MTD 449 Manual Del Operador página 10

5
Maintaining
Your Lawn
Mower
WARNING
Always stop engine,
disconnect spark
plug, and ground
against engine before
cleaning, lubricating
or doing any kind of
maintenance on your
machine.
We do not recommend
the use of pressure
washers or garden
hose to clean your
unit. These may cause
damage to electric
components, spindles,
pulleys, bearings, or
the engine. The use
of water will result in
shortened life and
reduce serviceability.
Figure 3
Figure 4
General Recommendations
1. Always observe safety rules when performing
any maintenance.
2. 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.
3. Changing of engine-governed speed will void
engine warranty.
4. All adjustments should be checked at least once
each season.
5. Periodically check all fasteners and make sure these
are tight.
WARNING: Always stop engine,
disconnect spark plug, and ground
against engine before cleaning,
lubricating or doing any kind of
maintenance on your machine.
Lubrication
1. Lubricate pivot points on the blade control handle at
2. Lubricate the wheels at least once a season with
Lubricate these
points before
reassembly.
3. Lubricate the torsion spring and pivot point on the rear
4. The transmission is pre-lubricated and sealed at the
5. Follow the accompanying engine manual for lubrica-
Deck Care
1. Disconnect spark plug wire. Drain gasoline from lawn
2. Tip mower so that it rests on the housing. Keep the
Wire
Rod
3. Scrape and clean the underside of the deck with a
4. Put the mower back on its wheels on the ground. If
Engine Care
1. Maintain oil level as instructed in engine manual.
2. Service air cleaner every 25 hours under normal
3. Clean spark plug and reset the gap once a season.
4. Clean engine regularly with a cloth or brush. Keep the
Replacing Rear Flap
1. To remove rear flap, cut off the flat end of the wire rod
2. Attach the new flap and new rod to deck, bending the
10
least once a season with light oil. The blade control
must operate freely in both directions. See Figure 3.
light oil (or motor oil). If wheels are removed for any
reason, lubricate surface of the pivot arm and inner
surface of the wheel with light oil. See Figure 3.
discharge door periodically with light oil to prevent
rust. See Figure 3.
factory and does not require lubrication.
tion schedule and instruction for engine lubrication.
mower, or place a piece of plastic under the gas cap.
side with the air cleaner facing up. Hold mower firmly.
WARNING: Never tip the mower more
than 90 degrees in any directions 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.
suitable tool. Do not spray with water.
you had put plastic under the gas cap earlier, make
sure to remove it now.
conditions. Clean every few hours under extremely
dusty conditions. Refer to engine manual.
Check engine manual for correct plug type and gap
specifications.
cooling system (blower housing area) clean to permit
proper air circulation. Remove all grass, dirt and
combustible debris from muffler area.
which secures it to the deck. See Figure 4.
ends of the new rod over to secure to deck.