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8 Operation
29932 (Rev. 8/10/2007)
Figure 1. Attitude Adjustment
NOTICE
■ Improper belt alignment or tension can cause
premature belt failure.
Lubrication
Grease caster pivot and wheel every 8 hours of opera-
tion.
There are grease fittings on each of the three blade
spindles, which are accessible without shield removal.
Grease every 24 hours of operation with a good grade
light to medium grease gun.
NOTICE
■ Do not over grease spindles. Excess grease
could be transferred to the belt and cause slippage
or premature failure.
Belt Tension (Figure 2)
Set belt tension using a spring scale or other force
measuring device. Remove left belt shield. Attach scale
between center and left pulley. Apply between 3 and 4
pounds of force. Belt deflection should measure 5/16"
for normal conditions.
Tension may be increased if necessary to prevent belt
from slipping in heavy mowing conditions. When
checking tension without a force measuring device, the
belt, when properly set, should feel very tight.
Cycle belt through at least two revolutions after any
adjustment before checking tension. These belts are
very strong and need to be adjusted very tight. Belts
are more likely to be damaged by excessive slippage
than from being overtightened.
NOTICE
■ Belt must not rub deck or crosswise support.
Tension adjustments may be made by moving the idler
pulleys up or down.
Figure 2. Proper Belt Tension
NOTICE
■ Alignment must be rechecked if it is necessary
to move idler pulleys to get proper belt tension.
■ Tension on a new belt should be readjusted
every half hour for the first two hours and then
checked every 8 hours of operation.
Side Shield & Discharge Chute
Side shield and discharge chute are provided for dis-
charge end of mower (left end on white frames and
right end on yellow frames). Use side shield for normal
mowing and in areas where other persons may be
present. Use discharge chute for very heavy mowing
conditions.
NOTICE
■ Always use either side shield or discharge
chute.
Optional Equipment
Optional equipment available for this equipment
includes casters for cutting height control, front roller to
minimize scalping, low and extra suction blades, and a
leaf mulcher. Low suction blades are for sandy areas
where abrasive action could cause excessive blade
wear. Extra suction blades are designed to lift up fragile
downed grasses for better cutting results and are also
recommended for use with leaf mulcher attachments.
Mower Spindle Assemblies
Mower spindle assemblies are equipped with two
tapered roller bearings. Bearing adjustment is held by a
roll pin. Adjustment should not be necessary. Repair
requires special skills and tools. You may save time
and money by using a new spindle assembly.