12 EATON Char-Lynn Power Steering Control Unit Series 5 Parts and Repair C-STCU-TS002-E1 November 2006
2-Piece
Shaft Seal
Assembly
Installation
2-Piece Shaft Seal Installation
For installation of
O-Ring 4999650-001 and
Seal 4998312-001
1. Place housing on a flat work
area as shown in figure 13.
2. Lubricate seal and o-ring with
hydraulic oil before installa-
tion.
3. Align sleeve with housing
bore (figure 13).
4. Insert sleeve into housing
bore (figure 14).
5. Place o-ring on plunger (fig-
ure 15).assembly
6. Align seal with plunger cross
section “L” shape of seal
should be upside down (fig-
ure 16).
7. Push seal onto plunger. Lip of
seal should be between o-
ring and plunger. No gap
should exist between o-ring
and seal (figure 17).
8.
Align plunger into sleeve
until it bottoms out, rotate
1/4 turn (figure 19).
9. While holding sleeve in
housing, withdraw plunger.
10.
Withdraw sleeve.
11. Inspect seal installation.
Seal and o-ring must both
be within shaft seal
counter bore of housing.
Figure 13 Tool No. 600801-001
Figure 14
Figure 16Figure 15
Figure 17
Figure 19Figure 18 Figure 20
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