CIPI UNDERCARRIAGE Arrangements: 9Q5221, 9Q5234, 9Q5243, 9Q5245, 9Q5246, 9Q5247, 9Q5385, 9Q5433, 9Q5482, 9Q5622, 9Q5661, 9Q5719, 9Q5720, 9Q5721, 9Q5722, 9Q5830, 9Q5840, 9Q5857, 9Q5874, 9Q5883, 9Q5930 and 9Q5940 Caterpillar

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

Start By:

1. Remove the track carrier rollers. Refer to Disassembly and Assembly, "Track Carrier 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 for the track carrier roller.

1. Thoroughly clean the outside of the track carrier 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	g00489477

2. Remove plug (2). Drain the oil from the carrier roller into a suitable container for disposal. The capacity of the track carrier roller is 180 ± 10 mL (6.12 ± .34 oz).

3. Remove three socket head bolts (1) and cover (3) from the track carrier roller.

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Illustration 2	g00489481

4. Remove O-ring seal (4) from cover (3) .

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Illustration 3	g00489486

5. Remove washer (5) .

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Illustration 4	g00489493

6. Remove two socket head bolts (6) and retainer (7) from the end of the shaft assembly.

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Illustration 5	g00489495

7. Carefully remove shaft assembly (8) from the track carrier roller.

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Illustration 6	g00489497

8. Remove Duo-Cone seal (9) from the track carrier roller.

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Illustration 7	g00489499

9. Remove Duo-Cone seal (10) from shaft assembly (8) .

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Illustration 8	g00489522

10. Measure distance "X" on the shaft assembly. Record this dimension for assembly purposes. Use a press to push shaft (8) out of collar (11). Remove the O-ring seal from the inside of the collar.

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Illustration 9	g00489523

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Illustration 10	g00367312

11. Remove bearings (12) and (13) from the track carrier roller.