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REPAIR INSTRUCTIONS, PART 3
Do not work near the fan with the engine
running. The engine fan can become active at
any time without warning. Failure to heed this
warning can result in severe personal injury.
Before turning the ignition on, make sure no
one is near the fan. Failure to heed this
warning can result in severe personal injury.
1. Check the fuel system to make sure that all
connections are tight.
2. Start the engine and run it at an increased
idle for approximately 5 minutes to remove
air trapped in the fuel system.
PRIMING THE FUEL SYSTEM
Using the hand priming pump is usually only
necessary when the fuel system has run dry. If
hand priming is needed, use the following
procedure.
435
Figure 435 — Unlocking the Hand Primer Pump
1. Unlock the hand primer pump by pushing
the handle in and turning it
counterclockwise.
2. Pump the hand primer until the force of
pumping increases.
When the fuel system is empty, 200 or more
strokes may be needed to prime the system
properly.
There are NO bleed nipples to be opened in order
to prime the fuel system.
3. Lock the pump by pushing the handle into
the housing, turning it clockwise and
releasing it.
4. Start the engine and run it at an increased
idle for approximately 5 minutes to remove
air trapped in the fuel system.
5. Check the fuel system to make sure that all
connections are tight.
Do not crank the engine continuously for more
than 30 seconds without allowing the starter to
cool for 2 minutes between cranks.
The only acceptable method of priming the fuel
system is the hand primer pump. Applying air
pressure to the fuel tank or using an auxiliary
pump to prime the fuel system is PROHIBITED.
These priming techniques may cause fuel to leak
past the supply pump seal into the crankcase.
Failure to heed this caution may result in severe
engine damage.
After running for 5 minutes, the engine, all its
components and fluids will be hot. Contact
with hot components and fluids can cause
severe burns. Failure to heed this warning can
result in severe personal injury.
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