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   - Remove existing elbow without cyclone filter,
  cylinder head cover and breather hose.    
       - Mark off hole for dust outlet from below on left
  side as shown and cut to fit the shape of outlet hose of elbow with cyclone
  function.   a = 25 mm        b = 130 mm     
 - Install elbow with cyclone function as shown.
  Ensure that the intake hose to manifold is pushed properly onto the elbow.
  Seal all joints well with    AMV
  176 000 05.    | 
  
       Note:   Push the outlet hose
  -arrow- through hole from below and secure with hose clip.     
   - Install new cylinder
  head cover with gasket and pressure control valve -1-.    - Install breather
  hose -2- and secure to valve and bracket with clip -3-.      |