Mower Drive Belt Replacement; Side-To-Side - Sears Craftsman 917.254630 Owner's Manual

ADJUSTMENT
ENGINE
PULt_EY
BELT _ IOLER
IDLER BELT
,GUIDE
23. Mower Drive Belt Replacement
ao Slide belt under ex tension spring (Fig. 31)
b. Place belt on rear side of both mandrel pulleys..
c. Spring idler belt guide down and place belt
around rear side of idler pulley
d Roll belt over engine pulley..
e Make sure belt is inside all belt guides
24,
Mower Drive Belt Adjustment
Your tractor has been manufactured with the abifity to
readjust the mower belt drive to provide you with longer
belt life.
FIGURE
31
R=H _VOT
BRACKET \
If the attachment clutch lever travels 3-1/2" up the slot
in the dash before spring resistance is evident, adjust-
ment is necessary, NOTE: CHECK FOR PROPER SPRING
TENSION WITH THE ENGINE OFF AND THE LIFT LEVER
IN THE HIGHEST POSITION
a Lower the mower deck for easier access
b Using (2) 7/16" wrenches, remove the bolt, nut
& D-shaped washers (Fig° 31 _ Inset)
c Move extension spring from lower end of slot
to upper end in rock shaft assembly and install
bolt, nut & the D-shaped washers,
d Tighten bolt and nut to secure the D-shaped
washers (flat side down).
LIFT LEVER_
PLUNGER _"1_
LIFT
LEVER
BOTTOM ...,_.,
OF CURL f
GROUND_ "_"
LINE A_I. T_-
FIGURE 32
SIDE TO SiDE
ADJUSTMENT
TRUNNION
8OTTOM
URL
.O0N0
NOTE:
WHEN INSTALLING A NEW BELT, EXTENSION
SPRING MUST BE RETURNED TO LOWER END
OF SLOT (ORGtNAL POSITION) ON ROCK
SHAFT ASSEMBLY,
25. Level Mower Housing
Adjust the mower while tractor is parked on level ground
or driveway. Make sure tire pressures correct if t#es are
over or under inflated, you will not properly adjust your
mower_
Side.to-Side Mower Adjustment
a. Depress lift lever plunger and use rift lever to
raise mower to maximum cutting height.
b. Measure height from bottom of curl to ground
line at front of mower_ Distance "A " should be
the same on both sides (Fig, 32).
c, If distance "'A '" needs to be changed, snap out
access hole cover on L.H_ side above footrest.
Use 11/16" wrench on nuts "'B" and "'C" at
side-to-side adjustment trunnion (Fig. 33)
d_ To raise left side of mower, loosen nut "'B'" and
tighten nut "C',
e_ To lower left side of mower, loosen nut "'C'" and
tighten nut "'B".
FIGURE 33
22