Craftsman 917.255520 - Manual (Page 20)

SERVICE AND ADJUSTMENTS
TO ADJUST MOWER BLADE DRIVE BELT
(See Fig. 22)
Your tractor has been manufactured with the ability to
readjust the mower blade drive belt to provide you with
longer belt life
With the engine off and the lift lever in the highest po­
sition, move clutch lever up slowly until resistance is felt.
If distance from bottom of slot in dash to clutch lever is
greater than 4-1/2 inches, adjustment is necessary,
• Lower the mower deck for easier access.
• Remove the boll, nut and D-shaped washers from
rock shaft assembly.
' Move extension spring from iower to upper end of
slot in rock shaft assembly and install boit, nut and
the D-shaped washers (flat side of washers down),
• Tighten bolt and nut to secure the D-shaped wash­
ers (flat side down as shown),
TO REPLACE MOWER BLADE DRIVE BELT
(See Figs. 22 and 23)
The mower blade drive belt may be replaced without
tools Park the tractor on level surface Engage parking
brake. For assistance, there is a belt installation guide
decal on the mower housing.
BELT REMOVAL -
Place attachment dutch In "DISENGAGED" position.
Move attachment lift lever forward to iower mower to
its iowest position
Roil belt off engine puHey.
Pull belt off both mandrel pulleys.
Spring belt guide away from idler pulley and puli belt
orf idler pulley
Slide belt from under extension spring.
BELT INSTALLATION -
Slide belt under extension spring.
Place belt around back side and in groove of both
mandrel pulleys.
Spring idler belt guide down and place belt around
rear side of idler pulley
Roll belt over engine pulley
Make sure belt is in ail pulley grooves and inside all
belt guides
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