Schaeff HT 12 User Manual

HT 12 Unimog 1.96 1
1 Introduction
1.1 General
You decided to buy a Schaeff backhoe excavator HT 12.
The confidence placed in this model will be rewarded by the efficient and economical
performance of the machine.
These operating instructions contain all information necessary for the correct use of the
machine. Please read them carefully before putting the machine into operation and
make sure that they are kept at hand at all times.
Should you need further explanations or should anything be unclear, please contact
your dealer immediately.
Special equipment and attachments are not included in these operating instructions.
We reserve the right to make improvements on the machine within the scope of
impending technical developments, without incurring any obligation to change these
operating instructions.
Note
Any modifications of Schaeff products and their equipment using extras and work
attachments which are not included in our product range require our written
approval. If our approval is not sought, our warranty expires, as does our product
liability for any resulting consequential damages.
Note
The vehicle identity number of the
backhoe excavator is stamped on the
identification plate located on the slide.
Please state the machine type and the
machine identity number when making
inquiries or orders, and in all written
correspondence.
Our address :
Head Office / Sales Service Spare Parts
Karl Schaeff GmbH & Co. Karl Schaeff GmbH & Co. Schaeff Ersatzteile-Service
Maschinenfabrik Maschinenfabrik GmbH & Co.KG
Postfach 61 • D-74595 Langenburg Postfach 1264 • D-91534 Rothenburg Postfach 12 64 • D-91534 Rothenburg
Schaeffstr.8 • D-74595 Langenburg Erlbacher Str. 113 • D-91541 Rothenburg Erlbacher Straße 113 • 91541 Rothenburg
Tel. +49 7905 58-0 Tel. +49 9861 972-451 Tel. +49 9861 972-0
Fax +49 7905 58-114 Fax +49 9861 972-460 Fax +49 9861 972-410

Schaeff HT 12 Specifications

General

Brand	Schaeff
Model	HT 12
Category	Excavators
Language	English

Summary

Introduction to Schaeff Backhoe Excavator

Proper Use and Safety Guidelines

Defines intended use, improper use, and essential safety compliance for the backhoe excavator.

Warranty and Maintenance Requirements

Accident Prevention and Safety

Pre-Operation Safety Checks

Emphasizes reading instructions, national regulations, daily checks, and operator responsibility before operation.

Operational Safety Procedures

Covers assigned operators, defect reporting, proximity safety, and securing stopped machines.

Regular Inspections and Operator Responsibility

Maintenance and Repair Safety Precautions

Details crucial safety procedures for performing maintenance, repairs, and safe jacking of the machine.

Mounting and Dismounting Instructions

Mounting Procedures

Step-by-step guide for securely mounting the backhoe excavator onto the host vehicle.

Dismounting Procedures

Step-by-step guide for safely dismounting the backhoe excavator from the host vehicle.

Excavator Operation

Operator Controls Overview

Identifies and explains the function of various operator controls for the backhoe excavator.

Preparing the Excavator for Operation

Procedures to prepare the backhoe excavator for operation, including engine start and stabilising.

Excavator Operation Basics

Explains how to operate the excavator's work equipment and stabilisers.

Lateral Work Equipment Adjustment

Crane Operations Safety

Carrying Capacity Charts

Changing Work Attachments Safely

Transport and Road Use

Transport Position Setup

Detailed steps for securing the backhoe in transport position for safe road travel.

Transition to Working Position

Procedures to safely convert the backhoe from transport to working position.

Care and Maintenance Schedule

General Maintenance Guidelines

Inspection Parts and Aids

Daily and Weekly Maintenance Tasks

Lubrication Point Overview

Detailed Inspection Plan

Hydraulic Oil Change Procedure

Troubleshooting Common Problems

General Problem Causes

Excavator Equipment Issues

System Performance Problems