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mecalac 12 MXT - User Manual

mecalac 12 MXT
88 pages
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HANDBOOK OF REPAIR
MANUFACTURER: “MECALAC SAS”

Table of Contents

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Summary

Safety Precautions

Description of the Machine

Rear Chassis

Details the rear chassis, engine, and pump functions.

Equipment

Details the boom, intermediate boom, coupling, and dipper.

Tool-holder

Explains the tool holder for quick attachment changes.

Technical Characteristics

Turbocharged Engine

Details engine type, power, torque, and cooling.

Axles

Lists axle types and gear ratios.

Hydraulic System

Describes the three independent hydraulic circuits.

Equipments Travel Curves

In Back-hoe Bucket Position

Diagram showing working range in back-hoe position.

In Loading Bucket Position

Diagram showing working range in loading position.

Table of Stability Loads in kg

Lifting and Handling in the Longitudinal Position without Stabilizers

Stability loads for longitudinal lifting without stabilizers.

Lifting and Handling in the Transverse Position with Standard Stabilizers

Stability loads for transverse lifting with standard stabilizers.

Lifting and Handling in the Transverse Position without Stabilizers

Stability loads for transverse lifting without stabilizers.

Lifting and Handling in the Transverse Position with Telescopic Stabilizers

Stability loads for transverse lifting with telescopic stabilizers.

Towing

Disconnection of the Hydrostatic Travel

Procedure for disconnecting the hydrostatic travel for towing.

If the Turntable is Badly Oriented

Steps to release the motor brake for a badly oriented turntable.

Transporting the Machine

Loading on a Trailer

Instructions for loading the machine onto a trailer.

Slinging for Lifting

Procedures for safely slinging the machine for lifting.

Location of the Hydraulic Components

Hydraulic Diagrams

Travel Circuit

Diagram of the machine's travel hydraulic circuit.

Accelerator, Main and Parking Brake Circuits

Diagrams for accelerator, main, and parking brake hydraulic circuits.

Steering and Slewing Circuits

Diagrams for steering and slewing hydraulic circuits.

Turntable Supply and Return Circuit

Diagram of the turntable's hydraulic supply and return.

Location of the Electric Components

Solenoid-Operated Valves

Identifies solenoid-operated valves and their functions.

A Relay Plate (Under the Cab Seat)

Details the components and connectors on A relay plate.

B Relay Plate (Under the Cab Seat)

Details the components and connectors on B relay plate.

Relay Box (on Fuel Tank)

Lists fuses and relays in the fuel tank relay box.

Air Conditioning Relay Box (Option) (Under the Cab Floor)

Lists relays for the air conditioning system.

Adjustment Procedure

Adjustment Procedure for the Heat Engine

Steps to adjust the engine's maximum and minimum regimes.

Hydraulic Adjustment Procedure for the Gears

Procedures for checking and adjusting hydraulic pressures for gears.

Direction Adjustment Procedure

Procedures for adjusting direction control and pressure differentials.

Hydraulic Adjustment of the Equipment

Procedures for adjusting equipment hydraulic pressures and flow.

Tools

mecalac 12 MXT Specifications

General IconGeneral
Brandmecalac
Model12 MXT
CategoryExcavators
LanguageEnglish

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