53. Put the O-ring (Parker no 2-032 V747-75) on the 

 cover. Put some high-quality oil on the O-ring 

 surface. 



54. Bring the cover into position and screw down by 

 alternate opposite screws. 



55. The motor unit is now assembled. Before you 

 proceed in making it watertight, it has to be 

 tested. 



47 



