Replacing the "Return to Zero" Springs
1. Remove the top and side covers as directed in the covers removal section.
2. Using strong pliers firmly grasp the loop of the spring furthers away from the centre of the
mechanism and pull it free from the spring retaining pillar.
Outer Spring Loop
3. Take both old springs out before installing the new ones.
4. Install new spring by fitting one loop over the spring retaining pillar closest to the centre of
the mechanism. Using the strong pliers firmly grasp the other loop of the spring and stretch
it over the spring retaining pillar furthest away from the centre of the mechanism.
5. Repeat for the second spring.
6. Apply a film of grease to the 4 loops and move the mechanism right and left a few times to
ensure that the grease has made contact all around the loop.
7. Refit the covers as directed in the cover removal section.
Lubricating the Mechanism
1. Remove top covers as directed in the cover removal section.
2. Using a grease tube with a fine dispensing nozzle, point the nozzle into the following areas;
Outer Spring Pillars
a. The centre composite slider – apply some grease to each sliding edge on the sides of
the slider.
b. The damper sliders - apply some grease to the top and bottom surfaces of each of the
sliders.
c. The spring pillars - apply some grease to each of the spring loops where they are in
contact with the spring pillars. Manoeuvre the mechanism left and right to ensure
that the grease has been applied all around the pillar.
3. Refit the covers as directed in the cover removal section.
Inner Spring Loop
Inner Spring Pillars
Centre Slider
22
Damper Slider
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