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Operating - 10
OPERATING
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MX20100
a. Loosen jam nuts (D) and adjust nuts (E) on each U-bolt until side-to
side level is reached.
b. Tighten jam nuts (D).
Checking Level (Front-to-Rear)
1. Set height-of-cut (HOC) to the 76 mm (3 in.) cutting height position.
NOTE: The height of the rear blade tip should be between 3-6 mm (1/
8-1/4 in.) higher than the front blade tip.
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MX20122
2. Position right mower blade (F) (discharge side) parallel to the direction
of travel.
3. Measure distance (G) from front blade tip to the ground.
4. Turn blade 180° and measure from rear blade tip to the ground.
5. If the front-to-rear level is not within the tolerance, an adjustment is
necessary.
Adjusting Level (Front-to-Rear)
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NOTE: Adjust side-to-side mower level before adjusting front-to-rear
level.
Adjust both sides of the mower deck equally.
All lift chains must remain taut.
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MX20099
1. Loosen jam nut (H) on both deck lift assist rods.
2. Adjust front-to-rear mower level:
• Turn nut (I) on both sides clockwise to raise front of mower deck, or
counterclockwise to lower front of mower deck.
3. Verify that the adjustment on right and left sides is equal.
4. Tighten jam nuts (H).
5. Check front-to-rear mower level.
Checking and Adjusting Cutting Height
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Checking Overall Cutting Height
1. Inflate tires to correct pressure.
2. Lower mower deck to the 76 mm (3 in.) cutting height.
3. Position right mower blade (discharge side) parallel to the direction of
travel.
4. Measure from the front of the blade tip to the ground.
5. If blade tip height is not within 73-79 mm (2-7/8-3-1/8 in.), an
adjustment is needed.
IMPORTANT: Avoid damage: Adjust the left and right deck lift
assist rods equally.
CAUTION: Avoid injury! Rotating blades are dangerous.
Before adjusting or servicing mower:
•Disconnect spark plug wire(s) or battery negative (-)
cable to prevent engine from starting accidentally.
•Always wear gloves when handling mower blades or
working near blades.