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CIPI UNDERCARRIAGE Arrangements: 9Q-5262, 191-4041, and 204-9207 Caterpillar


Travel Motor - Disassemble

Usage:

OEMS L5E

Disassembly Procedure

Start By:

  1. Remove the travel motor. Refer to Disassembly and Assembly, "Travel Motor - Remove" in this manual.

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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.

  1. Thoroughly clean the outside of the travel motor prior to disassembly. Fasten the travel motor to a suitable holding fixture in a vertical position. The weight of the travel motor is approximately 66 kg (145 lb).

  1. Put an alignment mark across the head and the body of the travel motor for assembly purposes. The head must be reinstalled in the head's original position on the body of the travel motor.
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    Illustration 1g00484393

    Note: Carefully remove head (2) from the travel motor body. Do not scratch the mating surfaces of the components or damage the mating surfaces of the components.

  1. Remove nine socket head bolts (1) and head (2) from the body of the travel motor.
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    Illustration 2g00484402

  1. Turn over head (2). Remove O-ring seal (6), shims (5), port plate (4), and bearing (3) from the head. Remove the two check valve assemblies from the head.
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    Illustration 3g00484404

    Note: There is a retainer under spring (9). This retainer is a press fit in head (2). Do not remove the retainer.

  1. Put a bar with a small diameter in hole (X). Use a plastic mallet to tap the bar in order to remove spring (9), poppet (8) and seat (7) from the head.
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    Illustration 4g00484406

  1. Remove three fittings (10) and four plugs (11) from the head. Remove the O-ring seal from each fitting.
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    Illustration 5g00484408

  1. Remove three O-ring seals (12) and washers (13) from the body of the travel motor.

  1. Place a shop towel over brake piston (14). Retain brake piston (14) by hand. Apply approximately 525 kPa (75 psi) of air pressure to brake port (Y). Brake piston (14) will move out of the piston guide. Remove brake piston (14) from the body of the travel motor.
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    Illustration 6g00484417

  1. Remove O-ring seals (15) and (17) from the brake piston. Remove rings (16) and (18) from the brake piston.
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    Illustration 7g00484441

  1. Remove piston guide (19), five friction plates (20) and the four steel plates from the body of the travel motor.
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    Illustration 8g00484443

  1. Remove O-ring seal (21) and ring (22) from the piston guide.
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    Illustration 9g00484460

    Note: Do not allow the components of barrel assembly (23) to come apart during the removal from the travel motor. All of the components in the barrel assembly must be reinstalled in the component's original location.

  1. Use two large screwdrivers to slowly remove barrel assembly (23) from the body of the travel motor. Do not allow the components to fall apart.
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    Illustration 10g00484502

  1. Shoe retainer (24) and piston shoe assemblies (25) are nonserviceable separately. Prior to the removal of the shoe retainer and the piston shoe assemblies from barrel (26), put identification marks on piston shoe assemblies (25) for assembly purposes. Identification marks are used to identify the shoe's location in shoe retainer (24) and barrel (26). The piston shoe assemblies must be reinstalled in the assembly's original bores in the shoe retainer and barrel.

  1. Remove shoe retainer (24) and piston shoe assemblies (25) from barrel (26). Separate the piston shoe assemblies from the shoe retainer.
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    Illustration 11g00484525

  1. Remove guide (27) and nine springs (29) from the barrel.
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    Illustration 12g00484527

  1. Remove cam plate (30) from the body of the travel motor.
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    Illustration 13g00484530

  1. Remove two keys (31) and two locating pins (32) (not shown) from the body of the travel motor.
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    Illustration 14g00484533

  1. Remove O-ring seal (33) from the body of the travel motor.

  1. Use a soft faced hammer to remove shaft assembly (34) from the body of the travel motor. The arrow shows the direction to remove the shaft assembly.
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    Illustration 15g00484534

  1. Remove retaining rings (35) from each side of bearing (36). Push shaft (34) out of bearing (36) with a press.
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    Illustration 16g00484536

  1. Remove inner race (37) from shaft (34) .
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    Illustration 17g00484539

  1. Remove lip type seal (38) from the body of the travel motor.
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    Illustration 18g00484562

  1. Remove two stoppers (39) and the two pistons from the body of the travel motor.

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