Press the lower retaining clip from inside the UMC
     to remove the cable collar. 
     Separate the collar from the cable. 
 
  To remove the bleed valve, carefully push out 
      from the outside of the UMC using a thin, flat 
      bladed screwdriver.
  To replace the bleed valve, assemble in the above
      order.
  
To remove either actuator or spring, unclip from the
      inside of the UMC with the aid of a pair of long 
      nosed pliers.
      To refit, locate the springs, then actuators from the
      outside of the UMC, and firmly snap in.
 
 
Fitting notes
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service manual
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