To Adjust Mower Blade Drive Belt; To Replace Mower Blade Drive Belt - Craftsman 917.254530 Owner's Manual

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SERVNCE AND ADJUSTMENTS
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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 bolt, nut and D-shaped washers from
rock shaft assembly,
o 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 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 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,
IDLER BELT BELT ENGINE PULLEY
GUIDE
L,H,
MANDREL
\
IDLER
EXTENSION
SPRING
R_H.
MANDREL
ROCKSHAFT
EMBLY
SPRING
BRAKE
ROD
NUT
FIG, 22
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.
BELT
GUIDES
ENGINE
PULLEY
FIG, 23
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