Sears 917.251551 manual Service AN Adjustments, Tractor, To Remove Mower See Fig, To Install Mower

Models: 917.251551

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SERVICE AN ADJUSTMENTS

CAUTION: BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS:

oDepress 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.

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

TRACTOR

TO REMOVE MOWER (See Fig. 18)

oPlace attachment clutch in "DISENGAGED" position, ° Turn height adjustment knob to lowest setting.

o Lower mower to its lowest position,,

oRemove retainer spring holding anti-swaybar to chas- sis bracket and disengage antFswaybar from bracket,.

oRemove 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

 

 

FRONT

 

 

SUSPENSION

 

ADJUSTMENT

BRACKET

 

 

\

SUSPENSION

NUTS

LIFT

ARMS

 

LINKS

 

 

FRONT

MOWER

 

 

BRACKET

CHASSIS

RETAINER

SPRING

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 mowen

SIDE-TO-SIDE ADJUSTMENT (See Figs. 18 and 19)

o Raise mower to its highest position,.

oMeasure 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.

oIf adjustment is necessary, make adjustment on one side of mower only..

oTo 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

SPRINGS

MOWER

BRACKET

ANTI-SWAYRETAINER

BARSPRINGS

FIG. t8

2O

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Sears 917.251551 manual Service AN Adjustments, Tractor, To Remove Mower See Fig, To Install Mower, To Level Mower Housing