Service Manual

DRIVE SYSTEMS
5 - 4 Single Stage Snowthrower Service Manual
Idler Spring Replacement
1. Refer to "Replacing Drive Belt" on page 5 - 1.
Complete steps 1 through 4.
2. Using a needle nose pliers, remove the idler
spring from the idler arm then from the left side
plate (Figure 65). Pay close attention to the shape
of the ends of the idler spring. The ends have
different shapes; the more closed end of the
spring rides in a small hole in the idler arm, while
the more open end is fastened to a small hole in
the left side plate.
Figure 65 0217-037
3. When installing the replacement spring, slide the
more opened end of spring into the left side plate
first (Figure 66). Next, slip the more closed end of
the spring into the small hole in the idler arm.
4. Refer to "Replacing Drive Belt" on page 5 - 1.
Complete the idler spring replacement with steps
5 through 7.
Figure 66 0217-038
Idler Arm And Pulley Replacement
1. Refer to "Replacing Drive Belt" on page 5 - 1.
Begin with steps 1 through 4.
2. Remove all the self-tapping screws retaining the
upper shroud to the snowthrower. Remove the
upper shroud. Also, remove the idler spring.
Refer to "Idler Spring Replacement" on page 5 - 4.
Complete step 2.
IMPORTANT: When servicing the idler assembly,
pay special attention as it is disassembled. When
you reassemble the idler assembly, you may wish
to consult the parts manual for your unit.