320D3 Hydraulic Excavator Machine Systems Caterpillar


Pump Drive Coupling - Remove and Install

Usage:

320D3 ESX

Removal Procedure

Start By:

  1. Remove the main hydraulic pump.


    Illustration 1g06318425

  1. Loosen set screws (1) and remove a part of pump drive coupling (2) from the main hydraulic pump.


    Illustration 2g06318429

  2. Remove bolts (3) and other half of pump drive coupling (2) from the flywheel.


    Illustration 3g06318431

  3. Remove spring pins (4).

Installation Procedure

  1. Install pump drive coupling (2) in the reverse order of removal.

    1. Tighten bolts (3) to a torque of 320 ± 10 N·m (236 ± 7 lb ft).

    2. Tighten setscrews (1) to a torque of 110 ± 10 N·m (81 ± 7 lb ft).

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