Mower Drive Belt; Replacement; Adjustment - Craftsman 917.254940 Owner's Manual

e, Spring b eltguide away fromidler p ulley and pull b elt
offidler pulley,
l,, Slide belt from under extension spring_
24. Mower Drive Belt Replacement
a. Slide belt under extension spring(Fig. 36)_
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
25. Mower Drive Belt Adjustment
Your tractor has been manufactured with the ability to read-
just the mower belt drive to provide you with longerbelt life,,
ifthe attachment clutch lever travels 3-1/2" up the slot in the
dash before spring resistance is evident, adjustment is nec-
essary. NOTE: CHECK FOR PROPER SPRING TENSION
WITH THE ENGINE OFF AND THE LIFT LEVER IN THE
HIGHEST POSITION
a_
b,,
C_
d,
NOTE:
Lower the mower deck for easier access.
Using (2) 7/16" wrenches, remove the bolt, nut & D-
Shaped washers (Fig. 36 - inset),.
Move extension spring from lower end of slot to up-
per end in rock shaft assembly and installbolt, nut &
the D-Shaped washers
Tighten bolt and nut to secure the D-shaped wash-
ers (flat side down)_
WHEN INSTALLING A NEW BELT, EXTENSION
SPRING MUST BE RETURNED TO LOWER END
OF SLOT (ORIGINAL POSITION) ON ROCK
SHAFT ASSEMBLY.
CLUTCH
1.EVER
CLUTCH
ROD
RETAINER
SPRING
SUSPENSION
ARM
LIFT
BRACKET
\,
RETAINER
SPRING
TRUNNION
& ADJUSTMENT
ENGINE
PULLEY
HEIGHT ADJUSTMENT KNOB
FIGURE 35
ENGINE PULLEY
BELT \\_, IDLER
a'- -
IDLER BEt.T GUIDE
ROCK SHAFT
ASSEMBLY
EXTENSION
SPRANG
R.H.
COTTER PIN
EXTENSION
_COTTER PIN
BRAKE ROD,
PIVOT
BRACKET
LH. PIVOT
BRACKET
LOCKNUTS SLOT
FIGURE 34
23
FIGURE 36