always be used C Fluid connections Pressure and intake line piping should correspond to port sizes to keep fluid velocities in acceptable range Do no bush down to smaller sizes Safety valves The high pressure line must have a relief valve close to the high pressure outlet to prevent damage to pump In a circuit using the pressure compensated pump the relief valve should be set several hundred psi above compensator pressure to minimize transient pressures due to compensator overtravel E Filtration Cleanliness of fluid and components is of extreme importance in high pressure hydraulic circuits A suction strainer of 140 microns or less and twice pump capacity should be used in the pump inlet line IV MAINTENANCE A Minor repairs Minor repairs are considered those that do not involve total disassembly of pump External leaks around the pump for example can usually be eliminated by tightening screws and or fittings around the leakage area Replacement of leaking shaft or o ring seals is a minor repair that can be done in the field The Dake service manual should be consulted for the necessary part numbers B Major repairs Major field repairs can be accomplished in an emergency However it is recommended that the Dake factory be contacted for necessary parts and assistance Dake pumps are bui
16. ump should not be tampered with because expensive repairs may result WARNING High pressure fluid is present in operational hydraulic systems Fluids under high pressure are dangerous and can cause serious injury or death Do not make modifications repairs or adjustments to any hydraulic system unless you are competent or working under competent supervision II in doubt consult a qualified technician or engineer Model 5 025 5 050 5 075 amp 5 150 3 WARNING LABELS To the left is the safety Alert symbol When you see these safety alert symbols on your press be alert to the potential for personal injury Follow recommended precautions and safe operating practices Carefully read all safety messages in these instructions and on your press safety signs Keep safety labels in good condition Replace missing or damaged safety labels This machine is intended to be operated by one person This person should be conscious of the press ram movement not only for himself but also for persons in the immediate area of the machine B MAINTENANCE INSTRUCTIONS High voltage Can cause severe injury or death ALL pins must be gt inserted before Keep fingers out o applying any pin holes pressure FILL RESERVOIR WITH A GOOD CLEAN OIL SUCH AS MOBIL DTE 24 A MOBIL PRODUCT RESERVOIR CAPACITY FOR 25 TON 6 QT 50 TON 801 75 TON 10 QT 150 TON 20 QT Service by authorized ersonnel only Read instructions y Use locko
17. ut INSTRUCTIONS FOR CARE AND OPERATION ARE FURNISHED WITH PRESS Establish solid Keep hand away Guard workpiece footing to from point of to prevent Todos los esc lamos tienen que ser insertados ante de aplicar la presi n prevent falls operation projectiles from Read instructions reaching operator Wear eye protection 1 BEFORE APPLYING PRESSURE A LOCK WORKHEAD IN POSITION WITH SET SCREWS B INSERT TABLE PINS C SLACK OFF CABLE D CLOSE RELEASE VALVE FIRMLY Lea las instrucciones Alta tension Puede provocar lesiones severas o la muerte SERIAL DAKE GRAND HAVEN MICH gm IE R O Para reparaciones emplee personal autorizado solamente No ponga los dedos en los agujeritos Label 84395 Label 7355 Label 84399 Use cierre el ctrico 300168 SAFETY INSTRUCTIONS LOCKOUT PROCEDURE Announce lockout to other employees Turn power off at main panel Lockout power in off position 4 Put key in pocket Clear machine of all personnel Test lockout by hitting run button Block chain or release stored energy sources Clear machine of personnel before restarting machine Label 76462 Model 5 025 5 050 5 075 amp 5 150 4 Electrical Diagram TOU 3 PHASE LINES x x mE 3 PHASE LINES L L 12 13 LC L3 230 VOLTS 460 VOLTS FOR 2 HP MOTOR DPN IS 75675 FOR 2 HP MOTOR DPN 15 75674 FOR 3 HP MOTOR DPN 15 75675 FOR 3 H
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