CIPI UNDERCARRIAGE Arrangements: 1667049, 2372904, 3Q6481, 6Z7988, 6Z7989, 9Q5032, 9Q5040, 9Q5043, 9Q5046, 9Q5047, 9Q5066, 9Q5074, 9Q5097, 9Q5098, 9Q5116, 9Q5134, 9Q5136, 9Q5142, 9Q5147, 9Q5148, 9Q5149, 9Q5172 and 9Q5204 Caterpillar

Disassembly Procedure for the Track Roller on CIPI Undercarriage Arrangements which are Based on 330 and 330B Track Type Excavators

Start By:

1. Remove the track rollers. Refer to Disassembly and Assembly, "Track Roller - Remove" in this manual.

Reference: Refer to Undercarriage Reconditioning Bulletin, SEBF8568, "Hydraulic Excavator Roller Disassemble and Assembly Procedures" for the disassembly and assembly procedures of the track roller.

1. Thoroughly clean the outside of the track roller prior to disassembly.

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NOTICE
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates.

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Illustration 1	g00489949

2. Drive plug (1) into the stopper in the end of the track roller. Drain the oil from the track roller into a suitable container for disposal. The capacity of the track roller is 380 ± 20 mL (12.9 ± 0.68 oz).

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Illustration 2	g00489952

3. Put the track roller in a press, as shown. The weight of the track roller is 54 kg (120 lb). Press downward on end collar (3). Remove snap ring (2). Release the pressure on the end collar. Remove end collar (3) .

4. Remove plug (1) from the inside of the track roller.

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Illustration 3	g00489955

5. Remove Duo-Cone seal (4) from end collar (3) .

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Illustration 4	g00489958

6. Remove the O-ring seal from shaft (5). Remove shaft (5) from roller (6) .

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Illustration 5	g00489962

7. Remove Duo-Cone seal (9) from end collar (8) .

8. Remove spring pin (7) from end collar (8) and shaft (5). Use a press to remove shaft (5) from end collar (8). Remove the remaining O-ring seal from shaft (5). Remove the stopper from the end of the shaft.

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Illustration 6	g00489963

9. Remove Duo-Cone seal (10) from each end of the track roller.

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Illustration 7	g00489968

10. Use a press to remove bearing (11) from each end of the track roller.