Specifications

3. Attach the new check spring as follows:
a) Position the check spring around the end of the tensioner shaft as shown
in Figure 3-21.
b) Insert the straight length of spring wire that is inside the check spring coil
into the groove cut in the tensioner shaft as shown.
4. While holding the check spring in position, place the thread tensioner into the
tensioner bracket. Insure the tensioner shaft seats into the smaller diameter
hole in the bracket with the check spring still positioned on the tensioner shaft
properly.
5. After inserting the thread tensioner into the tensioner bracket, perform the
thread tensioner check spring adjustment from Section 2 of this manual. This
adjustment procedure, not only adjusts the check spring tension, but secures
the thread tensioner in the tensioner bracket by tightening the set screw
loosened to remove the thread tensioner.
Check
Spring
Thread
Tensioner
straight spring wire
into groove in
tensioner shaft
Thread
Tensioner
shaft
Figure 3 - 21
Changing A Check Spring 3 - 25
110305-01, Rev A 3. Mechanical Disassembly