Craftsman 917.270831 To Replace Mower Blade Drive Belt, SIDE-TO-SIDE Adjustment, Belt Removal

SIDE-TO-SIDE ADJUSTMENT

•Raise mower to its highest position.

•At the midpoint of both sides of mower, measure height from bottom edge of mower to ground. Distance "A" on both sides of mower should be the same or within 1/4" of each other.

•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 1/8".

•Recheck measurements after adjust-

ing.
B_		Bottom edge of
or[om	_-_"/_-"-'_		r
edge of _			mowe
mower t_	I_	k\{nl	I l°roun d
ground_L---__----_l			_

gV-!J rou .i.e

(_ Suspension

•Arm

©O

Lift Link Adjus_nent Nut''7_'-_-

FRONT-TO-BACK ADJUSTMENT

IMPORTANT: Deck must be level side-to side. If the following front-to-backadjustment is necessary, be sure to adjust both front links equally so mower will stay level side-to-side.

To obtain the best cutting results, the mower housing should be adjusted so

that the front is approximately 1/8" to 1/2" lower than the rear when the mower is in

its highest position.

Check adjustment on right side of tractor. Measure distance "D" directly in front and behind the mandrel at bottom edge of mower housing as shown.

•Before making any necessary adjust- ments, check that both front links are equal in length. Both links should be approximately 10-3/8".

•If links are not equal in length, adjust one link to same length as other link.

•To lower front of mower loosen nut "E"

on both front links an equal number of turns.

•When distance "D" is 1/8" to 1/2" lower

at front than rear, tighten nuts =P against trunnion on both front links.

•To raise front of mower, loosen nut "P

from trunnion on both front links. Tighten nut "E" on both front links an equal number of turns.

•When distance "D" is 1/8" to 1/2" lower

at front than rear, tighten nut "P against trunnion on both front links.

•Recheck side-to-side adjustment.

. : . /. Mandrel

Both Front Links Should be Equal in Length

Nut =p_Nut =E"

Trunni°n/v__

Front Links

TO REPLACE MOWER BLADE DRIVE BELT

The mower blade drive belt may be replaced without tools. Park the tractor

on level surface. Engage parking brake.

BELT REMOVAL -

•Remove mower from tractor (See "TO

REMOVE MOWER" in this section of this manual).

•Work belt off both mandrel pulleys and idler pulleys.

•Pull belt away from mower.

Mandrel

Pulley Idler

Pulle

22