Case CX300D Crawler Excavator Service Manual

$38.00

Case CX300D Excavator LC and NLC Version Service Manual – 3342 Pages
Case CX300D Excavator Service Manual – 3370 Pages

Publication Number: 47928490 & 47843018
English
October 2015 & February 2015
Format: PDF

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Description

Case CX300D Excavator Manual

Excavator Model: CX300D
Publication Number: 47928490 & 47843018
English
October 2015 & February 2015
Format: PDF

Case CX300D Excavator LC and NLC Version Service Manual – 3342 Pages
Case CX300D Excavator Service Manual – 3370 Pages

Manual Table of Content:

  1. Content
  2. Introduction
  3. Engine
  4. Hydraulics System
  5. Frames and Ballasting
  6. Tracks and Track Suspension
  7. Cab Climate Control
  8. Electrical System
  9. Booms, dippers and buckets
  10. Dozer Blade and Arm
  11. Platform, cab, bodywork and decals
  12. Special Tools Index
  13. Hydraulic Schematics
  14. Electrical Schematics

Manual Extract: Alternator – Static description

The main components of the charging system are the battery, the generator, and the battery discharge indicator light circuit. The generator is the self-rectifier type with a regulator built in.

Generator

The generator is the brushless type.
The main components include the rotor, stator, rectifier assembly, front bracket, rear bracket, IC regulator, bearing, and pulley.

The moving parts are the rotor and the pulley. The field coil is fixed to the rear bracket.

6 main diodes and 2 additional diodes are used to change the three-phase alternating current generated in the stator coil to a direct current.3 out of the 6 main diodes are referred to as positive diodes, and the rest are referred to as negative diodes. In addition, 3 small diodes that are referred to as the triodiode are used to supply the field current.

This generator has 3 terminals: the B terminal (direct current output terminal), the L terminal, and the R terminal.
Since the L terminal is connected to the field coil, it works as an input terminal for the initial excitation current together with the R terminal until the generator starts generating power.

Also, it functions as an output terminal. (Current capacity is 1 A.) When the L terminal voltage reaches the battery voltage, the charge light turns OFF. Since both bearings are sealed, periodic lubrication is not required. The IC regulator cannot be disassembled, so it should be handled as an assembly.

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