425HD-MD INITIAL SETUP
Mower Deck Height Cable Calibration (425MD)
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3-20 425HD-MD/masterdoc101602 425HD-MD INITIAL SETUP
3.25 Mower Deck Height Cable Calibration (425MD)
Occasionally, you will need to calibrate the mower deck height. Follow these procedures
to calibrate:
1. Park the Articulator on a flat, level surface. Be sure to turn off the engine and set the park-
ing brakes before making any adjustments to the Articulator.
2. Be sure both rear drive tires are properly inflated to 10 lb. PSI.
3. Be sure all gauge wheels are pointing forward.
4. Set the deck height adjustment arm spacers to 2”.
5. Measure the front of each deck from the bottom of the pan to the floor. They should all
measure 2”, +/- 1/8”.
6. If any deck does not fall within this range, place 2” blocks underneath the front and back
of each deck. Make sure that the 2” blocks are positioned on a flat surface. The 2” blocks
need to be positioned at the closest point to each wheel.
7. Starting with the center deck first, adjust the cable by loosening the front nut at the end of
the deck cable. Adjust the two rear nuts to raise or lower the deck. When standing in front
of the deck, turning the rear cable nuts counter-clockwise will raise the deck, clockwise
will lower it. Once adjusted, tighten both rear nuts to lock them into place.
8. Proceed to the next deck height adjustment arm. Turn the arm until the deck is at two
inches. When standing in front of the rocker arm, turning the rear control arm nuts
counter-clockwise will raise the deck, clockwise will lower it.
9. Continue with the other decks until all decks have been adjusted.
10. Remove the 2” blocks from under the deck.
11. Re-measure the fronts of all decks. They should all measure 2”, +/- 1/8”, from the bottom
of the pan to the floor. If any deck does not fall within this range, repeat steps 7, 8 an 9.
12. Re-measure all decks, and repeat adjustment procedures if necessary.
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