ZF GK25 User Manual

ZF Gotha GmbH • Karl-Liebknecht-Straße 26 • D-99867 Gotha
Maintenance and Installation Instructions
GK20 – GK40
Edition: 11.07.2006
For possible technical modifications of the product described in this manual ZF Gotha GmbH reserve the
right to change the product documentations, if necessary. Technical modifications are to be considered as
modifications in production, processing and appearance of the product.
Copyright ZF Gotha GmbH 2006

ZF GK25 Specifications

General

Brand	ZF
Model	GK25
Category	Microphone system
Language	English

Summary

SAFETY INSTRUCTIONS

Important information on industrial safety

Highlights critical safety warnings and symbols used in the manual for industrial operations.

INSTALLATION

Torque limits in Nm for screws to ZF Standard 148

Lists torque values for various metric screw sizes and grades for safe and correct assembly.

Attachment of the Electric Motor

Details the procedure for connecting the electric motor to the transmission unit, including necessary preparations.

Pivoted Connection-Steering

Mounting of the gear ring with pivoted bogie bearing GK 20, GK 25 & GK 30

Describes the step-by-step process for mounting the gear ring and bogie bearing for specific GK models.

Mounting of the pivoted bogie bearing with holding ring GK 40

Outlines the procedure for attaching the bogie bearing with a holding ring for the GK 40 transmission.

Mounting of the transmission top section GK 40

Details the steps for installing the top section of the GK 40 transmission onto the housing.

Mounting of the gear ring GK 40

Explains how to mount the gear ring onto the steering turntable for the GK 40 transmission.

Lubrication and maintenance of the pivoted connection

Pivoted Connection – Roller Chain Steering

Chain tensioner

Explains the function and mounting of the chain tensioner for roller chain steering systems.

Mounting of the pivoted connection

Mounting of the chain tensioner

Calculation formula for steering drive design

Transmission Attachment to the Mounting Construction in the Vehicle

Drive wheel mounting

Initial Operation / Maintenance

Oil grade for transmission types GK 20, GK 25, GK 30

Oil grade for transmission type GK 40

Maintenance intervals Transmission

Oil Change

Drain the transmission oil at GK 20, GK 25 & GK 30

Drain the transmission oil at GK 40

Fill in the transmission oil at GK 20, GK 25 & GK 30

Fill in the transmission oil at GK 40 (Possibility 1)

Fill in the transmission oil at GK 40 (Possibility 2)

Technical Data of the GK – Product Range

Maintenance Scheme

Maintenance intervals

Maintenance work