SEAL 5J1555 - Caterpillar

Assembly Procedure
Table 1
Required Tools
Tooling Part Number Description Qty
A FT-0745 Pliers 1
B 1P-1861 Retaining Ring Pliers 1
C 9S-6343 Fixture Assembly 1
D 8T-5096 Dial Indicator Gp 1
E 9S-6363 Turbocharger Fixture Group 1
F 4L-7464 Silicone Grease 1
G 5P-3931 Anti-Seize Compound 1 Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts. Lint may be deposited on the parts which may cause later trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement.
Ensure that all of the oil passages in the turbocharger cartridge housing are clean and free of dirt and foreign material.
Apply clean engine oil to all parts of the cartridge assembly.
Illustration 1 g00994048Note: Snap rings (1), (3), (4), and (7) must be installed with the round edge of the snap rings toward the bearing.
Use Tooling (A) in order to install snap rings (1) and (3). Install snap ring (1), bearing (2), and snap ring (3) in the compressor end of the cartridge housing.
Illustration 2 g00994076
Turn around the cartridge housing and use Tooling (A) in order to install snap rings (4) and (7).
Install snap ring (4), bearing (5), sleeve (6), and snap ring (7) in the turbine end of the cartridge housing.
Illustration 3 g00994079
Place oil seal ring (9) into position in cartridge housing (8). Check the end clearance for the seal ring. The maximum permissible end clearance is 0.23 mm (.009 inch).
Illustration 4 g00994082
Apply Tooling (F) in groove (10) to one half or more of the depth of the groove all the way around.
Illustration 5 g00994099Note: Be careful not to break oil seal ring (9) during installation.
Install oil seal ring (9) on turbine shaft (11). Note: Ensure that oil seal ring (9) on turbine shaft (11) is correctly installed in the cartridge housing.
Illustration 6 g00994102
Place shroud (12) in position on the cartridge housing.
Install turbine shaft (11) in the cartridge housing.
Illustration 7 g00994104
Install ring (13), bearing (16), sleeve (14), ring (17), and deflector (15) in the housing.
Illustration 8 g00994105Note: Install seal rings (19) on sleeve (18). Ensure that the gaps in the seal rings are turned 180°.
Install seal rings (19) in the groove of sleeve (18).
Illustration 9 g00994109
Install O-ring seal (21) on insert (20).
Install sleeve (18) in insert (20).
Place insert (20) in position over the turbine shaft in the housing.
Use Tooling (B) in order to install the snap ring that holds the insert in the housing.
Illustration 10 g00994111
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