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572R Pipelayer Machine Systems Caterpillar


Governor and Brake Control - Disassemble

Usage:

572R 2HZ

Disassembly Procedure

Start By:

  1. Remove the governor and decelerator. Refer to Disassembly and Assembly, "Governor and Decelerator - Remove" for the machine that is being serviced.

Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.

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    Illustration 1g00659284

  1. Remove bolt (2) and the washer. Remove lever (1) and the key from the shaft.
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    Illustration 2g00659285

  1. Remove three bolts (3) and remove pedals (4) .
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    Illustration 3g00659286

  1. Remove five springs (5).
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    Illustration 4g00659287
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    Illustration 5g00659288

  1. Remove cotter (6). Remove nut (8), two spacers, the washer, and the bolt. Remove link assembly (7) and the bushing. Repeat for the other link assembly.
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    Illustration 6g00659289

  1. Remove four bolts (9) and spacer (11). Remove cover (10) and shaft assembly with the gasket.
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    Illustration 7g00659290

  1. Position the cover and shaft assembly in a vise. Remove nut (13) and bearing (12) .
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    Illustration 8g00659291

  1. Apply pressure to the top of shaft assembly (14). Release shaft assembly (14) from cover (10) .
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    Illustration 9g00659292

  1. Remove two rollers (16) and spacer (15) from shaft assembly (14) .
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    Illustration 10g00659294

  1. Remove two dowels (17), two springs (18), plate (19), and the spring from shaft (14) .
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    Illustration 11g00659295

  1. Loosen two bolts (20) .
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    Illustration 12g00659296

  1. Remove shaft assembly (21) from the housing. Remove link assembly (22) from the housing.
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    Illustration 13g00659298

  1. Remove bearing (23) from the housing.
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    Illustration 14g00659299

  1. Remove retaining ring (25) and washer (24). Remove shaft (26) and the bearing from the housing.
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    Illustration 15g00659300

  1. Disconnect two electrical wires (27) .
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    Illustration 16g00659301

  1. Remove two bolts (28) and the bracket with the sensor.
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    Illustration 17g00659302

  1. Remove two bolts (29), the washers, the nuts, and sensor (30) .
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    Illustration 18g00659303

  1. Remove two bolts (32) and the washers. Remove two bolts (34), four washers, and two nuts. Remove four bolts (33) and the washers. Remove two brackets (31) .
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    Illustration 19g00659304
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    Illustration 20g00659305

  1. Disconnect two electrical wires (36) and remove sensor (35). Loosen bolts (39). Remove two arm assemblies (37) and sensor (38) .
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    Illustration 21g00659308

  1. Remove two retaining rings (41) and three washers (40). Remove shaft (42) and the bearing from the housing. Repeat this procedure for the other shaft.

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