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 TM 55-1905-219-14-4
3-56.
SHAFT SEALS - MAINTENANCE INSTRUCTIONS.
LOCATION
ITEM
ACTION
REMARKS
INSTALLATION (Cont)
c.
Sealing
1. Wipe lightly one of the
element split surfaces of seal-
ing element (26) with
Methyl Ethyl Ketone
(MEK) solvent.
2. Wrap sealing element
Be careful not
(26) around shaft
to let split
with flanged end
surfaces touch.
forward.
3. With the bore of
This step is
sealing element
important,
(26) pressed
and must be
against the shaft,
done with care.
slide the split
surfaces together.
Be sure ALL sur-
faces are in per-
fect alignment.
If not, completely
separate and repeat
the procedure.
ALIGNMENT OF
EDGES NOT MATED, COMPLETELY MIS-ALIGNED. WHEN THESE
SEALING ELEMENT
EDGES INTERFACE WITH HOUSING WALL, THE MIS-ALIGNED
AREA, HOWEVER SLIGHT, FORMS A LEAK PATH.
IN LIKE MANNER, IF MIS-ALIGNMENT OCCURS WHEN THE
HOUSING HALVES ARE PUT TOGETHER, LEAKAGE ALSO OCCURS.
3-1018
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