Remove distributor plate. (5) (780-3A) 5-73(1) Screw out the threaded bush over the check valve. (6) (780-3A) 5-73(2) Remove O-ring. (7) (780-3A) 5-73(3) (8) Take care to keep the cross pin in the sleeve and spool horizontal. The pin can be seen through the open end of the spool. Press the spool inwards and the sleeve, ring, bearing races and needle bearing will be pushed out of the housing together. (780-3A) 5-73(4) 5-33