ATLAS 1504/1604 LC Excavator Workshop Service Manual PDF

Description

ATLAS 1504/1604 LC Excavator Workshop Service Manual PDF DOWNLOAD

Description

If you need a proper workshop-level manual (not a basic operator guide), this is the official ATLAS 1504/1604 LC Workshop Manual designed for technicians. It includes adjustment values, troubleshooting references, diagrams, hydraulic component explanations, and service procedures to keep your machine running reliably.

✅ Models Covered

• ATLAS 1504 LC

• ATLAS 1604 LC

🧰 What this manual helps you do

• Set up & verify key hydraulic pressures, flows, and valve functions

• Use adjustment tables for correct machine tuning (1504 & 1604)

• Diagnose electrical and system faults more confidently

• Service major systems: engine, gearbox, slewing system, cylinders, A/C

• Follow safe, correct maintenance intervals and lubrication points

📑 TABLE OF CONTENTS

1. Technical data

2. General information on hydraulics

3. Cab Serial 935

4. Hydraulics

5. Adjusting instructions and tables for 1504 LC

6. Adjusting instructions and tables for 1604 LC

7. Electric

8. Engine

9. Ball rotation connection

10. Slewing gear

11. Gear box

12. Cylinder

13. Air condition system

14. Maintenance

15. Miscellaneous

Contents

3) Cab Serial 935

• General view of cab

• Right switch panel

• Left switch panel

• Special equipment

• Display & controls

• Starting procedure description

4) Hydraulics (Detailed)

• Servo control unit

• Distributor valves (VW)

  • VW 18 (1504 LC / 1604 LC)

  • VW 14 (1504 LC / 1604 LC)

• Directional control valve VW 18/25

• Directional control valve VW 18/25 for cylinder implement

  • Design / Exploded view

  • Combined relief & make-up valve (design + functional description)

  • Control block

  • Servo unit (folding jib, slewing, lifting/lowering, bucket/grab)

• Variable displacement pump HPR 105/135-02

  • Circuit diagram, functional + technical description

  • Connection & gauge port diagram

  • Basic design (rotating group, port plate housing, control system)

• Slewing motor HMF-02P (arrangement, ports, circuit diagram, valve functions)

• Variable displacement motor HMV 105-02 (circuit diagram, function, connections)

• Brake valve

• Variable drive motor with automatic control system

• Automatic engine idle system

• Thermostat valve / Restrictor

• Main rotation connection + maintenance

• Line break protection (arrangement + operation)

• Hydraulic diagrams (1504 LC / 1604 LC + hammer equipment variants)

14) Maintenance (Contents)

• Safety instructions for maintenance

• Renewing hydraulic fluid filter element

• Renewing mesh strainer fuel filter

• Renewing fuel filter

• Changing engine oil & renewing engine oil filter

• Maintenance schedule

• Lubrication points of excavator

• Lubricants

📄 File Details

Stop guessing and repair it the factory-correct way—with proper adjustment values, hydraulic diagrams, and service procedures. Download instantly and get your ATLAS 1504/1604 LC back to work faster.