McCulloch MC30 Service and Adjustments, To Level Mower Housing, To Remove Mower, To Install Mower

SERVICE AND ADJUSTMENTS

WARNING: TO AVOID SERIOUS INJURY, BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS:

1.Depress clutch/brake pedal fully and set parking brake.

2.Place motion control lever in neutral (N) position.

3.Place deck clutch in “DISENGAGED” position.

4.Turn ignition key to “STOP” and remove key.

5.Ensure the blade and all moving parts have completely stopped.

6.Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with plug.

TO LEVEL MOWER HOUSING

Adjust the mower while riding mower is parked on level ground or driveway. Ensure tires are properly inflated. If tires are over or underinflated, you will not properly adjust your mower.

SIDE-TO-SIDE ADJUSTMENT

•Raise mower to its highest position.

•Measure distance "A" from bottom edge of mower to ground level at front corners of mower.

Bottom Edge of	Bottom Edge of
Mower to Ground	Mower to Ground

FRONT-TO-BACK ADJUSTMENT

IMPORTANT: Deck must be level side-to side.

To obtain the best cutting results, the mower housing should be adjusted so that the front is approximately 1/8" to 1/2" lower than the rear when the mower is in its highest position.

Check adjustment on right side of riding mower. Measure distance “F” directly in front and behind the mandrel at bottom edge of mower housing as shown.

RIDING MOWER

TO REMOVE MOWER

1.Place deck clutch in “DISENGAGED" position.

2.Move mower height adjustment lift lever forward to lower mower to its lowest position.

3.Remove mandrel cover.

4.Remove pins holding left and right front mower suspension arms in place.

5.Remove bolt holding deck front to rear leveling rod in place.

6.Remove pin holding deck lift link arm in place.

7.Remove bolt holding deck side to side leveling rod in place.

8.Remove belt from around pulleys.

9.Slide deck out from under side of mower.

TO INSTALL MOWER

Install in reverse order following instructions in "TO REMOVE MOWER" section.

A A

•To raise the right side of the mower, tighten lift link adjustment nut.

•To lower the right side of the mower, loosen lift link adjustment nut.

NOTE: Each full turn of adjustment nut will change mower height about 3/16".

FF

• To lower front of mower housing turn nuts
	“G” and “H” clockwise.
•	When distance “F” is 1/8" to 1/2" lower
	at front than rear, tighten nut “H” against
	trunnion on front link.
• To raise front of mower housing turn nuts
	“G” and “H” counter clockwise.
•	When distance “F” is 1/8" to 1/2" lower
	at front than rear, tighten nut “H” against

Deck Leveling

Side to Side

Rod Bolt

Mandrel Cover

•Recheck measurements after adjusting.

Adjustment Nut

Turn nut left	Turn nut right
to raise mower	to lower mower

trunnion on front link.

NOTE: Each full turn of "G" will change "F" by approximately about 3/8".

• Recheck side-to-side adjustment.

Nut "H"

Front Leveling Rod Bolt

Mower

Suspension

Arm Pin

Deck Lift Link Pin

Trunnion

Nut "G"

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