SUPPRESSION GP-FIRE 2880209 - Caterpillar

Note: Refer to Guideline for Reusable Parts and Salvage Operations, SEBF8568, "Hydraulic Excavator Roller Disassemble and Assembly Procedures Guide" for additional information on reconditioning.Note: The procedure to assemble the single flange track roller is identical to the double flange track roller.
Illustration 1 g00738148
Thoroughly clean all the parts of the track roller prior to assembly.
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Note: Do not reuse bearings (6) and (12). Use new parts for replacement.
Lower the temperature of bearings (6) and (12), and install one in each end of the track roller with a press.
Install the bearings until the bearings contact the counterbore in the track roller.
Use the following procedure to determine the shaft end play.Note: Do not install the Duo-Cone seals in the track roller or end collars at this time.
Illustration 3 g00738163
Note: Replace the two O-ring seals that are used on shaft (15) with new O-ring seals.
Install a new O-ring seal (16) on shaft (15). Lubricate the O-ring seal with clean oil.
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Lubricate the bore in end collar (5) with clean oil.
Use a press to install shaft (15) in end collar (5). Make sure that the spring pin hole in the shaft is aligned with the spring pin hole in the end collar.
Install spring pin (4) in the end collar and the shaft.
Install the spring pin with the split facing toward the shaft. The split in the shaft must not be more than 20 degrees on either side of a centerline that runs through the center of the shaft.
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Install shaft (15) in track roller (9) without the Duo-Cone seals.
Install end collar (1) without the Duo-Cone seals. Install snap ring (10) .
Use Tooling (B) to measure the end play of shaft (15) .
The end play of the shaft must be 0.25 mm (.010 inch) to 1.25 mm (.049 inch). Bearings (6) and (12) control the amount of shaft end play.
Disassemble the track roller, but do not remove shaft (15) from end collar (5) .
Illustration 6 g00738165
Note: The rubber seals and all surfaces that contact the seals must be clean and dry. After installation of the seals, apply clean SAE 30 oil on the contact surfaces of the metal seals. For more information concerning the assembly and installation of Duo-Cone Seals, refer to Disassembly and Assembly, "Duo-Cone Conventional Seals - Install" in this manual.
Install Duo-Cone seals (2) and (8) in each end of the track roller with Tooling (A) .
Install Duo-Cone seal (3) in end collar (5) with Tooling (A) .
Illustration 7 g00738161
Install Duo-Cone seal (7) in end collar (1) with Tooling (A) .
Illustration 8 g00738163
Note: Do not damage the Duo-Cone seals during the installation of the shaft in the track roller. Do not damage the Duo-Cone seals during the installation of end collar (1) .
Install shaft (15) with end collar (5) in track roller (9) .
Install O-ring seal (11) in the groove on the end of shaft (15). Lubricate the O-ring seal with clean oil.
Lubricate the bore in end collar (1) with clean oil.
Put the track roller in a press. Install end collar (1) on the end of shaft