To Replace Mower Drive Belt

SERVICE AND ADJUSTMENTS

SUSPENSION ARM

LIFT LINK ADJUSTMENT NUT

FIG. 21

FRONT-TO-BACK ADJUSTMENT (See Figs. 22 and 23)

IMPORTANT: DECK MUST BE LEVEL SIDE-TO-SIDE. IF THE FOLLOWING FRONT-TO-BACK ADJUSTMENT IS NECESSARY, BE SURE TO ADJUST BOTH FRONT LINKS EQUALLY SO MOWER WILL STAY LEVEL SIDE-TO-SIDE.

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

CAUTION: Bladesaresharp.Protectyour hands with gloves and/or wrap blade with heavy cloth.

Check adjustment on right side of tractor. Position any blade so the tip is pointing straight forward. Measure distance "B" at front and rear tip of the blade.

•Before making any necessary adjustments, check that both front links are equal in length.

•If links are not equal in length, adjust one link to same length as other link.

•To lower front of blade, loosen nut “C” on both front links an equal number of turns.

NOTE: Each full turn of nut “C” will change distance. “B” by approximately 3/16".

•When distance “B” is 1/8" to 1/2" lower at front than rear, tighten nut “D” against trunnion on both front links.

MANDREL

•To raise front of blade, loosen nut “D” from trunnion on both front links. Tighten nut “C” on both front links an equal number of turns.

•When distance “B” is 1/8" to 1/2" lower at front than rear, tighten nut “D” against trunnion on both front links.

•Recheck side-to-side adjustment.

MOWER DRIVE BELT REMOVAL (See Fig. 24)

•Park tractor on a level surface. Engage parking brake.

•Lower mower to its lowest position.

•Disengage belt tention rod from lock bracket.

CAUTION: Rod is spring loaded. Have a tight grip on rod and release slowly.

•Remove screws from R.H. mandrel cover and remove cover.

•Remove any dirt or grass clippings which may have accumulated around mandrels and entire upper deck surface.

•Disconnect R.H. suspension arm from rear deck bracket by removing retainer spring.

•Roll belt over the top of R.H. mandrel pulley carefully.

•Remove belt from electric clutch pulley.

•Remove belt from idler pulleys.

•Check primary idler arm and two idlers to see that they rotate freely.

•Be sure spring is securely hooked to primary idler arm and spring arm.

MOWER DRIVE BELT INSTALLATION (See Fig. 24)

•Install belt in both idlers.

•Install new belt onto electric clutch pulley.

•Roll belt into upper groove of R.H. mandrel pulley carefully.

•Carefully check belt routing making sure belt is in the grooves correctly.

•Reconnect R.H. suspension arm to rear deck bracket with retainer spring.

•Reassemble R.H. mandrel cover.

•Engage belt tension rod by pushing rod into locking bracket.

“B”“B”

FIG. 22

BOTH FRONT LINKS MUST BE EQUAL IN LENGTH
	TRUNNION
NUT “D”
FRONT	NUT “C”
PLATE
ASSEMBLY

BELT

	TENSION ROD	RH
		SUSPENSION
	(DISENGAGED
		ARM
	POSITION)

IDLER

PULLEY

SPRING

ARM

PRIMARY

IDLER ARM

R.H.

MANDREL

RH MANDREL COVER

ELECTRIC

CLUTCH

PULLEY

IDLER

PULLEY

FIG. 24

FIG. 23