Craftsman 917250261 Tractor

OWNER'S MANUAL - Page 20

For 917250261. Also, The document are for others Craftsman models: 917.250261

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SERVICE AN ADJUSTMENTS
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TO REPLACE MOWER DRIVE BELT
FRONT-TO-BACK ADJUSTMENT (See Figs. 24 and 25) -
IMPORTANT: DECK MUST BE LEVELSIDE-TO-SIDE tF
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 best cutting results, the mower housing
should be adjusted so 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 Measule 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 fl'ont of mower housing, loosen nut"G" on both
front [inks an equal number of turns,
° When distance "F" is 1/8" to t/2" lower at front than
rear, tighten nut"H" against trunnion on both front links,
To raise float of mower housing loosen nut' H_'from
ttunnior_ on both fr.oht link&..Tighten nut"'G_' 0h. both,
front finks an.equal'number of turns. :
. When distance "F" js 178" to 1/2" 16wer'at'fz:on:t than
rear, tighten nut "H" against trunnion on both front
links.
NOTE: Each full turn of hut "G" will (}hange dim. "F; by
approximately 3/8",
o Recheck side-to-side adjustment
-. ' ,:i MANDREL
FIG, 24
BOTHFRONTLtNKSSHOULO BEEQUALINLENGTH
FRONTLtNKS
FIG. 25
2O
MOWER DRIVE BELT REMOVAL (See Fig. 26) -
Park tractor on a level surface.. Engage parking brake.
Remove four screws from LH mandrel cover and
remove covet.
Roll belt over the top of L H mandrel pulley.
,, 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 idler 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 26)-
Install bel.t in both idlers. Makesure belt is in both belt
keepers afthe idlers as shown,_" : . : .; "
. install new belt onto elec![icrclu}ch ;utle}/ '
" R01lbblt.into upper groove of L,H,_mandrel puliey,
Carefully check belt routing rh,_king sure belt is in the
grooves correctly and inside belt keepers.
Reassemble LH mandrel cover.
L,N.
MANDREL
CO';'ER" SCREWS
SPRING
IDLER
PULLEYS
PRIMARY
I
ELECTRIC
CLUTCH
PULLEY
BOLT IN
MOWER
HOUSING
MANDREL \
MOWER
DRIVE BELT \
BELT KEEPERS !
: t= G
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