Initial Set-Up
Hydrostatic Pump Belt
Initial Set-Up Lastec//061714 3-11
3
3.11 Hydrostatic Pump Belt
WARNING!
NEVER inspect, adjust, or change the hydrostatic pump belt while the engine is
running!
The hydrostatic pump drive belt is located at the front of the engine, between the radiator
and the engine block. The hydraulic belt idler is mounted on the engine framework. The
idler should tension the belt properly so that additional adjustments are not necessary.
Check the belts for visible wear or damage. If
belt appears excessively worn, damaged,
cracked, weathered, or otherwise appears to
pose an unsuitable or unsafe operating condi-
tion, replace the belt.
Check the belt for 35-45 lbs. tension. If the
idler tensioner rotates to its maximum stroke
without adequately tightening the belt, you
need to replace the belt. If the belt you are
checking is new, and the idler tensioner goes
to its maximum stroke without adequately
tightening the belt, it is likely you have
installed the wrong size belt. Contact your
Lastec dealer for the proper belt lengths for
your Lastec Mower.
If you are unable to install a new belt with the
idler system at its minimum stroke, it is likely
you are installing the wrong size belt. Contact your Lastec dealer for proper belt lengths
for your Lastec Mower.
Be sure that the idler tensioning spring is properly installed and in good condition. If for
some reason this spring becomes loose, detached, or fatigued, the idler will not properly
tension the belt.
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