Maintenance
Before performing any maintenance or
repairs, disengage blades, stop engine and remove
key if so equipped to prevent unintended starting.
Engine
procedures and specific instructions pertaining to your engine.
For illustrative purposes, the Briggs & Stratton engine is shown in
the figures below.
NOTE: Maintenance, repair, or replacement of the emission
expense may be performed by any engine repair establishment
or individual.
.
Changing the Engine Oil
If the engine has been recently run, the
engine, muffler and surrounding metal surfaces will
be hot and can cause burns to the skin. Exercise
caution to avoid burns.
Run the engine for a few minutes to allow the oil in the
crankcase to warm up. Warm oil will flow more freely and
carry away more of the engine sediment which may have
settled at the bottom of the crankcase. Use care to avoid
burns from hot oil.
Remove the upper star knob and carriage screw on the 2.
4.
valve to expose the drain port. See Fig 6-2.
Remove the oil fill cap/dipstick from the oil fill tube.5.
6.
oil drain port. Route the opposite end of the hose into an
appropriate oil collection container with at least a 2.5 quart
capacity, to collect the used oil.
7.
begin draining oil. See Fig 6-2.
After the oil has finished draining, push the end of the oil 8.
drain valve back in, until the tabs click into place. Re-cap
the end of the oil drain valve to keep debris from entering
the drain port.
9.
Manual for information regarding the volume and weight
of engine oil.
Air Cleaner
Service the pre-cleaner and cartridge/air cleaner element as
Spark Plug
The spark plug should be cleaned and the gap reset once a
and gap specifications.
Maintenance & Adjustments
6
18
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