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Twin Disc TA-90-8501 - User Manual

Twin Disc TA-90-8501
152 pages
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Components:
TA-90-8501 Transmission
8-FLW-2302-0 Torque Converter
TDEC-400 Electronic Control
Document Number: 1020510
TWIN DISCTWIN DISC
TWIN DISCTWIN DISC
TWIN DISC
INCORPORAINCORPORA
INCORPORAINCORPORA
INCORPORA
TEDTED
TEDTED
TED
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Summary

Twin Disc Exclusive Limited Warranty

General Units Warranty Terms

Outlines the 24-month/12-month warranty period and conditions for general units.

Introduction to Power Shift Transmission System

General Information and Special Tools

Provides necessary info for operation, maintenance, and fabrication of special tools.

Replacement Parts

Details on ordering spare or replacement parts and shipment.

Preventative Maintenance and Troubleshooting

Information to assist in obtaining trouble-free operation and identifying problems.

Safety Guidelines

Emphasizes safe practices for personnel operating and servicing the unit.

Sources of Service Information

Information on obtaining the latest service information and contact details.

Warranty Reference

States that equipment has a limited warranty and refers to the warranty statement.

Description and Specifications of Power Shift Transmission

General System Description

General reference to Twin Disc Application #AN4019 and system overview.

Model Identity Numbers and Letters

Explains the meaning of numbers and letters used in model identification.

Transmission Description

Details the transmission's input and planetary output sections and clutch assemblies.

Regulator Valve Assembly

Explains pressure regulating valves for main, converter, and lube oil pressures.

Special Features

Describes clutch materials and construction, and bearing types used in the transmission.

System Specifications

Provides normal temperature range and pressure specifications at low and high speeds.

Operation of the Power Shift Transmission

Checking Oil Level

Procedure for checking transmission oil level before each use.

Basic System Description

Describes the function and relationship of major components in the power transmission system.

Transmission Component Summary

Summarizes the torque converter and remote mounted transmission components.

Transmission Hydraulic System

Explains how the hydraulic system provides oil for operation and lubrication.

Power Flow Through Transmission System

Describes how power flows from the engine through the torque converter and transmission.

D.C. Power Supply

Details the input power connection and circuit protection for the electronic control.

Electronic Control System Overview

Monitors and coordinates torque converter and transmission functions using external components.

System Operation

Outlines the start-up procedure for the transmission control system.

Fracturing Rig Operating Modes

Describes the capabilities of the control system in Drive, Work, and Diagnostic modes.

Diagnostics Test Mode

Explains how to enter diagnostic mode for controller system tests and troubleshooting.

Operational Problems

Advises referring to troubleshooting for issues and understanding normal operation.

Preventative Maintenance Procedures

General Maintenance

Covers lubrication requirements and transmission/converter overhaul intervals.

Hydraulic System Maintenance

Details procedures for checking and maintaining the hydraulic system.

Periodic Visual Inspection

Guides on inspecting mounting points, wiring, and components for security and damage.

Hydraulic System Pressure Checks

Outlines procedures for checking main and lube oil pressures at various stages.

Troubleshooting Guide for Power Shift Transmission

General Troubleshooting Approach

Guides maintenance personnel in troubleshooting the power shift transmission and control.

Pressure and Flow Test Kit

Introduces a portable kit for testing and troubleshooting the hydraulic system.

Troubleshooting Discussion

Lists topics covered in troubleshooting, including display messages and pressure testing.

Problems that Show No Fault Messages in the Display

Addresses issues where the display is blank or shows no fault messages.

Problems that Show Fault Messages in the Display

Helps troubleshoot fault messages displayed by the TDEC-400 control system.

Diagnostic Test Mode

Explains how to enter diagnostic mode for controller system tests and troubleshooting.

Transmission In Oil Well Fracturing Rig Test

Details tests to ensure proper installation and function after component replacement.

Engineering Drawings

List of Engineering Drawings

Lists available engineering drawings specific to the equipment model.

Twin Disc TA-90-8501 Specifications

General IconGeneral
BrandTwin Disc
ModelTA-90-8501
CategoryMicrophone system
LanguageEnglish

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