PB073 PB076
C.
Remove the diaphragm from the bottom body,
B.
and turn the piston to align the bottom body
C
groove with the pin hole.
Drain all fuel in the feed pump.
Check condition of the top body as follows. Draw
air
from IN side with vacuum and put air into
D. Remove the pin from the piston. OUT side. If air stops in both cases, the body
is normal.
\0 LIT
~.
5
IN
Piston
NOTE: Pay attention to the inner spring.
Bottom body
E. Take out the piston, spring and diaphragm from
the
bottom body.
Bottom body
Piston
Diaphragm
PB072
-
Inspection
A. Before disassembling the feed pump, confirm
that the
piston and bottom body are not seized.
PB074
D. Confirm that the diaphragm has no damage,
such
as cracks.
PB075
-
Reassembly
A. Reassemble the feed pump in the reverse order
of
its disassembly.
Governor
-
Construction/Function
Link
0
PB07
1
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