PL83 and PL87 Pipelayers Power Train Caterpillar


Modulating Valve (Transmission Hydraulic Control) - Remove and Install

Usage:

PL83 CB2

Removal Procedure

  1. Turn the battery disconnect switch to the OFF position.


    Illustration 1g03853163

  2. Remove bolts (2), guard (1), cover (3), and the gasket.


    Illustration 2g02857503

  3. Disconnect harness assembly (4). Remove bolts (6) and modulating valve (5).


    Illustration 3g02857504

  4. Remove nut (7), washer (8), and coil assembly (9).

  5. Remove adapter (10) and O-ring seal (11).

Installation Procedure

  1. Install modulating valve (5) in the reverse order of removal.

    1. Tighten adapter (10) to a torque of 14 ± 4 N·m (124 ± 35 lb in).

    2. Tighten nut (7) to a torque of 13 ± 2 N·m (115 ± 18 lb in).

    3. Tighten bolts (6) to a torque of 30 ± 4 N·m (22 ± 3 lb ft).

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