Sears 917.250551 Lawn Mower User Manual


 
SERWCE AN ADJUSTMENTS
CAUTION: BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS:
o Depress clutch/brake pedal fully and set parking brake.
o Place gearshift lever in neutral (N) position.
Place attachment clutch in "DISENGAGED" position.
° Turn ignition key "OFF" and remove key.
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)
Place attachment clutch in "DISENGAGED" position_
Turn height adjustment knob to lowest setting.
Lower mower to its lowest position
Remove retainer spring holding anti-swaybar to chas-
sis bracket and disengage anti-swaybar from bracket
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: IF AN 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
RIVE BELT n the Assembly sect on of th_s manual
FRONT
SUSPENSION
ADJUSTMENT BRACKET
SUSPENSION NUTS LIFT
ARMS LINKS
\
CHASSIS
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)
If tires are over or underinflated, you will not properly adjust
your mower
SIDE-TO-SIDE ADJUSTMENT (See Figs 18 and 19)
Raise mower to its highest position
Measure height from bottom of deck curl to ground
leve] at front corners of mower Distance "A" on both
sides of mower should be the same.
If adjustment is necessary, make adjustment on one
side of mower only_
To raise one side of mower, tighten lift 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 will change mower
height about 3/16"
Recheck measurements after adjusting
BOTTOM BOTTOM
OF CURL OF CURL
FIG. 19
ELECTRIC
CLUTCH
PULLEY
SUSPENSION
BRACKET
RETAINER
SPRING
\
IOWER
BRACKET
ANTI-SWAY
BAR RETAINER
SPRINGS
FIG. 18
19