Evinrude 4906B 4HP 1969 Owner's Manual page 144

4- Shift the pump position in the vise, as
shown. Remove the six screws securing the
pump cover.
5- Remove the cover.
lose the disc washer and spring from the top
of the diaphragm. Remove the disc washer,
spring and diaphragm.
washer because it will be used again.
6- Some model pumps may have a small
disc washer and long spring installed
the diaphragm. Other models may have a
large nylon washer and spring.
the small disc washer because it has been
replaced with the larger nylon washer and is
included in the pump repair kit.
7- Remove the
check valve retainer.
and remove the check valve retainer.
Take care not to
SAVE the small disc
under
DISCARD
two screws from the
Reach into the pump
FUEL PUMP 4-53