Repair Parts; Belt Replacement - Craftsman 486.243294 Owner's Manual

42-inch universal tow behind power mower
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REPAIR PARTS
Your rotary mower has been produced with components
designed for your unit. Although standard V-belts,
bearings, blades pulleys etc. may look like the parts
used on your rotary mower, many are of a different
construction and could in some cases cause the mower
to malfunction.
For continued satisfactory performance, use only repair
parts supplied by the manufacturer. See you Sears
Service Center for replacement parts.
BELT REPLACEMENT
I _
CAUTION:
Disconnect
spark plug wire
from spark plug before replacing V-belt.
Move Blade Clutch Lever to the"DISENGAGED"
position.
Remove two belt covers. (See Fig 9)
Loosen three bolts and pivot belt guides away from
pulleys
Move belt brake away from spindle pulleys, and
remove V-belt from around two spindle pulleys.
Remove V-belt from around engine pulley,
Disconnect
small spring from idler arm.
Grasp body of large idler spring and pull spdng to
the right side of mower until idler pulley is against
spindle pulley.
Remove V-belt from idler pulley.
Place new V-belt onto idler pulley and release large
spring to allow idler to return to original position.
Reconnect
small spring to idler arm.
Assemble
V-belt around engine pulley.
Move belt brake away from spindle pulleys then
assemble V-belt onto spindle pulleys,
Place Blade Clutch Lever into"ENGAGED"
position.
Reposition three belt guides to original position with
approximately
1/16" clearance
from pulleys and
retighten bolts to secure belt guides.
NOTE:
Belt Guides should not touch V-belt or pulleys
when unit is in engaged position.
.
Reassemble two belt covers and return Blade Clutch
Lever to =DISENGAGED_ position.
CHECKING
DRIVE TENSION
Remove V-belt cover from right side of unit.
Place Blade Control Lever in the "ENGAGED"
position.
Check tension spring length. It should be 5-3/8" to
5-5/8" over the coils of the Spring Body. See Fig. 9.
ADJUSTING
DRIVE TENSION
To Increase
Drive Spring Tension
Place blade clutch lever in the "DISENGAGED"
position.
Loosen the inner nut of the clutch cable.
Tighten the outer nut to increase
spring tension.
NOTE:
For every 1/8" adjustment
made to the cable
you will get approximately
1/8" movement on the tension
spring.
To Decrease
Drive Spring Tension
Place blade clutch lever in the "DISENGAGED"
position.
Loosen the outer nut of the clutch cable.
Tighten the inner nut to decrease spring tension.
16

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