Craftsman 917.257360 - Manual (Page 20)

SERVICE AND ADJUSTMENTS
TO ADJUST MOWER BLADE DRIVE BELT
(See Fig. 24)
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 position,
move clutch lever up slowly until resistance is felt, if
distance from bottom of slot in dash to lift lever is greater
than 4-1/2 inches, adjustment is necessary,
• Lower the mower deck for easier access,
• Remove the bolt, nut and D-shaped washers from rock
shaft assembly.
• Move extension spring from lower to upper end of slot
in rock shaft assembly and install bolt, nut and the D-
shaped washers (flat side of washers down).
• Tighten bolt and nut to secure the D-shaped washers
(flat side down as shown).
TO REPLACE MOWER BLADE DRIVE BELT
(See Figs. 24 and 25)
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 clutch in "DISENGAGED'* position.
Move attachment lift lever forward to lower mower to its
lowest position,
Roll belt off engine pulley.
Pull belt off both mandrel pulleys.
Spring belt guide away from idler pulley and pull belt off
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 all pulley grooves and inside all belt
guides.
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