602900_0211 4-5
shield.
Engine air filter
Perform engine air filter maintenance per the engine’s
owner’s manual.
General engine maintenance
IMPORTANT: 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 servic-
ing, lubricating oil levels with quality and viscosity recommen-
dations, 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.
Fuel evaporation system filter
All Hustler Fastrak mowers have a fuel evaporation system
filter. This filter must be checked and replaced every 300 hours
or annually whichever comes first. Figure 4-5
Mower blade maintenance
Check the mower blades daily, they are the key to power
efficiency and well groomed turf. Keep them 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.
Mower blade removal
Use a 15/16” wrench to remove the 5/8” cap screw holding
the blade to the spindle shaft from underneath. NOTE: A blade
holding tool (part number 381442) is available from Hustler
Turf Equipment. It is designed to prevent the blades from
rotating when they are being removed or installed on the
spindle. Contact your Hustler dealer for more information.
Sharpen the blades on a grinder following pattern as shown
(Figure 4-6). Touch-up sharpening can be done with a file
Check the blades 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 or 5/8” bolt. Blade should not lean or tilt.
Spin the blade slowly, blade should not wobble. If blade is out
of balance, true it up before reinstalling.
Lay the blade on a flat surface and check for distortion
(Figure 4-7 & Figure 4-8). Replace any distorted blade.
Do not re-use spindle bolts which have stripped, worn or
undercut threads. Torque bolts on spindles to 118 foot-pounds
(160.0 Nm) when reinstalling blades.
Properly compressed cup washers maintain the correct
compression load on the blades. Replace the cup washers if they
Figure 4-4
Figure 4-5
Fuel evaporation
system filter
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.
Never work with blades while engine is running or deck
clutch switch is engaged (on). Always place deck clutch
switch in the disengaged position, place steering control
levers in the park brake position and turn engine off and
disconnect negative battery cable. Block up mower when
you must work under it. Wear gloves when handling
blades. Always check for blade damage if mower
strikes rock, branch or other foreign object during mow-
ing!
Always wear adequate eye protection when grinding
mower blades.
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