Replacing The Cutting Blade - American Lawn Mower Co. 50514 Manual Del Operario

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.
WARNING:
Always protect hands by wearing heavy gloves and/or
wrapping the cutting edges of the blade with rags and
other material when performing blade maintenance.
Failure to heed this warning could result in serious
personal injury.

REPLACING THE CUTTING BLADE

See figures 11-12
NOTES: Only use identical replacement blades.
•
Stop the motor. Allow the blade to come to a complete
stop.
•
Disconnect the power supply.
•
Turn the mower on its side.
Fig. 11
•
Wedge a block of wood (C) between the blade (A) and
mower deck to prevent the blade from turning.
•
Loosen the blade nut by turning it COUNTERCLOCK
WISE (as viewed from bottom of the mower) using a
17mm wrench or socket (B) (not provided).
•
Remove the blade nut and blade.
MAINTENANCE
Fig. 12
•
Place the new blade (B) onto the shaft (A). Ensure
blade is properly seated with the two blade posts
(D) inserted into the holes (F) on the blade. Make
sure it is installed with the curved ends pointing up
toward the mower deck and not down toward the
ground. When seated properly, the blade should be
flat.
•
Replace the blade, then thread the blade nut (C)
onto the shaft and finger tighten.
NOTE: Make certain all parts are replaced in the exact
order in which they were removed.
•
Torque the blade nut down CLOCKWISE using a
torque wrench (not provided) to ensure the nut is
properly tightened. The recommended torque for
the blade nut is 350-400 in. lbs.
Ensure blade is properly seated and the blade nut is
tightened to the torque specifications above. Failure to
properly attach the blade could cause it to come loose
or detach and result in possible serious personal
injury.
12
Model 50514
WARNING: