Bosch REXROTH HYDROTRAC GFT 8000 User Manual (English)

Questions and Answers:

M
Morgan ClarkAug 5, 2025
Why is the operating temperature of my Bosch REXROTH HYDROTRAC GFT 8000 substantially higher than normal?
- S
  Stephanie WebbAug 5, 2025
  If the operating temperature of your Bosch DC Drives is substantially higher than normal, it might be due to the oil level being too high or too low. Allow the planetary gearbox to cool down to approximately 50 °C, then check the oil filling level. Add lubricating oil if needed, or drain off excess oil if the level is too high. Another possible cause is that the lubricating oil is too old or badly contaminated. Check the operating instructions of your system, machine, or vehicle to see when the last oil change occurred, and perform an oil change if necessary, following the procedure described in chapter 10.2 'Inspection'.
J
Jennifer ObrienAug 10, 2025
What to do if my Bosch DC Drives are leaking oil?
- A
  Ashley WhiteAug 10, 2025
  If you notice oil leaking from your Bosch DC Drives, the cause could be a defective output seal. Check the seals as far as possible and replace them if necessary. If the leak persists, you should notify Rexroth Service. Another reason could be that seals on partition seams or on the locking screws are defective.
C
Carol VasquezAug 15, 2025
Why is the lubricating oil foaming in my Bosch REXROTH HYDROTRAC GFT 8000 DC Drives?
- A
  Annette HendrixAug 16, 2025
  If the lubricating oil in your Bosch DC Drives is foaming, it may be due to incompatibility between the lubricating oil and any oil remains or the preservation oil in the planetary gearbox. To resolve this, replace the lubricating oil and rinse the system with an appropriate purging oil.
K
Kyle MillerAug 20, 2025
How to fix noises in Bosch REXROTH HYDROTRAC GFT 8000 DC Drives?
- R
  Riley RamirezAug 20, 2025
  If you are experiencing noises with your Bosch DC Drives, it could be that the gearbox fastening has become loose. Try tightening the screws with the required tightening torque.
J
john00Aug 26, 2025
What causes changed gearbox noises in Bosch REXROTH HYDROTRAC GFT 8000?
- S
  sporterAug 26, 2025
  If you observe changed gearbox noises in your Bosch DC Drives, it may be caused by damaged gears. In this case, notify Customer Service and check the toothed components for flaws such as pittings. Let Rexroth Service replace the damaged parts. Another reason could be bearing play. Notify the Rexroth Service. The reason could also be that the bearing is defective.
J
John OchoaAug 31, 2025
What causes decreasing brake action in Bosch REXROTH HYDROTRAC GFT 8000?
- A
  amandafisherAug 31, 2025
  If your Bosch DC Drives have decreasing or non-existent brake action, it may be due to thermal overload of the multiple-disk brake. Contact the Rexroth Service and let trained staff or Rexroth Service employees carry out an inspection on the multiple-disk brake, and replace the disks, springs and sealing elements per axle.

Bosch REXROTH HYDROTRAC GFT 8000 Specifications

General

Brand	Bosch
Model	REXROTH HYDROTRAC GFT 8000
Category	DC Drives
Language	English

Summary

About this documentation

Validity of the documentation

Specifies the product for which this documentation is valid.

Required and supplementary documentations

Lists necessary documents for commissioning and operation.

Presentation of information

Explains the structure, icons, and terminology used in the document.

Safety instructions

Intended use

Defines the proper application and purpose of the planetary gearbox.

Improper use

Details uses that are not permitted and the associated liabilities.

Qualification of Personnel

Specifies the necessary qualifications for operating personnel.

General safety instructions

Provides essential safety guidelines for product handling and operation.

Product and technology-dependent safety instructions

Outlines safety measures specific to the product and its technology.

Personal Safety Equipment (PSA)

Lists the required personal protective equipment for users.

General information concerning damage to property and product damages

About this product

Performance description

Details on the performance characteristics and technical data.

Product description

Overview of the HYDROTRAC GFT 8000 planetary gearbox and its features.

Application conditions

Specifies the designed environmental operating conditions for the gearboxes.

Description of the brake

Explains the integrated static multiple-disk parking brake.

Product overview

Illustrates the planetary gearbox with key components identified.

Identification of the product

Information on how to identify the specific planetary gearbox model.

Transport and storage

Transporting the HYDROTRAC GFT 8000

Provides safety instructions and procedures for transporting the gearbox.

Storing the HYDROTRAC GFT 8000

Guidelines and precautions for storing the planetary gearbox.

Assembly

Unpacking

Instructions for unpacking the planetary gearbox upon delivery.

Installation conditions

Specifies environmental and site requirements for installation.

Installation position

Defines the approved and recommended installation orientation.

Assembling the HYDROTRAC GFT 8000

Detailed steps for assembling the planetary gearbox.

Connecting the static multiple-disk parking brake

Procedure for connecting the parking brake to the hydraulic system.

Equipment variants

Information on optional equipment such as disconnect mechanisms.

Commissioning

Initial commissioning

Steps and requirements for the initial startup of the gearbox.

Filling lubricating oil via the oil filler opening on the cover side

Procedure for filling lubricating oil through the cover side opening.

Filling lubricating oil via the oil filler opening on the motor side

Procedure for filling lubricating oil through the motor side opening.

Completing commissioning and run-in period

Final steps and checks after initial commissioning.

Operation

Servicing and repair

Cleaning and care

Guidelines for cleaning and maintaining the planetary gearbox.

Inspection

Procedures for inspecting the gearbox for wear and potential issues.

Maintenance schedule planetary gearbox

Schedule outlining required inspection and maintenance intervals.

Changing the lubricating oil via the cover side

Detailed steps for changing the lubricating oil from the cover side.

Changing the lubricating oil via the motor side

Detailed steps for changing the lubricating oil from the motor side.

Repair

Information on Rexroth's repair services and warranty conditions.

Spare parts

Guidance on ordering and using Rexroth original spare parts.

Disassembly and replacement

Preparing the disassembly

Safety precautions and preparation steps before disassembling.

Disassembling the planetary gearbox from the machine or chassis frame

Step-by-step procedure for removing the gearbox from its mounting.

Draining the lubricating oil via the cover side

Procedure for draining oil through the cover side opening.

Draining the lubricating oil via the motor side

Procedure for draining oil through the motor side opening.

Preparing the planetary gearbox for storage reuse

Steps to prepare the gearbox for long-term storage.

Disposal

Environmental protection

Instructions for environmentally sound disposal of the gearbox and related materials.

Troubleshooting and fault correction

Troubleshooting procedure

Methodology for systematic identification and resolution of malfunctions.

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Bosch REXROTH HYDROTRAC GFT 8000 User Manual

Table of Contents

Questions and Answers:

Bosch REXROTH HYDROTRAC GFT 8000 Specifications

Summary

About this documentation

Validity of the documentation

Required and supplementary documentations

Presentation of information

Safety instructions

Intended use

Improper use

Qualification of Personnel

General safety instructions

Product and technology-dependent safety instructions

Personal Safety Equipment (PSA)

General information concerning damage to property and product damages

About this product

Performance description

Product description

Application conditions

Description of the brake

Product overview

Identification of the product

Transport and storage

Transporting the HYDROTRAC GFT 8000

Storing the HYDROTRAC GFT 8000

Assembly

Unpacking

Installation conditions

Installation position

Assembling the HYDROTRAC GFT 8000

Connecting the static multiple-disk parking brake

Equipment variants

Commissioning

Initial commissioning

Filling lubricating oil via the oil filler opening on the cover side

Filling lubricating oil via the oil filler opening on the motor side

Completing commissioning and run-in period

Operation

Servicing and repair

Cleaning and care

Inspection

Maintenance schedule planetary gearbox

Changing the lubricating oil via the cover side

Changing the lubricating oil via the motor side

Repair

Spare parts

Disassembly and replacement

Preparing the disassembly

Disassembling the planetary gearbox from the machine or chassis frame

Draining the lubricating oil via the cover side

Draining the lubricating oil via the motor side

Preparing the planetary gearbox for storage reuse

Disposal

Environmental protection

Troubleshooting and fault correction

Troubleshooting procedure

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