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Disassembling the nut and screw assembly
1. Remove the small spiral retaining ring (#6) from the rear nut.
This ring has a small tab on the end of it that can be hooked and pried
inward then lifted up until it is out of the snap ring groove.
2. Unscrew and remove the rear nut (#4) from the screw (#7) by holding
on to the rear nut and turning the hex on the lead screw in a counter
clockwise direction.
As you unscrew the nut from the lead screw a rubber seal (#5) will
come out of the nut. This was being held in by the retaining
ring that was removed in the previous step.
3. Hold on to the front nut and turn the screw in a clockwise direction
until you can see the small spiral retaining ring (#16) in the back of
the front nut. Remove this spiral retaining ring the same way you did
with the one in the rear nut in step #1.
4. Once the spiral retaining ring (#16) has been removed continue to turn
the screw in a clockwise direction until the nut (#14) is free from the
threads on the clutch (#13) and gently slide the nut off the end of the
screw. There is an o-ring that will come out of the nut and remain on
the clutch when you remove the nut. The spiral retaining ring you
removed was holding this o-ring in the nut.
5. Stand the screw (#7) up on the hex end and using an external snap
ring pliers remove the external snap ring (#10) from the screw.
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