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Craftsman 450 Serie Manual Del Operador página 21

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Idler Pulley Rod
After the belt tension has been adjusted, if the belt is excessively stretched, you may need
to adjust the idler pulley rod. This can be checked easily.
With the engine off and the clutch control bail disengaged, shift the gear selection
handle to each forward mode. If the indicator bracket touches the idler pulley rod
with the clutch control bail disengaged, then an adjustment is necessary.
1.
Disconnect and ground the spark plug wire against the engine.
2.
Remove the belt cover as described under Belt Replacement earlier in this
section.
3.
Remove the cotter pin and spring washer from the idler pulley rod. See
Figure 31.
Idler
Pulley
Rod
Spring
Cotter Pin
Washer
Idler Pulley
Bracket
Idler Pulley
4.
Move the idler pulley rod to the lower hole in the idler bracket.
5.
Replace the spring washer and hairpin clip.
6.
Check the clearance of the idler pulley rod to the indicator bracket by shifting
to each forward mode.
SERVICE AND MAINTENANCE
Idler
Pulley
Rod
Cotter Pin
Spring
Washer
Idler Pulley
Bracket
Idler Pulley
Figure 31
21

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