TM 5-3895-359-14&P
5. Drive the seal into the housing with installer J 9727
Oil Seals
and handle J 3154-1 (Fig. 6) until it is seated against
Current oil seals are made of an oil resistant synthetic
the seal spacer (if used) or on the shoulder in the
rubber which is pre-lubricated with a special lubricant.
housing bore. The installer prevents damage to the seal
Do not remove this lubricant. Keep the sealing lip clean
by exerting force only on the outer edge of the seal
and free from scratches. In addition, a plastic coating
casing.
which acts as a sealant has been applied to the outer
If it is necessary to install the oil seal with the flywheel
surface of the casing. Do not remove this coating
housing on the engine, place oil seal expander J 22425
The rear oil seal may have either an open or closed
(standard size seal) or expander J 4195-01 with handle
back. Both types are serviced.
J 8092 (oversize seal) against the end of the crankshaft.
Then, with the lip of the seal pointed toward the engine,
Install Crankshaft Front Oil Seal
slide the seal over the tool and on the crankshaft.
Remove the seal expander and drive the seal in place
1. If the oil seal is not pre-coated, apply a non-
with installer J 9727 and handle J 3154-1.
hardening sealant to the periphery of the metal casing.
6. Remove any excess sealant from the flywheel
2. Coat the lip of the new oil seal lightly with grease or
housing and the seal.
vegetable shortening. Then position the seal in the front
cover with the lip of the seal pointed toward the inner
7. Install the flywheel housing as outlined on Page 10-2-
face of the cover.
76.
NOTE:
NOTE:
The vibration damper inner cone or
If the oil seal is of the type which
oil seal spacer must be removed
incorporates a brass retainer in the
before installing the oil seal.
inner diameter of the seal, be sure
the retainer is in place on the seal
3. Drive the seal into the front cover with installer J
before
installing
the
flywheel
9783, which seats the oil seal in the bore. The installer
housing on the engine.
If the
prevents damage to the seal by exerting force only on
retainer is left out, oil leakage will
the outer edge of the seal casing.
result.
4. Remove any excess sealant from the cover and seal.
5. Install the crankshaft front cover as outlined on Page
6. Install the vibration damper inner cone or oil seal
spacer after the front cover and seal assembly is in
place.
Install Crankshaft Rear Oil Seal
1. Support the inner face of the flywheel housing on a
flat surface.
2. Install the rear oil seal spacer, if used. Install the
spacer against the shoulder in the flywheel housing oil
seal bore.
3. If the new seal is not pre-coated, apply a non-
hardening sealant to the periphery of the metal casing.
Then position the seal with the lip pointed toward the
inner face (or shoulder in the counterbore) of the
housing.
Fig. 6. Installing Oil Seal in Flywheel Housing
4. Coat the lip of the oil seal lightly with engine oil. Do
not scratch or nick the sealing edge of the oil seal.
10-2-58
