Poulan Pro PP16H36RB Owner's Manual page 23

SERVICE AND ADJUSTMENTS
BOTTOM EDGE .... _ _ BOTTOM EDGE I
OFMOWER / /!_// _ OFMOWER
TOGROUND,, I _-__i_! / TOGROUND
/7--
..... ] I"A"
FIG. 25
NOTE: Three full turns of adjustment nut will change mower
height about 1/8".
• Recheck measurements after adjusting.
LIFT LINK ADJUSTM_
FIG. 26
FRONT-TO-BACK ADJUSTMENT (See Figs. 27 and 28)
IMPORTANT: DECK MUST BE LEVEL SIDE-TO-SIDE.IF THE
FOLLOWINGFRONT-TO-BACK ADJUSTMENTIS
NECESSARY,
BE SURE TO ADJUST BOTH FRONT LINKS EQUALLY SO
MOWER WILL STAYLEVEL 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. Measu re distance
"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.
• Whendistance"D"isl/8"tol/2"loweratfrontthanrear,
tighten nuts "F" against trunnion on both front links.
FIG. 27
BOTH FRONT LINKS MUST BE EQUAL IN LENGTH
NUT "E"
• 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.
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 29)
Park the tractor on level surface. Engage parking brake.
BELT REMOVAL -
• Remove mower from tractor (See "TO REMOVE
MOWER" in this section of this manual).
• Remove screws from RH mandrel cover and remove
cove r.
• Remove screws from LH mandrel cover and remove
cove r.
• Work belt off both mandrel pulleys and idler pulleys.
• Pull belt away from mower.
BELT INSTALLATION -
• Install new belt in reverse order of removal. See belt
routing decal located on right mandrel cover.
• Make sure belt is in all pulley grooves and inside all
belt guides.
• Install left and right mandrel covers and tighten securely.
Make sure belt is in mandrel pulley cover.
• Install mower (see "To install mower" in this section of
this manual).
LH MANDREL COVER
MANDRELpuLLEY _7 BELT _t_ RHvME_RNDREL
I" MANDREL
PULLEY
IDLER •
PULLEY
IDLER PULLEY
FIG. 29
TO CHECK AND ADJUST BRAKE
(See Fig. 30)
Your tractor is equipped with an adjustable brake system
which is mounted on the right side of the transaxle.
If tractor requires more than five (5) feet to stop at highest
speed in highest gear on a level, dry concrete or paved
surface, then brake must be checked and adjusted.
TO CHECK BRAKE
• Park tractor on a level, dry concrete or paved surface,
depress clutch/brake pedal all the way down and en-
gage parking brake.
• Disengage transmission by placing freewheel control
in "transmission disengaged" position. Pull freewheel
control out and into the slot and release so it is held in
the disengaged position.
FRONT LINKS
FIG. 28
23