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• Blade speed should be adjusted to the condition of
the lawn.
• For a healthy lawn, never cut more than one-
third of the total length of the grass at any one
cutting. Lawn should be cut in the fall as long as
there is growth.
• This mower is designed to be operated at full
throttle to give you the best cut and do the most
effective job of bagging the cut grass.
WARNING: If you strike a foreign object,
stop the engine. Remove wire from spark
plug and ground it. Thoroughly inspect
the mower for any damage, and repair the
damage before restarting and operating
the mower again.
Using the Mulcher
• For effective mulching, do not cut wet grass
because it tends to stick to the underside of the
deck, preventing proper mulching of grass
clippings. New or thick grass may require a
narrower cut. The ground speed should be
adjusted to the condition of the lawn. If mowing has
been delayed and the grass has been allowed to
grow in excess of 4", mulching is not
recommended. Mow using the grass bag (if so
equipped) to reduce the grass height to 3-1/4"
maximum before mulching.
SECTION 6: MAKING ADJUSTMENTS
WARNING: Do not at any time make any
adjustment to lawn mower without first
stopping engine and disconnecting spark
plug wire.
Carburetor
WARNING: If any adjustments are made
to the engine while the engine is running
(e.g. carburetor), keep clear of all moving
parts. Be careful of heated surfaces and
muffler.
Minor carburetor adjustments may be required to
compensate for differences in fuel, temperature,
altitude and load. To adjust carburetor, refer to the
separate engine manual packed with your mower.
NOTE: A dirty air cleaner will cause an engine to run
rough. Be certain air cleaner is clean and attached to
the carburetor before adjusting carburetor.
Throttle Control
• If your lawn mower engine is equipped with a
throttle control that needs adjustment or if it has
been replaced, proceed as follows. Note that
engines with fixed throttle cannot be adjusted.
• Remove the screw that secures the cable clamp.
Remove the cable clamp from the cable.
NOTE: If you have a Tecumseh engine, simply loosen
the screw shown in Figure 10 so the cable will move
freely beneath the clamp. It is not necessary to remove
the screw and clamp completely.
• Push the throttle control lever on the handle all the
way forward as far as it will go, then back it off one
“click.” Make certain the throttle control lever
remains in this position.
• Push the control lever on the engine as far toward
the rear of the engine as it will go. Secure the cable
in this position with the cable clamp and screw.
Figure 10
Screw
Cable
Clamp
Control
Lever on
Engine
Briggs & Stratton Quantum Engines
Control
Lever
On Engine
Screw
Cable
Clamp
Tecumseh Engines