Poulan 183981 To Level Mower Housing, To Replace Mower Blade Drive Belt See Fig, Belt Removal

SERVICE AND ADJUSTMENTS

TO LEVEL MOWER HOUSING

Adjust the mower while tractor is parked on level ground or driveway. Make sure tires are properly inflated (See “PRODUCT SPECIFICATIONS” section of this manual). If tires are over or underinflated, you will not properly adjust your mower.

SIDE-TO-SIDE ADJUSTMENT (See Figs. 16 and 17)

•Raise mower to its highest position.

•At the midpoint of both sides of mower, measure height from bottom edge of mower to ground. Distance “A” on both sides of mower should be the same or within 1/4" of each other.

•If adjustment is necessary, make adjustment on one side of mower only.

•To raise one side of mower, tighten lift link adjustment nut on that side.

•To lower one side of mower, loosen lift link adjustment nut on that side.

NOTE: Three full turns of adjustment nut will change mower height about 1/8".

•Recheck measurements after adjusting.

BOTTOM EDGE OF	BOTTOM EDGE
MOWER	OF MOWER
TO GROUND	TO GROUND

“A”	“A”
	GROUND LINE

FIG. 16

SUSPENSION ARM

LIFT LINK

ADJUSTMENT

NUT

FIG. 17

FRONT-TO-BACK ADJUSTMENT (See Figs. 18 and 19)

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 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 high- est position.

rear, tighten nuts “F” against trunnion on both front links.

•To raise front of mower, loosen nut “F” from trunnion on both front links. Tighten nut “E” on both front links an equal number of turns. The two front links must remain equal in length.

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

•Recheck side-to-side adjustment.

MANDREL

"D" "D"

FIG. 18

BOTH FRONT LINKS MUST BE EQUAL IN LENGTH

NUT "F"

NUT "E"

TRUNNION

FRONT LINKS

FIG. 19

TO REPLACE MOWER BLADE DRIVE BELT (See Fig. 20)

The mower blade drive belt may be replaced without tools. Park the tractor on level surface. Engage parking brake.

BELT REMOVAL -

•Place attachment clutch in “DISENGAGED” position.

•Move attachment lift lever forward to lower mower to its lowest position.

•Roll belt off engine pulley.

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

•Work belt off both mandrel pulleys and idler pulleys.

Check adjustment on right side of tractor. Measure distance		• Pull belt away from mower.
“D” directly in front and behind the mandrel at bottom edge		BELT INSTALLATION -
of mower housing as shown.
• Before making any necessary adjustments, check that		• Work new belt around both mandrel pulleys and idler
		pulleys.
both front links are equal in length.
		• Install new belt into engine pulley grove.
• If links are not equal in length, adjust one link to same
		• Reconnect R.H. suspension arm and secure with re-
length as other link.
• To lower front of mower loosen nut “E” on both front		tainer spring.
		• Make sure belt is in all pulley grooves and inside all
links an equal number of turns.
• When distance “D” is 1/8" to 1/2" lower at front than	20	belt guides.