425HD-MD INITIAL SETUP
Mower Deck Height Cable Calibration (425HD)
425HD-MD INITIAL SETUP 425HD-MD/masterdoc101602 3-19
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3.24 Mower Deck Height Cable Calibration (425HD)
Occasionally, you will need to calibrate the mower deck height cables (425HD Only). Fol-
low 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 brake 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, you will need to adjust the corresponding cable
for that deck. The adjustment point is on the rocker tube. If you would run out of adjust-
ment, an additional adjustment point is located on the inside of the frame.
7. To adjust the cable on the rocker, loosen 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 rocker, 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. 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 the cable adjust-
ment procedures for that deck.
9. Once the fronts of the decks are adjusted, you must adjust the rear of the decks to mea-
sure between 2” and 2 1/2”.
10. Loosen the lock nut on the tie rod running from deck 2 to the rear dual wheel axle.
11. From in front of the deck, turn the tie rod counter-clockwise to raise the decks, clockwise
to lower them. Adjust the tie rod until the rears of all decks measure between 2” and 2
1/2”.
12. Tighten the tie rod lock nut.
13. Re-measure all decks, and repeat adjustment procedures if necessary.
NEVER make any adjustments to the deck height while the engine is
running!
ALWAYS be sure to set the parking brake before making any
adjustments to the Articulator!
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