Craftsman EZ3 917.258990 Owner's Manual download pdf (Page 22)

SERVICE AND ADJUSTMENTS

ii i , ,

FRONT-TO-BACK ADJUSTMENT (See Figs 23 and 24) -

IMPORTANT: DECK MUST BE LEVEL SIDE.TO-SIDE IF

THE FOLLOWING FRONT-TO-BACK ADJUSTMENT IS

NECESSARY, BE SURE TO ADJUST BOTH FRONT LINKS

EQUALLY SO MOWER WILL STAY LEVEL SIDE-TO-SIDE

To obtain the _est cutting results, the mower housing

should be adjusted so the front isapprcTximately 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 dis-

tance "F" directly in front of and behind the mandrel at

bottom edge of mower housing as shown.

• Before making any necessary adjustments, check that

both front links are equal in length

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

length as other link.

• To lower front of mower housing, loosen nut"G" on both

front links an equal number of turns.

o When distance "F" is 1/8" to 1/2" lower at front than

TO REPLACE MOWER DRIVE BELT

MOWER DRIVE BELT REMOVAL (See Fig 25) -

• Park tractor on a level surface,, Engage parking brake,

o Remove four screws from L H, mandrel cover and

remove cover

o Roll belt over the top of L.H mandrel puiley

• Remove belt from electric clutch pulley,

o Remove belt from idler pulleys

, Remove any dirt or grass clippings which may have

accumulated around mandrels and entire upper deck

surface,

° Check primary idter arm and two idlers to see that they

rotate freely,

• Be sure spring is securely hooked to primary idler arm

and bolt in mower housing,

MOWER DRIVE BELT INSTALLATION (See Fig, 25) -

rear, tighten nut"H" against trunnion on both front links.

* To raise front of mower housing, loosen nut "H" from

trunnion on both front links. Tighten nut "G" on both

front links an equal number of turns

o When distance "F" is 1/8" to 1/2" lower at front than

rear, tighten nut "H" against trunnion on both front

links,

NOTE: Each full turn of nut "G" will change dim, "F" by

approximately 3/8",

° Recheck side-to-side adjustmenL

"_it MANDREL

. . T"F" F"_ ,,.....

FIG, 23

BOTH FRONT LINKS SHOULD BE EQUAL IN LENGTH

NUT"H'

FRONT LINKS

o Install belt in both idlers. Make sure belt is in both belt

keepers at the idlers as shown.

o Install new belt onto electric clutch pulley.

o Roll belt into upper groove of L.H. mandrel pulley.

o Carefully check belt routing making sure belt is in the

grooves correctly and inside belt keepers.

o Reassemble L H mandrel cover.

REMOVE L.H,

MANDREL ELECTRIC

COVER SCREWS CLUTCH

PULLEY

IDLER

PULLEYS

MANDREL

MOWER

DRIVE BELT BELT

KEEPER

SPRING

FIG. 25

FIG_ 24 22

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 59 60

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Craftsman EZ3 917.258990 Owner's Manual Page 22

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