Adjusting Cutting Height; Section 6: Maintaining Your Lawnmower; Engine Maintenance - Yard-Man 445 Operator's Manual

21" rear-discharge lawn mower
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Bagging GrassClippings
You can use the grass catcher bag to collect clippings
while you are operating the mower.
Attach the grass catcher following instructions on
page 8 of this manual. Grass clippings will
automatically collect in the bag as you run mower.
Operate mower till the grass bag is full.
Stop the engine completely by releasing the control
handle. Make sure that the unit has come to a
complete stop.
Lift discharge door and pull grass bag up and away
from the mower to dispose of the grass clippings.
Adjusting Cutting Height
Refer to height adjustments section of this manual on
page 15 for instruction on how to adjust the cutting
height and the handle height.
For best results in mowing, keep the cutting height
position high until you have determined which
cutting height is preferred.
SECTION 6: MAINTAINING YOUR LAWNMOWER
WARNING:
Always stop engine and
disconnect spark plug wire before performing
any maintenance or adjustments on the mower.
WARNING:
Never tip mower more than 90
degrees in any direction and do not leave it
tipped for long. Oil can drain into the upper part
of the engine causing a starting problem.
Cleaning the LawnMower
Clean the underside of the mower deck after each
use to prevent any build-up of grass clippings, if this
debris is allowed to accumulate, it will result in rust
and corrosion.
NOTE: We do not recommend
the use of pressure
washers or garden hose to clean your unit. These may
cause
damage
to
electric
components,
spindles,
pufleys, bearings or the engine. The use of water will
result in shortened life and reduced serviceability.
Disconnect spark plug wire. Drain gasoline from the
mower, or place a piece of plastic under gas cap.
Tilt the mower so that the side with the air cleaner is
facing up. Hold the mower firmly.
Scrape and clean the underside of the deck with a
suitable tool. Do not spray with water.
Put the mower back on its wheels. If you had put
plastic under the gas cap, remove it now.
EngineMaintenance
A list of key maintenance jobs required for good
performance by the mower is given below. Follow the
engine manual for detailed list and instructions.
Change engine oil after the first two operating
hours and every 25 operating hours thereafter.
Check the oil level before starting the engine every
time.
Service foam filter in the air cleaner every 25 hours
of use and replace the paper filter component every
100 hours. You may have to service the air filter
more frequently if you are operating the mower
under extremely dusty conditions.
Clean engine periodically. Remove dirt and debris
with a cloth or brush.
Clean the spark plug and reset the gap to.030" at
least once a season or every 50 hours of operation.
Spark plug replacement is recommended at the
start of each season.
Inspect muffler periodically, and replace if
necessary. Damaged mufflers or spark arresters
can create a fire hazard. Make sure to avoid muffler
and surrounding areas while the mower engine is
hot because temperature of these areas of the
engine may exceed 150 ° F.
12

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