McCulloch MC30 - Manual (Page 22)

22
SERVICE AND ADJUSTMENTS
RIDING MOWER
TO REMOVE MOWER
1. Place deck clutch in “DISENGAGED"
position.
2. Move mower height adjustment lift lever
forward to low er mower to its lowest
po si tion.
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.
WARNING: TO AVOID SERIOUS INJURY, BEFORE PERFORMING ANY
SER VICE OR AD JUST MENTS:
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 INSTALL MOWER
Install in reverse order following instructions
in "TO REMOVE MOWER" section.
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.
Deck Leveling
Side to Side
Rod Bolt
Mandrel Cover
Deck Lift
Link Pin
Front Leveling
Rod Bolt
Mower
Suspension
Arm Pin
23
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 dis
tance "A" from bot tom edge
of mower to ground level at front corners
of mower.
A A
Bottom Edge of
Mower to Ground
Bottom Edge of
Mower to Ground
• 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".
• Recheck measurements after ad just ing.
F F
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 dis tance “F” directly in front
and behind the mandrel at bottom edge of
mower housing as shown.
Nut "G"
Nut "H"
Trunnion
• 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
trun nion on front link.
NOTE: Each full turn of "G" will change "F"
by approximately about 3/8".
• Recheck side-to-side adjustment.
Turn nut right
to lower mower
Turn nut left
to raise mower
Adjustment Nut