Blade Sharpening - Lawn-Boy Silver Serie Manuel De L'utilisateur

Blade Removal — Models 10248, 10327,
10328 & 10330
1. Tip mower onto side opposite from air filter
(Fig. 23). The air filter should be pointing up
when mower is tipped on its side.
2. Remove the blade nut (Fig. 26).
3. Remove the blade from the blade driver
(Fig. 26).
4. Examine the blade cutting edges for nicks,
cutting angle and sharpness. Sharpen or replace
if necessary.
5. Examine the blade driver for bent or sheared
drive lugs. Replace if necessary.

Blade Sharpening

POTENTIAL HAZARD
When sharpening blade, pieces of blade
could be accidentally thrown.
WHAT CAN HAPPEN
Thrown objects can cause serious eye
injury.
HOW TO AVOID THE HAZARD
Wear proper eye protection when
sharpening blade.
1. Sharpen only the leading edge of blade with a
file or grinder. Do not sharpen beyond the
recommended area.
Note: Blade should not be ground more than
5 inches (127 mm) from outside ends
and no less than 2 inches (51 mm)
from trailing edge (Fig. 27).
All manuals and user guides at all-guides.com
Blade Balancing
1. Check the balance of blade by placing the center
hole of blade over a nail or screwdriver shank
clamped horizontally in a vise (Fig. 28).
2. If either end of blade rotates downward, grind or
file that end (not the cutting edge). Blade is
properly balanced when neither end drops.
Blade Installation — Models 10200,
10249, 10313 & 10321
1. Install the blade driver onto the crankshaft (if
removed) (Fig. 25).
2. Locate the blade over the lugs of the blade driver
with the curved ends toward the mower housing.
3. Install the mulch fan into the blade recess and
secure with blade nut (Fig. 29).
4. Torque the blade nut to 47 ft.–Ibs. (63 N m).
Note: Blade nut must be replaced after
installing and removing four (4) times.
Locking feature will decrease and nut
could loosen if not replaced.
5. Reconnect the spark plug wire when
maintenance is completed (Fig. 4).
Blade Installation — Models 10248,
10327, 10328 & 10330
1. Install the blade driver onto the crankshaft (if
removed) (Fig. 26).
2. Locate the blade over the lugs of the blade driver
with the curved ends toward the mower housing.
3. Secure the blade with the blade nut.
4. Torque the blade nut to 47 ft.-lbs. (63 N m).
Note: Blade nut must be replaced after
installing and removing four (4) times.
Locking feature will decrease and nut
could loosen if not replaced.
EN–13