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 TM 55-1905-219-14-4
3-56.
SHAFT SEALS - MAINTENANCE INSTRUCTIONS.
LOCATION
ITEM
ACTION
REMARKS
INSTALLATION (Cont)
(a)
Draw up cord until
sealing element (26)
is under a slight
compression.
(b)
Cord should be
Sealing element
tight enough so
need not be
that sealing
tight in shaft.
element (26)
remains in contact
for drying period.
d.
Pre-
1. Lightly wipe one end
Sew preformed
formed
of split preformed
packing to-
packing
packing (12), and
gether with
cement preformed
care, using
packing around the
strong thin
shaft.
thread.
2. Permit the sealing
Accelerate
element (26) and pre-
drying time
formed packing (12) to
to 3 hours
set up 24 to 36 hours
by raising
at 75 (24 ).
F
C
temperature
Longer at lower temp-
to 100
F
eratures.
(38 ). Do
C
not exceed
120 (49 ).
F
C
e.
Sealing
1. Wipe lightly on one of
element
the split surfaces of
sealing element (27)
with Methyl Ethyl Ke-
tone solvent.
2. Wrap sealing element
Be careful not
(27) around shaft with
to let split
flanged end forward.
surfaces touch.
3. With the bore of the
This step is
sealing element (27)
important,
pressed against the
and must be
shaft, slide the
done with care.
split surfaces
together.
3-1020
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