Sears 917.254420 Owner's Manual page 24

Front toRear Mower Adjustment
Move attachment tofull
side to side, measure bottom
REAR OFMOWER Thebottom
flanges should measure
REAR flange (Fig 45) If adjustment
the procedure below
a• Toraise front of mower
nuts "C'" up onto
NOTE: SCREWNUTS
SION ARMS THE SAME
SOMOWER WILL REMAIN
securely,
"D"
b_ To lower f[ont
Screw nuts "'D" down
SCREW NUTS "D"
TURNS SO MOWER
Tighten nuts
"C"
c, With mower deck at desired
wheels (Fig, 46)
touching the ground,
d, Useattachment liftswitchto
proximate cutting
e, Useclevis pin (Fig, 46) toset
lowest point without
14, Blade Drive Belt Removal and Replacement
BELTROUTING DECAL UNDER MOWER
a, Remove mower from
b. Remove top cover
lockwashers and nuts
c, Roll belt over the top of the R,.H. mandrel
d. Pull belt off all other
e° Remove any dirt and grass which
cumulated around
foCheck deck idler armassembly
see that they rotate
go Be sure spring is hooked
assembly andonbolt
h. Install new belt
sheave, lower groove
and around flat idler as shown
i. Fromaposition at discharge
belt into groove
47).
j o Rotate center mandrel
sure belt is ingrooves
MANDREL SHEAVES,
BLADES WILL
k,. Reassemble top
screws securely,,
Iv Install mower to tractor
REPAIRANDADJUSTMENT
"'UP" position After leveling
of curl at FRONT AND
of curl at the RH, front
3/4"" lower than at the RH
is required follow
loosen nuts "D'. Screw
suspension arms (Fig, 44)_
"C" ONBOTH SUSPEN-
NUMBER OFTURNS
Tighten
LEVEL
of mower loosen nuts
"C"
suspension arms
NOTE:
THE SAME NUMBER
WILL REMAIN LEVEL
securely,,
height, set gauge
to lowest position without
set mower at the ap-
height you need,
gauge wheels
touching the gro_md,
DECKCOVER°
tractor (see page 23),
self tapping screws,
fromidler atrn bolt.
mandrels,
may have ac-
mandrels and idler arm°
and flat idler to
freely (Fig,. 47)_
in deck idler
inmower housing (Fig,,47),.
in groove of L.H, mandrel
of center sheave
mandrel
(Fig_47).
endof mower,
of RH, sheave
mandrel
sheave by hand tomake
properly°
ROTATE WITH CENTER
to deck, Tighten
cover
(seepage 10),,
nuts
OF
at
arm
RETAINER
SPRING
J
roll
GAUGE_
(Fig,,
CLEVIS
WHEEL
PiN
iDLER ARM
NUT
all
24
NUT D
FRONT PARALLEL
LINK ASSEMBLY
NUT o
FIGURE 44
_.
/
CENTRAL MANDREL SHEAVE
BOTTOM
{FRONT FLANGESI
FIGURE 45
FLANGE
FIGURE46
FIGURE47