MTD 112-020A - Manual (Page 8)

2. Move throttle control lever on handle to
“FAST” position.
3. Move lever, to which control wire is fastened
at engine, to full open position and retighten
screw
to secure throttle control wire
assembly.
FIGURE 11 Model 020 Only
CARBURETOR ADJUSTMENTS
) WARNING {
If any adjustments are made to the
engine while the engine is running
(e.g.
carburetor), disengage all
clutches and blades. Keep clear
of all moving parts. Be careful
of heated surfaces and muffler.
Minor carburetor adjustment may be required to
compensate for differences in fuel, temperature,
altitude and load.
Refer to engine manual packed with your mower
for carburetor adjustment information.
LUBRICATION
IMPORTANT
Always stop engine and disconnect
spark plug wire before cleaning,
lubricating or doing any kind of
work on lawn mower.
Wheels—The wheels require no lubrication.
However, if the wheels are removed for any
reason, lubricate the surface of the axle bolt and
the inner surface of the wheel with light oil. A 4 oz.
plastic bottle of light oil lubricant is available.
Order part number 737-0170. Engine oil may also
be used.
Protective Shield—The pivot points on the protec­
tive shield should be lubricated periodically with
light oil to prevent any rust or binding.
Chute Deflector—The torsion spring and pivot
point should be lubricated periodically with light
oil to prevent any rust or binding. Deflector must
work freely.
Engine—Follow engine manual for lubrication in­
structions.
Throttle (Model 020 Only)—Periodically lubricate
throttle control lever and throttle wire assembly
with a few drops of light oil for ease of operation.
MAINTENANCE
I WARNIN^
Disconnect spark plug wire and
ground it against the engine before
performing any repairs or mainten­
ance
CUTTING BLADE
A. Removal for Sharpening or Replacement
®
I WARNING
\
Be sure to disconnect and ground
the spark plug wire before working
on the cutting blade to prevent
accidental engine starting.
1. Remove the large bolt and lock washer which
holds the blade and adapter to the engine
crankshaft.
2. Remove the blade and adapter from the
crankshaft. Be careful not to lose the key on
the crankshaft.
3. If the blade or blade adapter needs replacing,
remove the two small bolts, lock washers and
nuts which hold the blade to the adapter.