MTD 30 ユーザーズマニュアル

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Cleaning the Mower
Clean underside of the mower deck after each use to 
prevent build-up of grass clippings or other debris.
WARNING: Never tip the mower more than 90º 
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.
NOTE: Refer to Engine Manual for location of engine 
components.
1.  Disconnect spark plug wire.
2.  Drain gasoline or place a piece of plastic under the gas 
cap.
3.  Tip the mower so that it rests on the housing. Keep 
the side with the air cleaner facing up. Hold the mower 
firmly.
4.  Scrape and clean the underside of the deck with a 
suitable tool. Do not spray with water. 
5.  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.
5
Maintaining 
Your Lawn 
Mower
Always stop engine, 
disconnect spark 
plug, and ground 
against engine before 
performing any type 
of maintenance on 
your machine.
Never tip the mower 
more than 90º 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.
NOTE: Do not use a 
pressure washer or 
garden hose to clean 
the mower. These 
may cause damage to 
electric components, 
spindles, pulleys, bear-
ings, or the engine. The 
use of water will result 
in shortened life and 
reduce serviceability.
WARNING: Always stop engine, disconnect 
spark plug, and ground against engine 
before cleaning, lubricating, or performing any kind 
of maintenance on your machine.
Lubrication
•  Lubricate pivot points on the blade control handle at 
least once a season with light oil. The blade control 
must operate freely in both directions, Figure 5-1.
•  Lubricate the wheels at least once a season with 
light oil (or motor oil). If wheels are removed for any 
reason, lubricate surface of the axle bolt and inner 
surface of the wheel with light oil, Figure 5-1.
•  Lubricate the torsion spring and pivot point on the 
chute deflector periodically with light oil to prevent 
rust, Figure 5-1.
•  Follow the accompanying engine manual for engine 
lubrication schedule and instructions.
General 
Recommendations
•  Always observe safety rules when performing  
maintenance work.
•  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 
warranty. 
•  All adjustments should be checked at least once 
each season. 
Blade Care
WARNING: When removing the cutting blade 
for sharpening or replacement, protect your 
hands with a pair of heavy gloves or use a heavy rag 
to hold the blade.
Periodically inspect the blade adapter for cracks, 
especially if you strike a foreign object. Replace when 
necessary. 
1.  Disconnect spark plug wire from spark plug. Turn 
mower on its side making sure that the air filter and the 
carburetor are up.
2.  Remove the bolt and the blade bell support which 
hold the blade and the blade adapter to the engine 
crankshaft, Figure 5-2.
Figure 5-1: Lubrication areas on the mower.
Blade
Blade 
Adapter
Blade Bell 
Support
Hex Bolt
Figure 5-2: The blade and corresponding hardware.
WARNING