TM 5-3895-383-24
Install Crankshaft Rear
Seal 7558 & 1161-012
Tools Needed
A
1U-7598
Rear Seal Installer Group
1
NOTE: Do not install the crankshaft rear seal group if:
a.
The seal has been separated from the wear sleeve.
b.
The crankshaft rear seal group components are not
assembled when removed from the pads package.
c.
The crankshaft rear seal group appears to be
damaged in any way.
d.
The crankshaft rear seal has been lubricated. The
seal is designed to be installed dry.
1.
Be sure the rear of the crankshaft is thoroughly dean
and dry prior to installing the crankshaft rear seal group.
(1) 9S-8858 Nut Assembly, (2) 1U-7594 Installer, (3)
1U-7597 Sleeve Ring, (4) 1U-7596 Bolt, (5) 132-8772 Locator
Assembly.
(1) 9S-8858 Nut Assembly, (2) 1U-7594 Installer, (3)
1U-7597 Sleeve Ring, (4) 1U-7596 Bolt, (5) 132-8772 Locator
Assembly
2.
Put crankshaft rear seal group (6) in position on
1U-7597 Sleeve Ring (3) of Tooling (A) with the inside
diameter bevel of the crankshaft seal wear sleeve facing
toward the 132-8772 Locator Assembly.
3.
Fasten 132-8772 Locator Assembly (5) to the rear of the
crankshaft with two 1U-7596 Bolts (4). Tighten the bolts
only finger tight so that when crankshaft rear seal group
(6) and 1U-7597 Sleeve Ring (3) are installed, they will
self align.
4.
Put crankshaft rear seal group (6) and 1U-7597 Sleeve
Ring (3), as a unit, over 132-8772 Locator Assembly (5)
on the crankshaft.
5.
Put 1U-7594 Installer (2) over 132-8772 Locator
Assembly (5) and 1U-7597 Sleeve Ring (3). Install 9S-
8858 Nut Assembly (1). Tighten the nut assembly to
install the crankshaft rear seal group.
6.
Remove 9S-8858 Nut Assembly (1), 1U-7594 Installer
(2) and 1U-7597 Sleeve Ring (3). Turn 1U-7597 Sleeve
Ring
(3)
over,
and
install
it,
1U-7594 Installer (2) and 9S-8858 Nut Assembly (1).
Tighten the nut assembly to complete the installation of
the crankshaft rear seal group.
7.
Remove 9S-8858 Nut Assembly (1) and 1U-7594
Installer (2). Check 1U-7597 Sleeve Ring (3) and 132-
8772 Locator Assembly (5). If the crankshaft rear seal
and wear sleeve are properly installed, the faces of
sleeve ring (3) and locator assembly (5) will be flush.
8.
Remove the remainder of Tooling (A) from the rear of
the crankshaft.
End By:
a.
install flywheel
8-24
