425HD-MD INITIAL SETUP
Mower Deck Belts
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3-14 425HD-MD/masterdoc101602 425HD-MD INITIAL SETUP
3.17 Mower Deck Belts
The mower deck belts are located under the molded plastic belt covers on each deck. To
access each belt, remove the wing nuts and washers and lift the belt cover from the
mower deck.
The double-pulley idler belt tensioning system automatically tensions the belts on the
mower decks, thus eliminating the need for manual belt tension adjustment.
Check the belts for visible wear or damage. If any belt appears excessively worn, dam-
aged, cracked, weathered, or otherwise appears to pose an unsuitable or unsafe operat-
ing condition, replace the belt.
Check the belts for proper tension. If an idler tensioner pivots to its maximum stroke with-
out adequately tightening the belt, you need to replace the belt. If the belt you are check-
ing is new, and the idler tensioner pivots 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 Articulator.
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 Articulator.
Be sure that each idler pulley 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.
Clean each entire deck (including under the belt covers) of all excess grease, oil, fuel,
grass, or debris before operating the Articulator. This will help prevent damage to the
equipment, fire hazard, and projectile hazards.
Be sure to replace all belt covers and hardware.
NEVER inspect, adjust, or change the deck belts while the engine is
running!
ALWAYS clean each entire deck (including under the belt covers) of
all grease, oil, fuel, grass, or debris to prevent fire & projectile
hazards!
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