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      5 – Control box body.              12 – Control box lid.                          18 – Limit switch mounting pillars.
      6 – Solenoid valve.                  13 – External indicator.                     19 – Spring return vane actuator.
      7 – Limit switch shaft.
      Numbers in brackets refer to the exploded diagram on page 3.
      Before mounting the actuator, check that pump/reservoir orientation is correct.
      The EHD actuator can be used with its output axis oriented vertically (V) or horizontally (H) – see page
      1 for illustrations of these two options. The pump/reservoir unit (1), however, must be oriented with the
      motor (4) above the pump (1), therefore the actuator should have been ordered with the interface  
      assembled to suit the user's application. However, if necessary the pump can be rotated through 90º to
      change the orientation between (V) and (H) to suit a different axis requirement.
     
      In order to rotate the pump-to-control box interface, carry out the following steps:
    1. Read through the following procedure and assemble the necessary tools, tubes, containers etc.
    2. Support the whole actuator with the pump filler pointing upwards.
    3. Unscrew the filler plug (3) – put both it and its sealing ring somewhere safe ready to be re-used
    later.
    4. Drain the oil from the reservoir (1) into a clean container about 500ml (1 pint) in capacity.
    Syphoning with a U-shaped plastic tube works well here – start the flow by sucking with a
    squeezy bottle. About 270ml of oil should come out. Don't lose any oil, because you need to
    pour it back in again later.
    5. Remove the external indicator (13) and the control box lid (12).
    6. Remove the four M6 socket head screws holding the pump (1) to the control box (5).
    As these screws are loosened, support the pump body and don't let it move much relative to the
    control box flange, because the wires to the pump motor pass through the middle  of this
    interface, and will be damaged or sheared off if much movement occurs. A small amount of oil
    may drop from the interface at this point.
    7. Rotate the pump relative to the control box as required – again, take care not to damage or
    shear off the wires through the middle during this process. Refit the M6 screws and tighten in
    place.
    8. Rotate the whole actuator so that the filler hole again points upwards, and support it in this
    position.
    9. Pour back the oil and replace the filler plug plus the sealing ring – note that the sealing ring is
    vital to keep dust and water out of the reservoir.
                 ABSOLUTE CLEANLINESS OF OIL IS ESSENTIAL FOR RELIABLE PERFORMANCE.
      IF ANY EXTRA OIL IS ADDED AT ANY TIME IN THE ACTUATOR'S LIFE, USE ONLY 50cSt
      SILICONE FLUID – UNLESS PURCHASED AS A SILICONE FREE UNIT IN WHICH CASE USE
      ENERGOL OIL HLP-HM32. These fluids are available from Kinetrol.
      AFTER mounting the actuator, but BEFORE running it, pull out the vent plug (2). The vent plug is fitted
      only to prevent loss of fluid while the actuator is in transit – once the actuator is in it's fixed position, this
    NOTE : During transport and storage ensure that unit pump body is orientated in the direction of intended use.    WIRING CONNECTIONS – ALL MODELS
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