74
Service
2)
Replacing fuel filter element
d) If fuel line to injection pump is also empty,
n
Replace filter element every
200
hous of
also loosen bleed screw on injection pump.
operation. Under severe conditions, replace
When fuel flows out bleed hole, tighten
element more often. No tools are required screw.
to change element.
Only use genuine YANMAR filter element.
(3)
Bleeding fuel system
e) If lines from injection pump to fuel injec-
tion nozzles are also empty, loosen lines
where they connect to injection nozzles.
Push throttle lever fully forward and
operate starter until fuel runs from fittings.
Tighten lines.
n
Whenever fuel tank has been run dry or air has
been sucked into the system through loose
con-
IMPORTANT
nections, the entire fuel system must be bled.
Never operate starter longer than
10
seconds at
a
a)
Refill fuel tank if
it
isernpty.
b)
Open shut-off valve.
C)
Loosen both bleed screws above fuel filter.
When air bubble is gone and fuel flows
out bleed hole, tighten screws.
same time.
Allow one minute to cool before reengaging
starter.
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