Sears 917.251551 Lawn Mower User Manual


 
SERVICE AN ADJUSTMENTS
CAUTION: BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS:
o Depress clutch/brake pedal fully and set parking brake.
° Place gearshift lever in neutral (N) position,
= Place attachment clutch in "DISENGAGED" position.
o Turn ignition key "OFF" and remove key,
o Make sure the blades and all moving parts have completely stopped.
o
Disconnect spark plug wire from spark plug and place wire where it cannot come in contact
with plug.
TRACTOR
TO REMOVE MOWER (See Fig. 18)
o Place attachment clutch in "DISENGAGED" position,
° Turn height adjustment knob to lowest setting.
o Lower mower to its lowest position,,
o Remove retainer spring holding anti-swaybar to chas-
sis bracket and disengage antFswaybar from bracket,.
o Remove retainer springs from suspension arms at
deck and disengage arms from deck,.
° Raise attachment lift to its highest position°
° Remove two retainer'springs from each front link and
remove links.
Slide mower forward and remove belt from electric
clutch pulley,,
Slide mower out from under right side of tractor.,
IMPORTANT: tFAN ATTACHMENT OTHER THAN THE
MOWER DECK IS TO BE MOUNTED ON THE TRACTOR,
REMOVE THE FRONT LINKS,
TO INSTALL MOWER
Follow procedure described in "INSTALL MOWER AND
DRIVE BELT" ir_the Assembly' section of this mariuaL
ADJUSTMENT
SUSPENSION NUTS LIFT
ARMS LINKS
CHASSIS
FRONT
SUSPENSION
BRACKET
\
FRONT MOWER
BRACKET
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" on page 3 of this manual),
iftires are over or' underinflated, you will not properly adjust
your mowen
SIDE-TO-SIDE ADJUSTMENT (See Figs. 18 and 19)
o Raise mower to its highest position,.
o Measure height from bottom of deck curl to ground
level at front corners of mower. Distance "A" on both
sides of mower should be the same.
o If adjustment is necessary, make adjustment on one
side of mower only..
o To raise one side of mower, tighten rift link adjustment
nut on that side,
= To lower one side of mower, loosen lift link adjustment
nut on that side.
NOTE: Each full turn of adjustment nut wilt change mower
height about 3/16".
Recheck measurements after adjusting..
BOTTOM BOTTOM
OF CURL OF CURL
"A"--_ 'A
FIG. 19
ELECTRIC
CLUTCH
PULLEY
FRONT
SUSPENSION
BRACKET
RETAINER
SPRING
RETAINER
SPRINGS
MOWER
BRACKET
ANTI-SWAY RETAINER
BAR SPRINGS
FIG. t8
2O