Sears 247.88853 - Manual (Page 17)

17
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.
• Some adjustments will have to be made
periodically to maintain your unit properly.
• All adjustments in the Service and Adjustments
section of this manual should be checked at least
once each season.
• Follow the maintenance schedule given below.
• Periodically check all fasteners and make sure
these are tight.
Lubrication
Figure 20: Lubrication Chart
Drive and Shifting Mechanism
• At least once a season or after every 25 hours of
operation, remove rear cover. Lubricate any chains,
sprockets, gears, bearings, shafts, and the shifting
mechanism at least once a season. Use engine oil
or a spray lubricant.
IMPORTANT: Avoid spillage of oil on rubber friction
wheel and aluminum drive plate.
Auger Shaft
• At least once a season, remove the shear bolts
from the auger shaft and spray lubricant inside the
shaft. See Figure 21.
Figure 21
Auger Bearings and Shaft
• Every season lubricate the auger bearings and the
bearings on the side of the frame with light oil. See
to Figure 21 .
Discharge Chute
• The base of the discharge chute and the spirals on
the chute crank should be lubricated at least every
25 hours of use. Apply the lubricant under the base
of the chute and where the spirals contact the
discharge chute. See Figure 22 .
Figure 22
WARNING: Always stop the engine and
disconnect the spark plug wire before
performing any maintenance or adjustments.
LUBE
LUBE
LUBE
LUBE
Notes: For more details on the
lube points, check the next
four figures.
Bearings
Vent Plug
Shear Bolts
Lube under
chute base
Chute Crank
Spirals
MAINTENANCE