Bolens 820 thru 829 - Manual (Page 21)

LINKAGE
CARBURETOR ADJUSTMENTS
A
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 adjustments may be required to
compensate for differences in fuel, temperature,
altitude and load. Refer to separate engine manual
for carburetor adjustment information.
NOTE: A dirty air cleaner will cause an engine to
run rough. Be certain air cleaner is clean and
attached
to
carburetor.
the carburetor before adjusting
SECTIONS: LUBRICATION
A
WARNING: Always stop engine and
disconnect spark plug wire(s) before
cleaning, lubricating or doing any kind of
work on garden tractor.
STEERING GEARS
Lubricate teeth of steering gears with automotive
multi-purpose grease after every 25 hours of
operation or once a season. Refer to Figure 25.
STEERING SHAFT
Lubricate steering shaft at least once a season with
light oil.
TRANSAXLE
The transaxle is lubricated and sealed at the factory
and does not require checking. If disassembled for
any reason, lubricate with 32 oz. of Shell Darina
grease, part number 737-0148 (16 oz. tube).
Once a season lubricate all the pivot points on the
clutch, brake and lift linkage with SAE 30 engine oil.
WHEELS
The front wheels may be provided with grease
fittings. Lubricate at least once a season with
automotive multi-purpose grease.
PIVOT POINTS
Lubricate all pivot points with light oil at least once a
season.
BALL JOINTS
The ball joints and drag link ends are permanently
lubricated.
BLADE SPINDLES
The blade spindles on the cutting deck are
permanently lubricated.
SECTION 10: MAINTENANCE
A
WARNING: Disconnect the spark plug
wire(s) and ground against the engine
before performing any adjustments, repairs
or maintenance.
TROUBLE SHOOTING
Refer to the trouble shooting chart for information.
ENGINE
Refer to the separate engine manual for engine
maintenance instructions.
Maintain engine oil as instructed in the separate
engine manual packed with your unit. Read and
follow instructions carefully.
Service air cleaner every 25 hours under normal
conditions. Clean every few hours under extremely
dusty condition. To service the air cleaner, refer to
the separate engine manual packed with your unit.
The spark plugs should be cleaned and the gap
reset once a season. Spark plug replacement is
recommended at the start of each mowing season;
check engine manual for correct plug type and gap
specifications.
CLEANING ENGINE AND DECK
Any fuel or oil spilled on the machine should be
wiped off promptly. Grass, leaves, and other dirt
must not be allowed to accumulate around the
cooling fins of the engine or on any part of the
machine.
Clean the underside of the deck after each mowing.
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