Lubrication; Replacing The Mower Blade - Craftsman 151.98834 Operator's Manual

LUBRICATION

All of the bearings in this product are
lubricated with a sufficient amount of high
grade lubricant for the life of the unit under
normal operating conditions. Therefore, no
further bearing lubrication is required. At the
beginning and end of each mowing season:
■ Lubricate the springs on the rear safety flap
with light oil.
■ Lubricate the cutting height adjustment
lever (13) and related hardware with light oil.
■ Turn the mower on its side and lubricate the
front and rear wheel axles and axle insertion
points into the wheels with light oil.
■ Remove the blade and blade hub assembly
and lubricate the motor shaft with light oil or
engine oil. See Replacing the Mower Blade
for instructions on removing the blade.
WARNING
Always protect hands by wearing heavy
gloves and/or wrapping the cutting edges of
the blade with rags and other materials when
performing blade maintenance. Failure to
heed this warning could result in serious
personal injury.
WARNING
Before performing any maintenance, make
sure the mower is unplugged from the power
supply and the battery has been removed.
Failure to heed this warning could result in
serious personal injury.
CARE AND MAINTENANCE
19 ― English

REPLACING THE MOWER BLADE

See Figures 24-25, page v
NOTE: Remove safety key and battery before
performing any maintenance!
NOTE: Only use identical replacement
blades. Craftsman mower blade replacement
part# 71.98831.
■ Stop the motor and allow the blade to come
to a complete stop.
■ With blade stopped, remove SAFETY KEY
and BATTERY from mower and store in safe
location.
■ Wedge a block of wood between the blade
and the mower deck in order to prevent the
blade from turning when the nut is being
removed.
■ Loosen the blade nuts using a 14mm
wrench.
■ Remove the blade nuts and blade.
■ Place the new blade on the shaft .
■ Thread the blade nuts on the shaft and
finger tighten.
■ Torque the blade nuts down using a torque
wrench (not provided) to 25 N•m (221.5
pound-inches)to ensure the bolt is properly
tightened.
NOTE: Make certain all parts are replaced in
the exact order in which they were removed.