Craftsman 247.88664 Owner's Manual page 11

General Recommendations
Always observe safety rules when performing any
maintenance.
The warranty on this snow thrower does not cover
items that have been subjected to operator abuse
or negligence. To receive full value from the
warranty, operator must maintain the snow thrower
as instructed in this manual.
Follow the maintenance schedule given below.
Periodically check all fasteners and make sure
these are tight.
_ WARNING:
Before lubricating, repairing, or
inspecting, disengage all clutch levers and stop
engine. Wait until all moving parts have come
to a complete stop. Disconnect spark plug wire
and ground it against the engine to prevent
unintended starting.
Maintenance Schedule
Maint. Tasks
Before Aftereach &fterfirst2 Every25 Every50 Before
Service Dates
_=achuse use hours hours hours storage
operation operation operation
Product: , , ,
Lubricate pivotpoints I I I I _ I
Clean equipment
Clean skid shoe
Check V belts
Engine:
Check engine oil
Change engine oil _
Check spark plug I I I I
Empty fuel system
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Lubrication
Wheels: Oil or spray lubricant into bearings at
wheels at least once a season. Pull ktick pin,
remove wheels, clean and coat axles with a
multipurpose automotive grease. See Figure 7.
Oil bearings
Klick Pin , lubricant
Figure 7
Gear Shaft: Lubricate the gear shaft with a good
all-weather multi-purpose light grease at least once
a season or after every 25 hours of operation. Keep
all grease and oil off the friction wheel and drive
plate.
IMPORTANT: When lubricating engine or draining oil,
avoid spillage onto transmission parts.
Gear Case: The worm gear case has been filled
with grease at the factory. If disassembled for any
reason, lubricate with 2 ounces of shell grease.
IMPORTANT: Do not overfill the gear case. Damage to
the seals could result. Be sure the vent plug is free of
grease in order to relieve pressure.
Drive and Shifting Mechanism: Remove rear
cover. Oil any chains, sprockets, gears, bearings,
shafts, and shifting mechanism at least once a
season. See Figure 8. Use engine oil or a spray
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