ZF-Ergomat Drive Unit HFS 507, GP 18, GP 20, GP 21 Repair Manual PDF

This PDF Repair Manual describes the disassembly and reassembly as well as the elimination of failures for ZF Transmissions HFS 507, GP 18, GP 20, and GP 21 Models.

The herein described work is only allowed to be made by specialists who were trained by ZF GOTHA for maintenance and repair work on ZF units. It is absolutely required that the design and function of the mentioned transmission types are known.

The repair service manual is presented in PDF format, which greatly simplifies its use since it does not require installation (INSTANT DOWNLOAD). To work with the PDF manual, we recommend that you use the Adobe PDF Reader application.

At the top of the page, you can see the link 'ZF pdf manual instant preview'. By clicking on it, you can see what this manual is all about, what quality of pictures and drawings in it. You can also read the list of content that is presented below.

Models covered:
HFS 507,
GP 18,
GP 20,
GP 21.

CONTENTS:

• 1. PRODUCT DESCRIPTION
  • 1.1 Components and Accessories of the HFS 507 or GP – Transmission
  • 1.2 Transmission Identification
• 2. SAFETY INSTRUCTIONS
  • 2.1 Applied Terms and Warning Symbols
• 3. PRODUCT SAFETY AND DANGER ZONES
  • 3.1 Immediate Actions at Contact with Cleaning Agents
• 4. GENERAL DATA FOR DISASSEMBLY AND REASSEMBLY 
  • 4.1 Safety Instructions
  • 4.2 General Instructions for Correct Disassembly and Reassembly
  • 4.3 Torque Limits in Nm for Screws to ZF Standard
  • 4.4 Consumables
  • 4.5 Additional Literature
  • 4.6 Standard Tools
  • 4.7 Measuring Tools
  • 4.8 Transmission – Special Tools & Fixtures
• 5. DISASSEMBLY
  • 5.1 Safety Instructions
  • 5.2 Removal of the Drive Unit from the Vehicle
  • 5.3 General Instructions
  • 5.4 Disassembly of the Drive Unit
  • 5.5 Disassembly of the Transmission
• 6. REASSEMBLY
  • 6.1 Safety Instructions
  • 6.2 General Instructions for Reassembly
  • 6.3 Assembly of the Transmission
  • 6.4 Assembly of the Drive Unit
  • 6.5 General Instructions after the Assembly