Initial Set-Up
Hydrostatic Pump Belt
Initial Set-Up Lastec//030910 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, weath-
ered, or otherwise appears to pose an unsuitable or
unsafe operating condition, replace the belt.
Check the belt for 45-50 lbs. tension. If the idler ten-
sioner 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 tighten-
ing 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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