Evinrude 4906B 4HP 1969 Owner's Manual page 146

a
Parts included in
model pumps that can be rebuilt.
3- Position the other check valve on top
of the gasket facing
retainer down over the check valves with
the boss on the retainer in the groove of the
pump body. Observe the large and small
hole in the retainer.
be positioned over the check valve facing
UPWARD.
4- Secure the retainer in place with the
two attaching screws.
5- Install the NEW LONG spring over the
boss of the retainer,
nylon disc washer on top of the spring that
was provided in the kit.
small disc on top of the long spring.
fuel pump repair kit for those
UPWARD. Slide the
The large hole MUST
and then place the
NEVER use the
Damaged old-style diaphragm
installed on earjy model engines.
been replaced with a much larger one.
cap worked its way free of the spring and came through
the diaphragm.
FUEL PUMP 4-55
with the small cap
This small cap has
Notice how this