Sears 917.257720 owner manual Service Adju Nts, Tractor, TO REMOVE MOWER See Fig, TO iNSTALL MOWER

Models: 917.257720

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SERVICE ADJU NTS

SERVICE ADJU NTS

CAUTION: BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS:

Depress dutch/brake pedal fully and set parking brake,

-Place gearshift lever in neutral (N) position=

oPlace attachment ctutch in "DISENGAGED" position.

Turn ignition key "OFF" and remove key.

oMake sure the blades and all moving parts have completely stopped,

-Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with plug.

TRACTOR

TO REMOVE MOWER (See Fig, 22)

Place attachment clutch in "DISENGAGED" position.

Turn height adjustment knob to !owest setting.

Lower mower to its lowest position.

Remove retainer spnng holding anti-swaybar to chas- sis bracket and disengage antioswaybar 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 DRIVE BELT" in the Assembly section of this manual,

FRONT

SUSPENSION

 

ADJUSTMENT

BRACKET

 

 

\

SUSPENSION

NUTS

 

LIFT

\

ARMS

 

LINKS

\

 

 

FRONT

MOWER

 

 

BRACKET

CHASSIS

BRACKET

/

RETAINER

SPRING/

/

ANTFSWAY

BAR

FIG. 22

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 undednflated, you will not properly adjust your mower.

SIDE-TO-SIDE ADJUSTMENT (See Figs. 22 and 23)

-Raise mower to its highest position.

Measure height from bottom of deck cud to ground level at front corners of mower. Distance "A" should be the same.

°tf distance "A" needs to be changed, make adjustment on one side of mower only,

Raise one side of mower by tightening lift link adjust- ment nut on that side.

Lower one side of mower by loosening lift link adjust- ment nut on that side.

NOTE: Each half turn of adjustment nut will change deck level about 1/4".

Recheck level after adjusting.

ELECTRIC

CLUTCH

PULLEY

FRONT

SUSPENSION

BRACKET

RETAINER

SPRINGS

MOWER

BRACKET

\

\

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Sears 917.257720 owner manual Service Adju Nts, Tractor, TO REMOVE MOWER See Fig, TO iNSTALL MOWER, To Level Mower Housing