Sears 917.25147 Lawn Mower User Manual


 
SERVICE AND ADJUSTMENTS
TO LEVEL MOWER HOUSING Check ac.ustmem on right side of tractor. Measure dis-
Adjust the mower while tractor is parked on level ground or
driveway. Make sure tires are propedy inflated (See
"PRODUCT SPECIFICATIONS" on page 3 of this manual).
Iftires are over or underinflated, you will not properly adjust
your mower
SIDE-TO-SIDE ADJUSTMENT (See Figs. 16 and 17}
Raise mower to _ts nighest pos=t=on
Measure height from 3ottom of deck cur to grouna
evel at front corners of mower. Distance "A" on both
sides of mower should be the same.
If ac_ustmem is necessary, make aajus[mem on Dne
side of mower only.
To raise one side of mower, tighten lift _:nKa_" ,stmen[
nut on that side
To lower one side of mower, loosen lift link adjustmem
nut on that side.
NOTE: Each fult turn of a@ustment nut will change mower
height about 3/16".
Recheck measurements after adjusting.
BOTTOM BOT10M
OF C_ !_O//_ CURL
"-"--------_- GROUNU LINE//
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 S
NECESSARY. BE SURE TO ADJUST BOTH FRONT LINKS
EQUALLY SO MOWER WILLbFAY LEVELSIDE-TO-StDE
To obtain the 0esl cut_mg results, the mower housing
should be ad.usted so the fro;-t is approximately 1/8" to 1/2'
lower than me rear wnen the mower s " [s highest
DOSltlOn.
tance "F" directly in front of and behind the mandrel at
bottom edge of mower housing as shown.
Before making any necessary adjustments, check that
both front links are eaual in length.
tf links are not eaual in length, adjust one link to same
ength as other link.
To lower front of mower housing, loosen nut "G"on both
front inks an equal number of turns
Whend_stance F"_,J.7_, _,_,/2"loweratfrontthanrear.
tighten nut "H" against trunnion on both front links
To raise front of mower housing, loosen nut "H" from
trunnion on bOth front links. Tighten nut "G" on both
front links an equa number of turns.
Whendistance"F"is '°J'to_/2"loweratfro _.-- _r.
t_gnten nut "H" against trunnion on both front links.
NOTE: Each full turn of nut "G" wilI change dim. "F" by
auuroximately 3/8",
Recheck s_de-to-slde aojustmen[.
. j MANDREL
FiG. 18
BOTH FRONT LINKS MUST BE EQUAL IN LENGTH
FIG. 19
21