CONTENTS
    Page 1                     Contents
    Page 2                     Transport, Storage and Preparation for use
    Page 3                     Exploded view of basic assembly
    Page 4                     Wiring connections - General notes and detail for SR On/off models
    Page 5                     Wiring connections for DA On/off models
    Page 6                     Wiring connections for Positioner models
    Page 7                     Wiring connections for direct switched SR models
    Page 8                     Limit switch adjustment
    Page 9                     Fuses and internal connections
    Page 10                   Optional Positioner set-up
    Page 11                   Optional angle transducer
    Page 12                   Optional double acting manual bypass valves
    Page 13                   Optional rapid spring return dump valve
    Page 14                   Optional external feedback potentiometer (on/off models only)7194
    Page 15                   Inspection, maintenance and troubleshooting  Key to exploded diagram on page 3
  1 – Pump/reservoir unit.           8 – Limit switch plate.                      14 – External connector block.
  2 – Vent plug.                           9 – Fuse board mount assembly.    15 – Connector number plate.
  3 – Filler plug.                          10 – Limit switch.                              16 – Connector block support pillars.
  4 – Pump motor.                      11 – Limit switch striker.                   17 – Motor capacitor. EHD电液1/4转驱动装置英文文献和中文翻译:http://www.youerw.com/fanyi/lunwen_5013.html