Poulan 161608 - Manual (Page 21)

SERVICE AND ADJUSTMENTS
21
NUT "E"
TRUNNION FRONT LINKS
NUT "F"
FIG. 21
TO LEVEL MOWER HOUSING
Adjust the mower while tractor is parked on level ground or driveway.
Make sure tires are properly infl ated (See “PROD UCT SPECIFICATIONS”
on page 2 of this manual). If tires are over or underinfl ated, you will not
properly adjust your mower.
SIDE-TO-SIDE ADJUSTMENT (See Figs. 18 and 19)
• Raise mower to its highest position.
• At the midpoint of both sides of mower, measure height from bot tom 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 ad just ment nut on that side.
• To lower one side of mower, loosen lift link ad just ment nut on that side.
NOTE: Three full turns of adjustment nut will change mower height
about 1/8".
• Recheck measurements after adjusting.
FRONT-TO-BACK ADJUSTMENT (See Figs. 20 and 21)
IMPORTANT: DECK MUST BE LEVEL SIDE-TO-SIDE. IF THE FOLLOWING
FRONT-TO-BACK ADJUSTMENT IS NECESSARY, BE SURE TO AD JUST BOTH
FRONT LINKS EQUAL LY 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 highest position.
Check adjustment on right side of tractor. Measure dis tance “D” directly
in front and behind the mandrel at bottom edge of mower housing as
shown.
• Before making any necessary adjustments, check that both front links are
equal in length. Both links should be ap prox i mate ly 10-3/8".
• If links are not equal in length, adjust one link to same length as other link.
• To lower front of mower loosen nut “E” on both front links an equal number
of turns.
• When distance “D” is 1/8" to 1/2" lower at front than 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.
• 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.
BOTH FRONT LINKS MUST BE EQUAL IN LENGTH
MANDREL
"D" "D"
FIG. 20
A
GROUND LINE
A
BOTTOM EDGE
OF MOWER TO
GROUND BOTTOM EDGE
OF MOWER TO
GROUND
FIG. 18
FIG. 19
LIFT LINK
ADJUSTMENT NUT
SUSPENSION ARM