Adjusting Mower Deck Level

1. Verify vehicle tire pressure is correct. (See Specifications Section for correct tire pressures.)

2. Verify deck HOC settings (front and rear adjustment points) are all at the same position.

3. Check mower deck level; front-to-rear and side-to-side. (See Checking Mower Deck Level in this section.)

4. 
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   If rake (front-to-rear leveling) is not correct adjust the rear hanger:

   1. Raise the mower deck and lock the lift arm service latches.

   2. Loosen the locknut (A) on the rear hanger.

   3. Remove the retainer ring (B) on the hanger pin (C).

   4. Remove the hanger pin (C) from the adjustment plate (D). Make note of what hole it was removed from.

   5. Turn the hanger pin to adjust the rear hanger:

      • Adjust the rear hanger up to increase rake.
      • Adjust the rear hanger down to decrease the rake.
      
      

   6. Insert the hanger pin back into previous hole position from above in adjustment plate (D) and secure with retainer ring.

   7. Repeat the adjustment procedure for the hanger on the other side of the mower.

   8. Lower mower deck and check front-to-rear level. Rotate the blade so it is facing front-to-back on the deck.

      • The blade height must match the cutting height setting for the front tip of the blade.
      • The blade height must be 3—6 mm (1/8—1/4 in.) higher at the rear blade tip.
      
      

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   9. Repeat steps A through H as necessary.

      NOTE:

      
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      There is a 6 mm (1/4 in.) spacer washer (E) on the bottom of the caster wheel spacer assembly. It can be necessary to move the 6 mm (1/4 in.) spacer above the caster wheel bracket to help with this adjustment.

   10. Tighten the locknut (A) on both sides of the mower.

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5. After setting the rake, check the side-to-side level.

6. 
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   If side-to-side blade tip height is not within 3 mm (1/8 in.), an adjustment is needed:

   1. Raise the mower deck and lock the lift arm service latches.

   2. Loosen the locknut (A) on the rear hanger.

   3. Remove the retainer ring (B) on the hanger pin (C).

   4. Remove the hanger pin (C) from the adjustment plate (D). Make note of what hole it was removed from.

   5. Turn the hanger pin to adjust the rear hanger:

      • Adjust the rear hanger up to raise that side of the deck. (Note: This also increases rake.)
      • Adjust the rear hanger down to lower that side of the deck. (Note: This also decreases the rake.)
      
      

   6. Insert the hanger pin back into previous hole position from above in adjustment plate (D) and secure with retainer ring.

   7. Adjustment for the hanger on the other side of the mower may also be needed.

   8. Lower mower deck and check side-to-side level.

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   9. Repeat steps A through H as necessary.

      NOTE:

      
      TCT010379-UN-20FEB14

      There is a 6 mm (1/4 in.) spacer washer (E) on the bottom of the caster wheel spacer assembly. It can be necessary to move the 6 mm (1/4 in.) spacer above the caster wheel bracket to help with this adjustment.

   10. Tighten the locknut (A) on both sides of the mower.

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7. Check mower deck level. (See Checking Mower Deck Level in this section) and repeat if needed.