efore using the product, plese check the For ltest informtion, DF ctlogs nd opertion mnuls N Series SSS MRK-II se unit Unit with ll options Fetures Extensive vritions wide rnge of functions nd other options such s fluid level es, temperture es nd wter coolers, is ville in n esy-to-instll modulr formt. he energy-sving performnce of the V series pump cn e further enhnced y dding the optionl fethering pump. Low oil temperture rise ll models re equipped with n oil cooler s stndrd. Mintining the fluid t low temperture gives it long service life. Spce sving he compct design hs reduced the footprint to 7 to 74% of the conventionl models. he design of the mounting holes hs llownce in ll directions nd the tnk top plte cn e mounted in the 18 opposite direction. Low noise ll models re equipped with virtion-soring ruer pds s stndrd. Control vlves instllle Options enling instlltion of vlves re ville (- ). 1 2 3 4 5 Nomenclture N M N - 11-1 2 3 4 5 6 7 8 9 Model No. N: SSS MRK-II nk cpcity 6: 6 L : L 16: 16 L ump type M: Motor pump (V pump) ump cpcity 15: 14.8 cm 3 /rev 23: 23. cm 3 /rev 38: 37.7 cm 3 /rev Unit type N: nk top plte type Refer to ge -8 for detils of V series piston pumps incorported into these units. Series tle 6 7 Motor cpcity 15: 1.5 kw, 4-pole 22: 2.2 kw, 4-pole 37: 3.7 kw, 4-pole 55: 5.5 kw, 4-pole 75: 7.5 kw, 4-pole Design No. 8 Mnifold lock No designtion: Without mnifold lock : With mnifold lock 9 Numer of series No designtion: None (not instlled) 2: 2-series 4: 4-series Solenoid vlve size No designtion: None (not instlled) : size 3: 3 size nk cpcity ump cpcity 15 (14.8 cm 3 /rev) 23 (23. cm 3 /rev) 38 (37.7 cm 3 /rev) Motor cpcity 1.5 kw 2.2 kw 3.7 kw 3.7 kw 5.5 kw 5.5 kw 7.5 kw 6 L L 16 L N-3
efore using the product, plese check the For ltest informtion, DF ctlogs nd opertion mnuls Specifictions ump dischrge rte L/min t 5/6 Hz (1. M) nk cpcity L Motor cpcity Output kw (Numer of poles: 4) Mss kg N6M15N15-11 1.5 1 N6M15N22-11 6 2.2 118 N6M15N37-11 2/25 3.7 13 NM15N22-11 2.2 128 NM15N37-11 14 3.7 NM23N37-11 15 NM23N55-11 5.5 17 33/4 N16M23N37-11 3.7 175 N16M23N55-11 195 16 5.5 N16M38N55-11 2 55/66 N16M38N75-11 7.5 2 Rted pressure M {kgf/cm 2 } 14. {14} Mximum operting pressure M {kgf/cm 2 } Note: Rted pressure: ressure t which the mximum lod does not exceed 175% of the rted cpcity of the motor with the pump dischrge rte set to minimum Mintin the verge shft input of the motor t no greter thn %. Mximum operting pressure: ressure t which the motor cn e strted with the pump dischrge rte set to minimum Mintin the mximum lod t no greter thn 16% (15 seconds) nd verge shft input t no greter thn %. With the stndrd specifictions, the pressure is set to 3.5 M nd the flow rte is set to the mximum dischrge rte t shipment. Stndrd power supply is C 2/22 V t 5/6 Hz for motors. Consult Dikin for different voltges [38 V (5 Hz), 4 V (5/6 Hz), 415 V (5 Hz), 44 V (6 Hz), 46 V (6 Hz)] he models with the following model s tht incorporte mnifold re ville s product series. Since mnifold lock is preinstlled, solenoid vlves nd modulr stck vlves cn e mounted esily. he mnifold locks re fitted with locking locks (S- ). Remove them when mounting solenoid vlves nd modulr stck vlves. Stndrd model int color Option Numer Solenoid of series vlve size Option Numer Solenoid of series vlve size Option Numer Solenoid of series vlve size Option 21. {2} Numer of series N6M15N15-11 -2 2-4 4 N6M15N22-11 -2 2-4 4 N6M15N37-11 -2 2-4 4 NM15N22-11 -2 2-4 4 NM15N37-11 -2 2-4 4 NM23N37-11 -2 2-4 4-23 2 3-43 4 3 NM23N55-11 -2 2-4 4-23 2 3-43 4 3 N16M23N37-11 -2 2-4 4-23 2 3-43 4 3 N16M23N55-11 -2 2-4 4-23 2 3-43 4 3 N16M38N55-11 -2 2-4 4-23 2 3-43 4 3 N16M38N75-11 -2 2-4 4-23 2 3-43 4 3 Solenoid vlve size JM Y59-6H (Munsell G6/4) lue-green colors Motors, pumps, nd purchsed prts re in the stndrd colors of the mnufcturers. nk: king finish Quick-reference chrts for motor selection Motor cpcity (M15-1.5/2.2/3.7 kw) Motor cpcity (M23-3.7/5.5 kw) Motor cpcity (M38-5.5/7.5 kw) N UNI EQUIMEN (L/min) 25 2 15 5 7. 1.5 kw 2.2 kw 3.7 kw 3.7 kw 5.5 kw 3.7 kw 15% 5.5 kw 15% 5.5 kw 7.5 kw 7.5 kw 15% 5 7 6 Hz 6 4 6 Hz 5 5 Hz 3 6 Hz 4 5 Hz 2 5 Hz 3 2 14. 21. (M) 7. 14. 21. (M) 7. 14. 21. (M) Dischrge pressure Dischrge pressure Dischrge pressure (L/min) (L/min) N-31
efore using the product, plese check the For ltest informtion, DF ctlogs nd opertion mnuls Hndling Hydrulic fluid, mient environment Use petroleum-sed hydrulic fluid equivlent to ISO VG32 to 68. For pressures higher thn 7 M use wer-resistnt hydrulic fluid. Use of hydrulic fluids other thn the petroleum-sed type (e.g. hydrous/synthetic) is prohiited. Operte the unit in n environment where oth the following conditions re stisfied: viscosity rnge from 15 to 4 mm 2 /s nd oil temperture from to 6 C. e sure to mintin the wter content in the hydrulic fluid t.1% mximum y volume. Contmintion of the hydrulic fluid cuses device troule nd reduces the service life, so py due ttention to ling contmintion nd ensure tht it goes no higher thn NS contmintion clss 9. (NS contmintion clss is permitted for operting pressures of 7 M or lower.) Use the unit indoors under the following conditions. mient temperture: to 35 C, mient humidity: 2 to 9%RH (with no condenstion) If using the unit where there is lot of dust or oil mist, clen it periodiclly y pplying compressed ir or y other mens since the oil cooler is prone to clogging in such environments. t strt Fill the pump cse with hydrulic fluid through the filler port efore strting tril opertion, fter replcing the pump, or fter stopping the unit for 6 months or longer. Use the sme hydrulic fluid s for the hydrulic circuit. N M15 N M23 N M38 ump cse cpcity cm 3 5 5 9 fter checking tht ll hydrulic circuits nd electricl circuits re redy for opertion, set the hydrulic circuit t the lod side in the no-lod sttus or connect n unloding circuit efore strting the pump. When the pump is driven for the first time, turn the power to the motor on nd off few times to let the ir out of the piping nd then run it continuously t full speed. roring noise my e oserved until the ir hs een completely removed ut this is not norml. Check tht the pressure rises t the pressure guge. Electric wiring Connect the power cle mtching the phses t the pump motor nd power supply sides s shown elow. Motor side U V W R S ower supply side Check tht the pressure rises t the pressure guge. If the motor rottes in the reverse direction, the connection etween two phses mong the three to correct the direction of rottion. e sure to connect the ground terminl. Instll no-fuse reker on the min power supply. See the motor electricl rting tle elow for electricl rtings. In ddition, instll n erth lekge reker. <Motor rting tle (rted current)> ermissile voltge fluctution: ±% ower supply 1.5 kw 2.2 kw 3.7 kw 5.5 kw 7.5 kw C 2 V 5 Hz 6.8 9.3 15. 22.4 28.8 C 2 V 6 Hz 6.2 8.8 14. 21. 27.6 C 22 V 6 Hz 6. 8.3 13.2 19.6 25.6 rnsporttion When trnsporting or hoisting the unit, use the hoisting hooks (φ25 holes t 4 loctions) or fork lift truck. When using fork lift truck, tke due cre to ensure tht it will not topple over ecuse n pproprite fork spn cnnot e secured. Instlltion he unit is sttionry type. Fix it on level loction tht is free of virtion. Mount the foundtion pltes (4 pcs.) provided s ccessories t pproprite positions ccording to the instlltion conditions. (8 mounting positions provided) N-32
efore using the product, plese check the For ltest informtion, DF ctlogs nd opertion mnuls Externl dimension digrm N M N -11 DR2 (lugged) DR1 (lugged) Oil filler port on the cse (Fill with hydrulic fluid efore strting tril opertion) W 16.5 (S) (N) 2 (Squre hed plug) L 7 1 R (M) C D Q (Squre hed plug) 4-φ25 holes Hoisting hook 43 Nmeplte (opposite side) 5 J K olt for fstening during 12 trnsporttion 2 13 e sure to loosen it y 1 to 2 mm efore 11 strting opertion. nk drin port Rc½ (lugged) V 4-φ15 holes 14 he se pltes (4 pcs.) supplied s ccessories cn e mounted t ny loction. ccessories (with 8 olts) U E F G H 9 6 4 3 Yellow line: Oil level upper limit Red line: Oil level lower limit Model C D E F G H J K L M N Q R S U V W ort ort N6M15N15-11 5 58 63 66 34 44 49 52 411 837 53 647 463 7 217 55 45 59 135 116 845 N6M15N22-11 5 58 63 66 34 44 49 52 411 847 53 645 467 7 217 55 45 59 135 116 845 Rc½ Rc¾ N6M15N37-11 5 58 63 66 34 44 49 52 411 859 53 662 484 7 217 55 45 59 135 116 845 NM15N22-11 65 73 78 8 39 49 54 57 461 897 53 781 517 7 262 636 5 74 175 116 895 Rc½ NM15N37-11 65 73 78 8 39 49 54 57 461 99 53 781 534 7 262 636 5 74 175 116 895 NM23N37-11 65 73 78 8 39 49 54 57 461 962 53 781 514 7 262 636 5 74 175 116 885 Rc¾ Rc¾ NM23N55-11 65 73 78 8 39 49 54 57 461 982 53 781 549 7 262 636 5 74 175 116 885 N16M23N37-11 69 77 82 85 49 59 64 67 531 32 76 821 63 116 257 663 6 78 225 116 955 Rc¾ N16M23N55-11 69 77 82 85 49 59 64 67 531 52 76 821 629 116 257 663 6 78 225 116 955 N16M38N55-11 69 77 82 85 49 59 64 67 531 52 76 821 629 116 257 663 6 78 225 116 965 Rc1 Rc1-¼ N16M38N75-11 69 77 82 85 49 59 64 67 531 52 76 821 629 116 257 663 6 78 225 116 965 N UNI EQUIMEN Hydrulic circuit digrm DR1 DR2 9 12 6 2 7 M 11 8 13 4 3 5 1 Rc½ Devices used rt No. Nme rt No. Nme 1 Oil tnk 8 Oil cooler 2 Motor pump 9 ressure guge 3 Oil level guge hermo lel 4 Oil filler port-cum-ir rether 11 Virtion-soring ruer 5 Suction striner 12 High-pressure hose 6 Inline check vlve 13 Low-pressure hose 7 Return filter 14 Foundtion plte N-33
efore using the product, plese check the For ltest informtion, DF ctlogs nd opertion mnuls ower unit options 11 1/2 9 12 M 2 1 8 5 4 3 7 6 When selecting n option, enter circle or the required quntity in the option selection tle nd sumit it when plcing the order. he s in the circuit digrm correspond to those in the tle elow. Overview of options Code Item Description 1 (1) ressure compenstor pump Shrp cutoff chrcteristics re chieved. he pressure nd flow rte cn e djusted s necessry. ressure 1 (2) 1 (3) ressure feedck method comintion Solenoid operted method comintion he opertion mode cn e ed etween high-pressure low-quntity nd low-pressure high-quntity with single pump y pressure feedck method. he shown to the right cn e performed y ing the solenoid vlue mounted on the pump. Sets the high-pressure cutoff chrcteristics of the pump to fethering sttus (extremely low pressure). ressure SOL OFF SOL ON ressure 1 (4) Fethering pump ressure ressure ressure his function is effective for sving energy while the mchine is t stnd-y. 2 nk specifictions Mnufcture wter fill test cn e performed s n option. Consult Dikin if it is necessry to comply with the Fire Service ct since the prts to e used will differ. 3 hermometer Enles visul monitoring of the fluid temperture. ( to C, φ4) 4 emperture For fluid temperture upper limit lrm: Outputs n lrm when 65 C is exceeded. For heter : Stops the heter when 2 C is exceeded. 5 Fluid level For fluid level lower limit detection: Detects insufficient level of fluid. For fluid level upper limit detection: Detects excessive level of fluid to prevent overflow. 6 Oil pn ccumultes fluid so tht it will not spill over the floor. Environmentlly friendly option. 7 Electric heter Used in n environment where the unit my e strted t low temperture ( C or lower) such s in cold regions. he heter is equipped with dry opertion prevention sensor. Wrm-up opertion of the unit increses the temperture y pproximtely 5 C/hr, nd it is dvisle to stop the heter when the temperture reches certin level using the heter temperture. (Heter cpcity: 1 kw) 8 Mgnet contminnt sepretor 9 nk drin vlve Wter cooler 11 ressure Used to remove fine metl chips nd contminnt contined in hydrulic fluid when hydrulic fluid contmintion level needs to e led. (o e mounted/removed through the clening port) Instlling 1 pc for 6 to L tnk nd 2 pcs for 16 L Used to fcilitte oil replcement y rrnging ll vlve (JIS 1/2) t the drin port of the fluid tnk. he port is plugged s stndrd. Used to cool fluid when the fluid in the tnk reches high temperture. o determine whether cooler is necessry or not, see the quick-reference chrt provided in the SSS MRK-II rochure. For detils of cooling cpcities, see the rochure of L coolers. Fluid temperture cn e led using the optionl temperture wter vlve. Used for detecting min pressure drop. Stndrd setting t shipment: Open t 2. M or lower. here re two types of es, mechnicl nd electronic. 12 Return filter electric lrm Used for the filter clogging lrm. rovided with C type contct. 13 Unit orienttion Only the tnk top plte cn e mounted in the 18 reversed orienttion (even fter the delivery of the unit). 14 erminl ox terminl ox tht cn e mounted on the unit, with size of 3 mm 2 mm 5 mm (W H D). No terminl lock is supplied with the terminl ox. One DIN ril is ttched. 15 Electric wiring Wiring from electricl devices to the terminl ox. Up to 3 pins supported. ril type terminl lock with D touch-down structure is used. 2-row type terminl lock is used when more thn 15 pins re required. VC cles re used with M3 round crimp-style terminls. Note tht the wiring for the motor nd electric heter needs to e directly connected to their terminl oxes. No wiring port is provided for wiring y the user. Note tht the terminl numers re predetermined. 16 Specified color Recoting with epoxy-sed pint. he pressure guge nd hoses re msked, nd lso the cles, if there re ny. Stndrd color: JM Y59-6H (Munsell G6/4) When using specified colors, specify the JM. N-34
efore using the product, plese check the For ltest informtion, DF ctlogs nd opertion mnuls List of circuits/solenoid vlves Control circuit expressions Component prts Size 3 Circuit size 3 Size Circuit size 2 KSO-G3-4C -2- MG-3-3-4-X Solenoid vlve spool 4C Solenoid vlve spool 4C Solenoid vlve spool 2C M-3W-2-4 M-3W-4 ressure guge Mounting olt Circuit numer KSO-G-2C -3- Solenoid vlve spool 2C Circuit numer Circuit numer 4 MG--2-55 M-WI-55 ressure guge Circuit numer 4 Mounting olt Select the solenoid vlve spool nd circuit y referring to the solenoid vlve tle nd the circuit selection mnul. Solenoid vlve tle Ctegory ll ports locked t center position (closed center) Spring offset (, ) No-spring type (with detent) Solenoid vlve spool 2C 2 2D Grphic symol Model KSO-G-2C -3-EN KSO-G3-2C -2-EN KSO-G-2-3-EN KSO-G3-2 -2-EN KSO-G-2D -3-EN KSO-G3-2D -2-EN Ctegory orts // open (port locked) t center position orts / throttled t center position orts / open t center position (tndem center) Spring offset (, ) Solenoid vlve spool 44C 66C 2 Grphic symol Model KSO-G-44C -3-EN KSO-G3-44C -2-EN KSO-G-66C -3-EN KSO-G3-66C -2-EN KSO-G-2-3-EN KSO-G3-2 -2-EN N UNI EQUIMEN orts // open (port locked) t center position 4C KSO-G-4C -3-EN KSO-G3-4C -2-EN Generl solenoid vlve model KSO - G - - - EN 1 2 3 4 1 Solenoid vlve size : size, 3: size 3 2 Voltge : C V, : C 2 V, : DC 24 V 3 Design No. 4 CE specifictions, with surge killer Note tht C 2 V specifictions do not comply with CE specifictions. N-35
efore using the product, plese check the For ltest informtion, DF ctlogs nd opertion mnuls Option selection tle Item Description With fethering ressure feedck Solenoid operted ressure method comintion method comintion ressure feedck Solenoid operted ump compenstor ressure compenstor method comintion method comintion C D E F ressure High-pressure side [ ] M High-pressure side [ ] M [ ] M t 5/6 Hz Low-pressure side [ ] M [ ] M Low-pressure side [ ] M Stndrd High-pressure side [ 7. ] M High-pressure side [ 7. ] M Setting [ 3.5 ] M Low-pressure side [ 3.5 ] M [ 3.5 ] M Low-pressure side [ 3.5 ] M High-quntity side [ / ] L/min High-quntity side [ / ] L/min [ / ] [ / ] t 5/6 Hz L/min Low-quntity side [ / ] L/min L/min Low-quntity side [ / ] L/min High-quntity side: Sme s for pressure compenstor High-quntity side: Sme s for pressure compenstor Stndrd Lowquntity M15 3 L/min t 6 Hz Low- M15 3 L/min t 6 Hz Setting M23 6 L/min t 6 Hz quntity M23 6 L/min t 6 Hz side M38 L/min t 6 Hz side M38 L/min t 6 Hz Motor power supply N: Stndrd C 2/22 V 38 V (5 Hz), 4 V (5/6 Hz), 415 V (5 Hz), 44 V (6 Hz), 46 V (6 Hz) nk specifictions N: Stndrd (3.2 mm wll thickness, top plte construction) : utonomous wter fill test tnk hermometer N: Not fetured : Fetured ( to C, φ4) : Open t 65 C or higher (for lrm) E: + C emperture : Closed t 65 C or higher (for lrm) F: + D (Up to 3 including N: Not fetured C: Open t 2 C or higher (for heter ) G: + C fluid level es) D: Closed t 2 C or higher (for heter ) H: + D Note: Differentil: 5 to 8 C for /C, 3 to 6 C for /D Fluid level : Open t lower limit or lower (for lrm) E: + C : Closed t lower limit or lower (for lrm) F: + D (Up to 3 including N: Not fetured C: Open t upper limit or higher (for lrm) G: + C temperture es) D: Closed t upper limit or higher (for lrm) H: + D Oil pn N: Not fetured : Fetured Electric heter : For C 2 V : For C 22 V C: For C 4 V D: For C 44 V N: Not fetured 1 kw Note: Not possile to instll together with temperture ctuted wter regulting vlve Mgnet contminnt N: Not fetured : Fetured (Instlling 1 unit for 6/ L tnk nd 2 units for 16 L) seprtor nk drin vlve N: Not fetured : Fetured (1/2 gloe vlve) Wter cooler N: Not fetured 6 L tnk : L43- : L54- /16 L tnk C: L54- D: L77- Wter cooler piping N: Not fetured : Fetured emperture 6 L tnk: OWR-54G ctuted wter N: Not fetured : Fetured regulting /16 L tnk: OWR-56G vlve Return filter : Fetured (Open when clogged) clog detection N: Not fetured : Fetured (Closed when clogged) Unit orienttion N: Stndrd : Reverse ssemly ressure N: Not fetured erminl ox N: Not fetured : Fetured Electric wiring N: Not fetured : Fetured Specified color N: Stndrd Other requests will e hndled s design-to-order cses. When instlled with vlves, this option covers the piping etween the mnifold nd wter cooler nd etween the wter cooler nd return filter. When not instlled with vlves, the piping etween the wter cooler nd return filter is covered y this option ut the return piping from the mchine needs to e directly connected to the wter cooler y the customer. Mnufcturer: Sginomiy Seiskusho, Inc. Vlve strts opening t 4 C. Mechnicl : Open t 2 M or lower Mnufcturer: C Electric Industry Co., Ltd. CE16 Electronic : Closed t 2 M or lower Mnufcturer: efector K6731 (N), K8731 (NN) terminl ox tht cn e mounted on the unit, with size of 3 mm 2 mm 5 mm (W H D). No terminl lock is supplied with the terminl ox. One DIN ril row is ttched. When selecting the wiring option, select "N: Not fetured" for this option. his option covers the wiring from electricl devices to the terminl ox. he wiring of the motor is not covered. Note tht the terminl numers re predetermined. Connections re mde on the terminl lock with M3 terminls (with 2 spre pins) using VC cles. No wiring port is provided for wiring y the user ecuse the port is prt of the work to e crried out y the user. (Only recoting possile: with epoxy-sed pint) Only the pressure guge, hoses, nd prts purchsed re msked. : Specil color JM [ ] or Munsell [ ] king finish is pplied to the stndrd tnk. int color: JM Y59-6H (Munsell G6/4) N-36
efore using the product, plese check the For ltest informtion, DF ctlogs nd opertion mnuls Control circuit selection tle Series order 6th series 5th series 4th series 3rd series 2nd series 1st series Size Solenoid vlve spool Circuit Solenoid vlve voltge 3 3 3 Select one from the solenoid vlve tle. Select one from the circuit s given in the tle elow. C //1 V, 5/6/6 Hz C 2/2/22 V, 5/6/6 Hz DC 24 V 3 3 Note: With ground terminl nd surge killer (CE complint models) Note tht only the models with voltge s nd re CE complint. Nme Meter-in throttle Meter-out throttle Meter-out position holding Meter-in port pressure reducing Meter-out port pressure reducing Meter-in port pressure reducing Meter-out port pressure reducing Meterin ck pressure Meter-out position holding port pressure reducing Meter-out position holding port pressure reducing Meter-in C fl ow Circuit 1 3 4 5 6 7 8 9 11 Stndrd circuit Notes on circuit opertion Nme Circuit pplicle only to positive lod Not pplicle to negtive lod or inertil Not pplicle to very low speed (no slower thn 1 m/min) Lekge t directionl vlve t the center position. Meter-out C fl ow pplicle to oth positive nd negtive lod Cre required out oost pressure with negtive Lekge t directionl vlve t the center position. rke vlves, etc. to e considered with inertil Meterin port pressure reducing C fl ow the position needs to e held. Cre required out oost pressure with negtive Meterout port pressure reducing C fl ow Used to lower the pressure in the series. Not pplicle to negtive Meter-in port pressure reducing position retention C fl ow Used to lower the pressure in the series. Meter-out port pressure reducing position retention C fl ow Used to chieve vrile thrust, such s for clmping pressure. Not pplicle to negtive o e meterout with negtive Used to chieve vrile thrust with negtive lod while djusting rollseprting force, etc. Not pplicle when the position needs to e held. Meter-out 2-speed Meter-out 2-speed position hold oost occurs in the meterout circuit with negtive Not pplicle when the position needs to e held. Meter-in 2-pressure 2-speed the position needs to e held in circuit 7. the position needs to e held in circuit 5. Meter-out 2-pressure 2-speed precise speed is required in circuit 1. 12 13 14 15 16 17 18 19 2 locking N UNI EQUIMEN Notes on circuit opertion Stndrd circuit precise speed precise is speed required in is circuit. required in rke vlves, circuit 6. etc. to e considered with inertil Cre required out oost pressure with negtive precise speed is required in circuit 7. the position the position needs to needs to e held in e held in circuit 13. circuit 14. high-/ low-speed is required. Cre required out oost pressure with negtive inertil the position needs to e held in circuit 17. pplicle to positive high-/ low-pressure is required. High-/low-speed possile high-/ low-pressure is required. High-/low-speed possile When the circuit is not used N-37