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COMPACT ELE. HYDRAULIC PUMP
SMP-30, 40 Series
INSTRUCTION MANUAL
RIKEN KIKI CO., LTD

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Summary of Contents for RIKEN SEIKI SMP-30 Series

  • Page 1 COMPACT ELE. HYDRAULIC PUMP SMP-30, 40 Series INSTRUCTION MANUAL RIKEN KIKI CO., LTD...
  • Page 2 Foreword Thank you very much for purchasing this electrically powered pump produced by Riken Kiki Ltd. This manual explains the use and safety features of these motor powered pumps and contains information valuable to both experienced and also first time users of these electrically powered pumps.
  • Page 3 (7) Ensure that the Operation Switch is turned off before inserting the power cord plug into a   power source otherwise the pump will start, causing the cylinder piston to extend and the   pump to create pressure. (8) To prevent electric shock, ensure the pump earth wire is connected to the electrical plug and  ...
  • Page 4 (15) Do not grip the high pressure by hand when pressure is being exerted. If the pressure hose   breaks while it is being gripped by hand, high pressure hydraulic oil will be suddenly   dispersed, and serious injury such as a hole being opened in one s hand may occur. (16) The high pressure hose is a consumable item.
  • Page 5: Table Of Contents

    Table of Contents 1. O v e r v i e w ..........................5 2. Model Explanation ........................5 3. Shared Specifications ........................ 6 4 . Explanation of Components ...................... 7 5. Safety Cautions for Usage ...................... 16 6. Fixed Installation Method ......................18 7....
  • Page 6: 1. O V E R V I E W

    1. Overview (1)  This pump is an electric pump for operating a hydraulic actuator (cylinder, etc.). The pump    features automatic changeover between high pressure and low pressure. Both the high    pressure and low pressure pumps initially operate simultaneously. Once the circuit    pressure reaches 1.5 MPa, the low pressure safety valve activates and all oil flow from the    low pressure pump is then returned to the tank via the low pressure safety valve.
  • Page 7: 3. Shared Specifications

    3. Shared Specifications ・ SMP−30** Maximum Usage Pressure High Pressure Side       70MPa Low Pressure Side        1.5MPa Discharge Amount High Pressure Side       0.2L/min Low Pressure Side        2.0L/min Motor Closed Type, Type E Insulation Rated Output 250W Rated Operation Time 5 minutes Maximum current (A) 8.0 at 100V 4.0 at 200V 4.0 at 230V...
  • Page 8: Explanation Of Components

    4. Explanation of Components (1) SMP−30NV、 SMP−40NV Brush Operation Switch Motor (SW-4A) Opening Pressure Gauge Attachment Opening (G1/2) Discharge Outlet (Rc3/8) High Pressure Safety Valve Shape of Power Cord Tip 100V 200V・230V Oil Tank Operation Cord Intake Opening Hydraulic Circuit Diagram Power Cord Intake Opening Air valve...
  • Page 9 Oil Tank   Reservoir for the storage of hydraulic oil. Motor   Motor for driving the pump. Operation Switch (SW-4A)   Manual switch for starting and stopping the motor.   Length of the cord is 3 meters. Power Cord   Length of the cord is 3 meters.   100V specifications is for insertion plug (2P 12A 125V with earth clip).
  • Page 10 (2) SMP−30B、 SMP−40B Operation Switch Hydraulic Circuit Diagram (SW-4A) Pressure Switch (SPS-7A) Pressure Gauge Attachment Opening (G1/2) Direction Control Valve (SMV-33) Shape of Power Cord Tip Discharge Outlet 100V (Rc3/8) 200V・230V Weight:14.5kg (When Using 2L tank) High Pressure Switch (SPS-7A)   Pressure can be variably adjusted from 10 to 70 MPa.
  • Page 11 (4) SMP−30SK、 SMP−40SK Operation Switch Hydraulic Circuit Diagram Pressure Switch (SW-4S) (SPS-7A) Pressure Gauge Attachment Opening RETURN (G1/2) Direction Control Valve (SSL-2B) Shape of Power Cord Tip Discharge Outlet 100V (Rc3/8) 200V・230V Weight:14.5kg (When Using 2L tank) Operation Switch (SW-4S)   A manual switch containing a crimp switch for starting and stopping the motor and a push   button switch for returning.
  • Page 12 (6) SMP−30NE、 SMP−40NE Hydraulic Circuit Diagram Pressure Switch (SPS-7A) Operation Switch Direction Control Valve (SW-4WP) (KD-2C) PUSH Pressure Gauge Attachment Opening PULL (G1/2) Shape of Power Cord Tip Discharge Outlet 100V (Rc3/8) 200V・230V Weight:19kg (When Using 2L tank) Operation Switch (SW-4WP)   A manual switch for starting and stopping the motor and operating the direction control valve.
  • Page 13 (8) SMP−30C、 SMP−40C Hydraulic Circuit Diagram Operation Switch Pressure Switch (SW-4A) (SPS-7A) Pressure Gauge Attachment Opening (G1/2) Direction Control Valve (SMV-43) Shape of Power Cord Tip Port B 100V Port A 200V・230V Discharge Outlet Weight:15.5kg (Rc3/8) (When Using 2L tank) High Pressure Switch (SPS-7A)   Pressure can be variably adjusted from 10 to 70 MPa.
  • Page 14 (10) SMP−30DVH、 SMP−40DVH Hydraulic Circuit Diagram Pressure Switch Operation Switch (SPS-7A) (SW-4A) Pressure Gauge Attachment Opening (G1/2) Direction Control Valve (SMVH-43) Shape of Power Cord Tip Port B 100V Port A 200V・230V Discharge Outlet Weight:17kg (Rc3/8) (When Using 2L tank) High Pressure Switch (SPS-7A)   Pressure can be variably adjusted from 10 to 70 MPa.
  • Page 15 (12) SMP−30SW、 SMP−40SW Hydraulic Circuit Diagram Pressure Switch (SPS-7A) Operation Switch KD-3S (SW-4WP) (with check) Direction Control Valve PUSH (KD-2S) PULL Pressure Gauge Attachment Opening (G1/2) Shape of Power Cord Tip Port B 100V Port A Discharge Outlet 200V・230V (Rc3/8) High Pressure Switch (SPS-7A) Weight:20.5kg   Pressure can be variably adjusted from 10 to 70 MPa.
  • Page 16 (14) SMP−30SL、 SMP−40SL Hydraulic Circuit Diagram Pressure Switch (SPS-7A) Operation Switch (SW-4WP) Pressure Gauge Attachment Opening (G1/2) PUSH PULL Direction Control Valve (KD-3C) Shape of Power Cord Tip Port B 100V Port A 200V・230V Discharge Outlet (Rc3/8) Weight:18.5kg High Pressure Switch (SPS-7A) (When Using 2L tank)   Pressure can be variably adjusted from 10 to 70 MPa.
  • Page 17: 5. Safety Cautions For Usage

    5. Safety Cautions for Usage WARNING         Pumps will not generate pressure until the discharge outlet plug is removed.  Therefore before starting, remove the plug from the outlet port and replace with high pressure  hoses or couplers. WARNING          The maximum output pressure of these pumps is 70 MPa.  For safety, each pump is factory fitted with a high pressure safety valve which functions as a safety  device and is adjusted to the maximum operating pressure at the time of shipping.
  • Page 18 WARNING         Carefully check the increase in oil temperature and motor heating when the pump  is used continuously, and be sure to follow the time regulation for each pump. CAUTION         Use general-purpose ISO VG32 oil with the electric pump (for example,  RIKEN POWER OIL).
  • Page 19: 6. Fixed Installation Method

    6. Fixed Installation Method 4-M6(depth9) (1)Install the pump in a level and safe location. (a) Utilizing using the screw holes on the bottom of the oil tank. Rubber for legs (b) Remove the rubber from the legs. (c) Remove the adhesive from the screw area. (2)...
  • Page 20       :Tighten the hexagon cap nut of the coupler (S-1, 2, 5) by hand completely WARNING   until there is no gap between the male and the female couplers and the edge of the   hexagon nut is flush with the face of the male coupler. The cylinder will not operate   smoothly if a gap exists as shown in the diagram below.
  • Page 21: 7. Preparation Before Use

    7. Preparation Before Use The cylinder will not operate smoothly with air inside the hose or piping. Air should be released from within the high pressure hose and the high pressure pipe using the method shown below. (1)When Using a High Pressure Hose  1) Attach a mating coupler to the coupler on the high pressure hose from which air is to be released.
  • Page 22: 8. Preventive Maintenance

    8. Preventive Maintenance (1)Inspection of Items Before Operation CAUTION    (A)       : Turn off power, and inspect the cable for loose connections.      Tighten loose connections if it is found.    (B)With the cylinder piston fully retracted, check the dip stick to ensure the level of hydraulic     ...
  • Page 23: 9. Explanation Of Pressure Switch

        (C)Method for Supplying Hydraulic Oil     1) Remove the air valve and supply oil.     *The screw areas of the air valve are in 2 places. Once the first screw area has been      removed, lift up the air valve and turn to the left one more time.     2) Use a level gauge to ensure that the amount of oil is in an appropriate range.
  • Page 24: 10. Operating Method

    10.Operating Method (1) SMP−30NV、 SMP−40NV    The single-acting cylinder is operated using the operation switch.    Maintaining of pressure and intermediate stop are not possible. Electrical Circuit Diagram Pressure Gauge Attachment Opening (G1/2) Single-Acting Cylinder High Pressure Hose    Example of Use: For a single-acting cylinder (spring return):    Connect the high pressure hose and cylinder as shown in the Operation Switch    diagram above.
  • Page 25: 3) Smp-30Ar、Smp-40Ar

      1) Open the air valve.   2) Before operation, set the pressure switch to the required pressure. Direction Control Valve (SMV-33)   3) Loosen the lever of the direction control valve by turning it in a Loosen    counter-clockwise direction. (return)   4) Turn on the operation switch to start the motor.   5) Turn the lever of the direction control valve in a clockwise direction Tighten    and tighten by hand.
  • Page 26: 4) Smp-30Sk、Smp-40Sk

    (4) SMP−30SK、 SMP−40SK    The single-acting cylinder is advanced using the operational switch. When the pressure on the pressure    switch is reached, the pump motor stops, pressure is held and the cylinder maintains load until pressure    is released (by operational switch). Hold at a lower pressure than set on the pressure switch plus    intermediate cylinder stroke stop is also possible.
  • Page 27: 5) Smp-30Br、Smp-40Br

    (5) SMP−30BR、 SMP−40BR    A single-acting cylinder is operated using the direction control (manual 3-way valve). Pressure can also    be finely adjusted by means of an external relief valve. Pressure hold is also possible.    <Method for Adjusting Pressure with the External Relief Valve (PRV)>   1) Attach the hose or cylinder to the discharge outlet.
  • Page 28: 6) Smp-30Ne、Smp-40Ne

    (6) SMP−30NE、 SMP−40NE    A single-acting cylinder is controlled remotely by a solenoid operated directional control valve.    The cylinder can be instantly stopped and held at any stroke position while pressure is maintained. Pressure Switch (SPS-7A) Electrical Circuit Diagram KD-2C Single-Acting Cylinder SOLa SOLb High Pressure...
  • Page 29: 7) Smp-30Rk、Smp-40Rk

    (7) SMP−30RK、 SMP−40RK    The single-acting cylinder is controlled remotely by a solenoid operated direction control valve.    The piston of the cylinder can be stopped at any position. Pressure Switch (SPS-7A) Electrical Circuit Diagram KD-2C Single-Acting Cylinder High Pressure Hose    Example of Use: For a single-acting cylinder (spring return):         Connect the high pressure hose and cylinder as shown in the diagram.
  • Page 30: 8) Smp-30C、Smp-40C

    (8) SMP−30C、 SMP−40C    The direction control valve has a 4-way, 3-position manual change valve (SMV-43) to operate    a double-acting cylinder.    Maintenance of pressure is possible by means of the pressure set on the pressure switch.    When the valve handle is in the middle position, hydraulic oil discharged by the pump returns to the    oil tank.
  • Page 31: 9) Smp-30Dcb、Smp-40Dcb

    (9) SMP−30DCB、 SMP−40DCB    Pump fitted with a manually operated directional control valve incorporating a counter balance    valve (SCB-43B) for the operation of double-acting cylinders. Pressure maintenance is possible by means    of the SPS-7A pressure switch.   Pressure Switch (SPS-7A) Electrical Circuit Diagram SCB-43B Port B Double-Acting Cylinder...
  • Page 32: 10) Smp-30Dvh、Smp-40Dvh

    (10) SMP−30DVH、 SMP−40DVH    The direction control valve has a 4-way, 3-position manual change valve (SMVH-43) to control    the operation of a double-acting cylinder.    By using the handle of the direction control valve, it is possible to stop the piston of the cylinder    in any position and to maintain the pressure.
  • Page 33: 11) Smp-30Cr、Smp-40Cr

    (11) SMP−30CR、 SMP−40CR        This pump is fitted with a 4-way, 3 position manual direction control valve (SMV-43) designed    to operate a double-acting cylinder. Additionally, pump pressure can be finely adjusted by the    externally adjustable pressure relief valve (PRV). Pressure hold is also possible.    <Method for Adjusting Pressure with the External Relief Valve>...
  • Page 34: 12) Smp-30Sw、Smp-40Sw

    (12) SMP−30SW、 SMP−40SW    This pump provides remote control of a double acting cylinder, by using solenoid operated    direction control valves to provide with instant operation as well as excellent response.    This pump and valve combination enables system high pressure to be maintained for long periods. Pressure Switch Electrical Circuit Diagram (SPS-7A)
  • Page 35: 13) Smp-30Sp、Smp-40Sp

    (13)  SMP−30SP、 SMP−40SP    This pump provides remote control of a double acting cylinder, by the use of a    solenoid operated direction control valve providing instant operation and a fast response.    At the middle position, port P is locked and ABT connection is used. Pressure Switch Electrical Circuit Diagram (SPS-7A)
  • Page 36: 14) Smp-30Sl、Smp-40Sl

    (14)  SMP−30SL、 SMP−40SL    The direction control valve operates a double-acting cylinder for frequent cycling.    Pressure is maintained at port B, but a small drop in pressure occurs at port A. Pressure Switch (SPS-7A) Electrical Circuit Diagram KD-3C Port B Double-Acting Cylinder High Pressure Port A Hose...
  • Page 37: Adjusting The High Pressure Safety Valve

    11. Adjusting the High Pressure Safety Valve    The high pressure safety valve is factory set at the maximum operating pressure.    Follow the procedures listed below when adjusting the valve again.    A pressure gauge is necessary to calibrate, set and check the correct adjustment of this valve.   1) Stop the motor and retract the cylinder piston.
  • Page 38: Common Faults And Solutions

    12. COMMON FAULTS AND SOLUTIONS Condition Cause Measure Inspect the contact area of the brush. Wear or damage to the motor Replace the brush if it has become brushes. too short (8 mm or less). The power plug is not inserted Confirm that electricity is flowing to correctly, or electricity is not flowing the outlet.
  • Page 39: 13. Internal Structure Diagram

    13. Internal Structure Diagram SMP−30NV、 AR、 SK SMP−40NV、 AR、 SK For AR & SK (SPS-7A) 6(7) For NV For SK ( SSL-2B ) For NV & AR ※18 ※24 *18 and *24 are used with SK. -38-...
  • Page 40 Parts List SMP−30NV、 AR、 SK SMP−40NV、 AR、 SK Quantity Part Name Notes Pump Body O-Ring NOK S120 Bolt w/ Hexagon Socket M6×14 Bolt w/ Hexagon Socket M5×14 Cam Axis Series 30 Cam Axis Series 40 Needle Bearing Bearing Holder Deep-Grove Ball Bearing Piston O-Ring JIS B 2401 P10A...
  • Page 41 Parts List SMP−30NV、 AR、 SK SMP−40NV、 AR、 SK Quantity Part Name Notes High Pressure Safety Valve Body High Pressure Safety Valve Set Ball Seat High Pressure Spring Stop Screw w / Hexagon Socket M8x8(flat) Spring Adjust Screw Steel Ball diameter 3.18 Cap for Safety Valve Spring Oil Tank...
  • Page 42 Internal Structure Diagram SMP−30B、 BR、 NE、 RK、 C、 DCB、 DVH、 CR、 SW、 SP、 SL SMP−40B、 BR、 NE、 RK、 C、 DCB、 DVH、 CR、 SW、 SP、 SL SMV-43 6(7) SMV-33 -41-...
  • Page 43 Parts List SMP−30B、 BR、 NE、 RK、 C、 DCB、 DVH、 CR、 SW、 SP、 SL SMP−40B、 BR、 NE、 RK、 C、 DCB、 DVH、 CR、 SW、 SP、 SL Quantity Part Name Notes C DCB DVH CR SW SP Pump Body O-Ring NOK S120 Bolt w/ Hexagon Socket M6×14 Bolt w/ Hexagon Socket M5×14...
  • Page 44 Parts List SMP−30B、 BR、 NE、 RK、 C、 DCB、 DVH、 CR、 SW、 SP、 SL SMP−40B、 BR、 NE、 RK、 C、 DCB、 DVH、 CR、 SW、 SP、 SL Quantity Part Name Notes C DCB DVH CR SW SP O-Ring JIS B 2401 P6 Screw Plug w/ Hexagon Socket R1/4 Screw Plug w/ Square Head R3/8...
  • Page 45: Electrical Wiring, Terminal Connection List

    14. Electrical Wiring, Terminal Connection List  SSL-2B SSL-2B SSL-2B SOL c SOL b SOL a (100V) (200V) (230V) SPS-7A ※2 Wire disused line to blank terminal to isolate Black ※2 ※2 White Green White SW-4A Black A B C D E F G H I J White SW-4S Black...
  • Page 46: 15. Handling The High Pressure Hose

    15.  Handling the High Pressure Hose *SAFETY PRECAUTIONS ・Only use high pressure hoses designed for a working pressure of 70 MPa, manufactured by RIKEN.  ・Use a hose equal to or greater the rated minimum curve radius (R). Also, install the hose so that the rated  minimum curve radius...
  • Page 47 After Sales Service and Repair. Before contacting your sales representative or sales agent to request service or repair to your Riken pump, read the contents of this manual thoroughly and inspect the fault again. If the problem persists, please contact either your sales agent or your local service representative who will arrange for repairs to be carried out.
  • Page 48 (Ver 1.3),dog/08...

This manual is also suitable for:

Smp-40 series

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