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To level mower housing (see fig. 23 - fig. 26), Viewed from front of tractor, Fig. 23 – Sears 917.257462 User Manual

Page 19: Service and adjustments

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SERVICE AND ADJUSTMENTS

TO LEVEL MOWER HOUSING (See Fig. 23 -

Fig. 26)

Adjust the mower while tractor is parked on level ground or

driveway. Make sure tires are properly Inflated (See

"PRODUCT SPECIFICATIONS" on page 3). If tires are

over or under inflated, you will not properly adjust your

mower.

NOTE: One rotation of trunnion nut is equivalent to ap­
proximately 1/8 inch of height change. Be sure upper and
lower nuts are tightened against trunnion after adjustment
has been completed.

Place mower height adjustment knob in position “3"

(See Fig. 23).

Lower mower lift lever to height adjustment knob.

SIDE-TO-SIDE ADJUSTMENT (See Figs. 24 and 25) -

Measure distance from ground to lowerflange of mower

deck on both sides of mower (dim. "B"&"C‘’). Dim. "B"

& "C" should be the same.

Level the mower side-to side by adjusting the left rear lift
link.

To raise left side of mower, loosen upper trunnion nut

tighten the lower trunnion nut.

To lower left side of mower, loosen lower trunnion nut

and tighten upper trunnion nut.

FRONT-TO-BACK ADJUSTMENT (See Figs. 25 and 26)-

To obtain the best cutting results, the mower housing

should be adjusted so the rear is approximately 1/4 to 3/8"
higher than the front when the mower is in height adjust­
ment position "3".

Measure distance from ground line to lower flange of

deck at right front and right rear (dim. "D" & "E") in line

with front and rear tires.

Raise or lower rear of mower housing by adjusting the right
rear lift link.

To raise rear of mower housing, loosen upper trunnion

nut and tighten lower trunnion nut.

To lower rear of mower housing, loosen the lower

trunnion nut and tighten upper trunnion nut.

Recheck side-to-side adjustment.

VIEWED FROM FRONT OF TRACTOR

MOWER UFT
LEVER

MOWER HEIGHT

ADJUSTMENT

1

KNOB

RIGHT

SIDE

LEFT

SIDE

LOWER FLANGE
OF MOWER DECK

LEFT REAR
UFTUNK

FIG. 24

REAR UFT

UNK

■E” \

\ “D”

\

GROUND UNE

7777777yi^^777777?77777777777777Xy77777

LOWER FLANGE

OF MOWER DECK

MOWER HOUSING

FIG. 26

FIG. 23