Komatsu WA1200-3 Switching Pump Assembly Removal Guide

Product Overview

Efficiently manage the removal and installation of the switching pump assembly on your Komatsu WA1200-3 machine by following this detailed guide. This procedure ensures proper handling of components and prevents potential damage. Ensure you have all necessary replacement parts on hand, such as hoses and O-rings, as they need to be replaced during reinstallation.

Table of Contents

• 01 General Information
• 10 Structure and Function
• 20 Testing and Adjusting
• 30 Disassembly and Assembly
• 40 Maintenance Standard
• 90 Others

Removal Process

Before commencing with the removal of the switching pump assembly, perform the tasks outlined in “2. Preparatory work” and “3. Precautions during work” of “00-3 Safety Notice” to ensure safe and effective removal.

Step-by-Step Guide

1. Drain the hydraulic oil. Volume: Approximately 1,125 liters.
2. Open the upper step cover to access internal components.
3. Disconnect hoses labeled (1) and (2).
4. Proceed to detach hoses (3) and (4).
5. Remove U-bolt (5) before disconnecting the suction tube (6).
6. Disconnect hose labeled (7).
7. Detach hoses (8) and (9).
8. Sling the switching pump assembly (10) carefully, remove its mounting bolts, and lift it off.

For reference, here is an image of the switching pump assembly.

Key Features

• Switching pump assembly weighing 190 kg.
• Comprehensive guide for safe disassembly.
• Requirements for replacement of consumable parts.

Benefits

• Ensures smooth removal and installation process.
• Minimizes downtime with detailed step-by-step instructions.
• Prevents potential damage to machinery with careful procedure.

Usage Recommendations

• Always replace consumable parts during the reinstallation process.
• Have all necessary tools and parts ready before starting the procedure.
• Strictly follow precautionary measures for safe handling.