Bolens TMO-37478A - Manual (Page 14)

The carburetor should be adjusted with the air cleaner
in place and the blade control handle in the blade
disengaged position.
NOTE
A dirty air cleaner will cause an engine
to run rough. Be certain air cleaner is
clean before adjusting carburetor. Refer
to the separate engine manual.
Idle Speed
Adjusting Screw
Idle Mixture
Valve
Discharge Chute Door Mechanism—The torsion
spring and pivot point should be lubricated periodical­
ly with light oil to prevent any rust or binding. Door must
work freely.
Wheels—Lubricate the wheel bearings at least once
a season with light oil. Also, 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.
Engine—Follow engine manual for lubrication in­
structions.
Throttle—Periodically lubricate throttle control lever
and throttle wire assembly with a few drops of light oil
for ease of operation.
Transmission—The transmission is pre-lubricated and
sealed at the factory. It does not require checking. If
disassembled for any reason, fill with 2 ounces of
Alvania grease, part number 737-0168.
FIGURE 19.
LUBRICATION
Ac
warn
I
n
^
Always stop engine and disconnect
spark
plug wire before cleaning,
lubricating or doing any kind of
work on lawn mower.
Blade Brake/Clutch—Lubricate the pivot points on the
blade brake/clutch handle and the cable at least once
a season with light oil. The control must operate freely
in both directions. See figure 20.
MAINTENANCE
Ac
warn
Ì
n
?
Be sure to disconnect and ground the
spark plug wire before performing any
repairs or maintenance.
FIGURE 20.
NOTE
When tipping the unit, empty the fuel
tank and keep engine spark plug side
up.
TROUBLE SHOOTING
Refer to page 22 of this manual for trouble shooting
information.
CUTTING BLADE
To remove the cutting blade for sharpening or replace­
ment, remove the two hex nuts and lock washers which
hold the blade to the blade brake/clutch. Protect hands
by using heavy gloves or a rag to grasp the cutting
blade. See figure 21.
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