This is a picture of a older style washer spring and idler pulley. The belt is off the washer and the idler pulley and spring are at rest. On this washer, the spring end was hooked into the 3rd hole from the front. The washing machines belt was removed for this picture.
Hope this helps.
Click on the picture for a larger view
Click on the picture for a larger view
33 - SPRING-TORSION (SPRING)
34 - SLEEVE-IDLER (SLEEVE)
35 - RING-RETAINING (RING)
36 - WASHER-PIVOT SHAFT (WASHER)
37 - WASHER-SPRING (WASHER)