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Maintenance & Adjustments
6
Maintenance
General Recommendations
Always observe
safety rules when performing
any
maintenance.
The warranty
on this lawn mower does not cover items that
have been subjected
to operator
abuse or negligence.
To
receive full value from warranty,
operator
must maintain
the lawn mower as instructed
here.
Changing
of engine-governed
speed will void engine
wa rra nty.
All adjustments
should
be checked at least once each
season.
Periodically
check all fasteners and make sure these are
tight.
Lubrication
1.
2.
WARNING:
Always stop engine,
disconnect
spark
plug, and ground
against engine
before performing
any type of maintenance
on your machine.
Lubricate
pivot points on the blade control
at least once a
season with light oil. The blade control
must operate
freely
in both directions.
See Figure 6-1.
Follow the accompanying
engine
manual for lubrication
schedule
and instruction
for engine
lubrication.
DeckCare
Clean underside
of the mower
deck after each use to prevent
build-up
of grass clippings
or other debris. Follow steps below
for this job.
1.
Disconnect
spark plug wire. Drain gasoline from lawn
mower or place a piece of plastic under the gas cap.
2.
Tip mower so that it rests on the housing.
Keep the side
with the air cleaner facing up. Hold mower firmly.
WARNING:
Never tip the mower more than 90° in
any direction and do not leave the mower tipped for
any length of time. Oil can drain into the upper part
of the engine causing a starting problem.
3.
Scrape and clean the underside
of the deck with a suitable
tool.
4.
Put the mower
back on its wheels on the ground.
If you had
put plastic under the gas cap earlier, make sure to remove
it
now.
Figure 6-1
Engine Care
A list of key engine
maintenance
jobs required
for good
performance
by the mower is given below. Follow the
accompanying
engine manual for a detailed
list and instructions.
Maintain
oil level as instructed
in engine
manual.
Service air cleaner every 25 hours under normal
conditions.
Clean every few hours under extremely
dusty conditions.
Poor engine
performance
and flooding
usually indicates
that the air cleaner should
be serviced. To service the air
cleaner, refer to the engine
manual.
Clean spark plug and reset the gap once a season. Spark
plug replacement
is recommended
at the start of each
mowing
season. Check engine
manual for correct
plug
type and gap specifications.
Clean engine
regularly
with a cloth or brush. Keep the
top of the engine clean to permit
proper air circulation.
Remove all grass, dirt, and combustible
debris from muffler
a tea.
Gasoline that will be stored longer than 30 days needs to
be pre-treated
upon purchase with fuel stabilizer
such
as STA-BIL _ to prevent
gum and varnish from forming
in
the engines
fuel and intake system. Improper
fuel storage
can result in hard starting,
no starting,
stalling
and poor
performance.
If the gasoline
in your engine deteriorates
during
storage, you may need to have the carburetor,
and
other fuel system components,
serviced
or replaced.
CAUTION:
Failure to use a fuel stabilizing
additive
such as STA=BIL _ or completely
run the engine
until
it's out of fuel before off-season
storage
may result
in damage to your engine's
carburetor.
Subsequent
damage would
net be covered
under the
manufacturer's
warranty.
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