Poulan 186914 - Manual (Page 20)

20
01156
SERVICE AND ADJUSTMENTS
NOTE: Each full turn of adjustment nut will change mower
height about 1/8".
• Recheck measurements after adjusting.
00598
GROUND LINE
BOTTOM EDGE OF MOWER
TO GROUND
FIG. 19
01553
SUS PEN SION
ARM
LIFT LINK
ADJUSTMENT NUT
FIG. 20
BOTTOM EDGE OF MOWER
TO GROUND
A A
FRONT-TO-BACK ADJUSTMENT (See Figs. 21 and 22)
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 high-
est 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.
• 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. 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.
01267
TRUNNION
BOTH FRONT LINKS MUST BE EQUAL IN LENGTH
FRONT LINKS
NUT “E”
NUT “F”
01268
“D” “D”
MANDREL
FIG. 21
FIG. 22
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 23)
The mower blade drive belt may be replaced without tools.
Park the tractor on level surface. Engage parking brake.
BELT REMOVAL -
• Remove mower from tractor (See “TO REMOVE
MOW ER” in this section of manual).
• Work belt off both mandrel pulleys and idler pulleys.
• Pull belt away from mower.
BELT INSTALLATION -
• Work belt around both mandrel pulleys and idler pulleys.
• Make sure belt is in all pulley grooves and in side all
belt guides.
• Install mower (See "To Install Mower" in this section of
manual).
FIG. 23
TO CHECK AND ADJUST BRAKE
(See Fig. 24)
Your tractor is equipped with an ad just able brake system
which is mounted on the right side of the transaxle.
If tractor requires more than fi ve (5) feet to stop at highest
speed in high est gear on a level, dry concrete or paved
surface, then brake must be checked and ad just ed.
IDLER
PUL LEYS MANDREL PULLEY
MANDREL
PULLEY