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Carefully check the metal rings, making sure that the
sealing surfaces show no signs of scoring, dents or
wear caused by ring pair misalignment or surface
flatness errors.
Even if only one of the rings is faulty, change the en-
tire seal.
Never pair a used ring with a new one or use different
pairs of rings.
To fit the seals, proceed as follows.
1. Eliminate any sharp edges or burr and carefully
clean the seats for the rubber rings.
2. Thoroughly clean the rings on the seals.
3. Insert each metal ring (2) on the respective
rubber ring (1), as shown in the drawing, acting
on the points indicated by the arrows.
4. Make sure that the metal ring is fitted correctly,
checking that measurement (A) is constant on all
of the circumference.
5. Assemble each pair of rings in their respective
seats (1), manually positioning the rubber ring
(as shown in figure
6. Before terminating assembly operations, clean
the sealing surfaces (1) with a clean (not frayed)
cloth and pour a thin covering of fluid oil over the
surfaces.
603.54.381.00 - - 05 - - 2001
SECTION 00 - - GENERAL - - CHAPTER 1
FRONT SEALS
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