Lubrication; Engine Oil - Craftsman 247.886640 Owner's Manual

Lubrication
&
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.
iMPORTANT:When lubricating engine or draining oil,
avoid drippingoil onto transmission parts.
Wheels
Oil or spray lubricant into bearings at wheels at
least once a season. Pull klick pin, remove wheels,
clean and coat axles with a multipurpose
automotive grease. See Figure 15
Drive and Shifting Mechanism
• Remove rear cover. Oil any chains, sprockets,
gears, bearings, shafts, and shiftingmechanism at
least once a season. See Figure 17. Use engine oil
or a spray lubricant. Avoid getting oil on rubber
friction wheel and aluminum drive plate.
Lever
KlickPin
\
Oil bearings
' lubricant
Figure 15
Chute Directional Control
• The worm gear on the chute control should be
lubricated with multipurposeautomotive grease.
Auger Shaft
• At least once a season, remove shear bolts on
auger shaft. Oil or spray lubricant inside shaft and
lubricatethe auger bearings. See Figure 16.
Shear Bolts
Bearings
Figure 16
Gear Shaft
Lubricate the gear shaft with a good all-weather
multi-purpose lightgrease at least once a season or
after every 25 hours of operation. Keep al! grease
and oil oft the friction wheel and drive plate.
Lube
Gear
Sha_
Gear Case
)n
friction wheel
and drive plate
Figure 17
• The worm gear case has been filled with grease at
the factory. If disassembled for any reason,
lubricatewith 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.
Friction Wheel
The rubber on the friction wheel is subjectto wear
and should be checked after 25 hours of operation,
and periodically thereafter. Replace the friction
wheel rubber if any signs of wear or cracking are
found following instructions on page 18.
Engine Maintenance
Engine Oil
Only use high quality detergent oil rated with API
service classificationSF, SG or SH. Select the oil's
SAE viscosity grade according to the expected
operating temperature.
colder _
320 F_
warmer
I _ SAE30
5w3o I
Viscosity Chart
14