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108548_0711 5-3
manufacturer’s recommendation.
Engine air filter
Perform engine air filter maintenance per the engine’s
owner’s manual.
General engine maintenance
Detailed instructions and recommendations for break-in and
regular maintenance are specified in the Engine Owner’s
manual. Please refer to this manual for engine servicing,
lubricating oil levels with quality and viscosity
recommendations, bolt torques, etc. The engine warranty is
backed by the manufacturer. Special attention should be paid to
applicable data which will not be duplicated here.
WARNING: Do not change engine governor setting
or overspeed the engine.
Mower blade maintenance
Check the mower blade daily, it is the key to power efficiency
and well groomed turf. Keep it sharp, a dull blade will tear
rather than cut the grass, leaving a brown ragged top on the
grass within a few hours. A dull blade also requires more power
from the engine.
Replace any blade which is bent, cracked or broken.
WARNING: Mower blades are sharp and can cut.
Wrap the blade(s) or wear gloves and use extra caution
when servicing them.
WARNING: Never attempt to straighten a bent blade
by heating, or weld a cracked or broken blade as the
blade may break and cause serious injury. Replace
worn or damaged blades.
DANGER: Never work with blades while engine is
running. Always disconnect the spark plug wire from
spark plug when working under the mower. Wear
gloves when handling blades. Always check for
blade damage if mower strikes a rock, a branch or
other foreign objects during mowing!
WARNING: Always wear adequate eye protection
when grinding mower blades.
WARNING: Failure to correctly torque the blade
mounting bolts may result in the loss of the blade
which can cause serious injury.
A. Checking the blade
1. When checking the blade, lay the mower on it’s side
with the carburetor on the upside.
2. Confirm that the blade is not chipped, bent or worn.
Fig. 5-3
3. If the blade or the blade bolts are damaged, replace
with Hustler approved parts.
4. Torque the blade bolts to 26.0-33.0 ft.-lbs
(35-45 Nm). Fig. 5-4
B. Replacing the blade
1. Lay the mower on it’s side with the carburetor on the
upside.
2. Loosen the blade mounting bolts and remove the
blade.
3. Clean the underneath side of the mower housing and
around the blade mounting bracket.
4. Attach blade using the blade mounting bolts and
torque between 26 - 33 ft.-lbs (35 - 45 Nm). Fig. 5-4
NOTE: Check the blade for balance following grinding. A
commercial balancing tool is available through most hardware
supply stores, or balancing can be done by placing the blade on
an inverted line punch. Blade should not lean or tilt. Spin the
blade slowly, blade should not wobble. If blade is out of bal-
ance, true it up before reinstalling.
WARNING: Mower blades are sharp and can cut.
Wrap the blade(s) or wear gloves and use extra caution
when servicing them.
Fig. 5-2
Oil drain
plug
Oil pan
Fig. 5-3
Fig. 5-4
New blade Chip Bend Wear
Blade
Bolts
Torque to
26 - 33 ft.-lbs.
(35 - 45 Nm)