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ASV PT-70 User Manual

ASV PT-70
146 pages
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Service Manual
PT-70/PT-80
Rubber Track Loader
Safety Overview
Technical Specifications
Circuit Diagrams
Maintenance
Controls & Instrumentation
Component Removal & Installation
Hydraulic Component Service
Hydraulic Pressure & Flow Check & Adjustment
Troubleshooting
ASVPT003
Part Number: 2046-159
Printed (1-08)

Table of Contents

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ASV PT-70 Specifications

General IconGeneral
Engine Power74 hp
Operating Weight9, 315 lbs
Width70 in
Height81 in
Length126 in
Net Power74 hp
Horsepower74 hp
Tire Size12-16.5

Summary

Product Safety Information

Safety Messages Overview

Explains DANGER, WARNING, CAUTION message types and their meanings.

Basic Precautions for Service

General safety guidelines to follow before servicing the machine.

Protective Equipment Guidelines

Recommends personal protective equipment for safe operation and maintenance.

Pressurized Systems Hazards

Hazards and precautions for pressurized systems.

Technical Specifications and Service Tools

PT-80 Specifications

Detailed technical specifications for the PT-80 model.

PT-70 Specifications

Detailed technical specifications for the PT-70 model.

Maintenance Procedures

Personal Safety for Maintenance

Safety warnings for performing maintenance tasks.

Track Tension Adjustment

Procedure for checking and adjusting track tension.

Track Removal and Installation

Procedures for removing and installing tracks.

Engine Oil and Filter Change

Procedure for changing engine oil and filter.

Hydraulic Fluid and Filter Change

Procedure for changing hydraulic fluid and filters.

Operator Enclosure Service

Personal Safety for Enclosure

Safety warnings for working on the operator enclosure.

Chassis and Fuel Tank Service

Personal Safety for Chassis

Safety warnings for working on the chassis and fuel tank.

Fuel Tank Removal and Installation

Procedure to remove and install the fuel tank.

Radiator and Oil Cooler Service

Personal Safety for Cooling System

Safety warnings for working on cooling system components.

Radiator/Oil Cooler Removal and Installation

Procedure to remove and install the radiator and oil cooler.

Hydraulic Reservoir Service

Personal Safety for Hydraulic Reservoir

Safety warnings for working on the hydraulic reservoir.

Hydraulic Reservoir Removal and Installation

Procedure for removing and installing the hydraulic reservoir.

Lift-Arm and Drive Controls

Personal Safety for Controls

Safety warnings for working on control components.

Pilot Control Joystick Service

Procedure to remove and install pilot control joysticks.

Hydraulic Pumps and Motors

Personal Safety for Pumps/Motors

Safety warnings for working on hydraulic pumps and motors.

Charge Pump Service

Procedure to remove and install the charge pump.

Auxiliary Pump Service

Procedure to remove and install the auxiliary pump.

Tandem Drive Pump Service

Procedure to remove and install the tandem drive pump.

Drive Motor Service

Procedure to remove and install the drive motor.

Engine Service Procedures

Personal Safety for Engine Work

Safety warnings for working on the engine.

Engine Removal and Installation

Procedure to remove and install the engine.

Undercarriage Service

Personal Safety for Undercarriage

Safety warnings for working on the undercarriage.

15-inch Idler Wheel (PT-80) Service

Procedure to remove and install the 15-inch idler wheel.

10-inch & 15-inch Wheels (PT-70) Service

Procedure to remove and install 10-inch and 15-inch wheels.

Lift-Arm Components Service

Personal Safety for Lift-Arm Components

Safety warnings for working on lift-arm components.

Lift Cylinder Service

Procedure to remove and install the lift cylinder.

Bucket/Tilt Cylinder Service

Procedure to remove and install the bucket/tilt cylinder.

Quick Attach System Service

Personal Safety for Quick Attach

Safety warnings for working on the quick attach system.

Hydraulic Component Service Procedures

Personal Safety for Hydraulic Components

Safety warnings for servicing hydraulic components.

Hydraulic Cylinder Service

Procedure for disassembling and assembling hydraulic cylinders.

Lift Arm Control Valve Service

Procedure for disassembling and assembling the lift arm control valve.

Drive Motor (Brake Portion) Service

Procedure for disassembling and assembling the drive motor brake portion.

Drive Motor (Motor Portion) Service

Procedure for disassembling and assembling the drive motor motor portion.

Drive Pump Disassembly and Assembly

Procedure for drive pump disassembly and assembly.

Hydraulic Pressure and Flow Testing

Personal Safety During Hydraulic Testing

Safety warnings for hydraulic testing.

Charge Pressure Check and Adjustment

Procedure to check and adjust charge pressure.

Auxiliary Pressure Check and Adjustment

Procedure to check and adjust auxiliary hydraulic pressures.

Lift Arm Pressure Check

Procedure to check lift arm hydraulic pressures.

Drive Pressure Check

Procedure to check drive hydraulic pressures.

Troubleshooting Guide

Personal Safety During Troubleshooting

Safety warnings for troubleshooting.

Troubleshooting: Machine Will Not Crank

Possible causes and solutions for a machine that won't crank.

Troubleshooting: Cranks But Won't Start

Possible causes and solutions for a machine that cranks but won't start.

Troubleshooting: Hydraulics Not Operating

Possible causes and solutions for hydraulic system failure.

Troubleshooting: Tracks Not Moving

Possible causes for tracks not moving while controls work.

Troubleshooting: Lift Arms Not Moving

Possible causes for lift arms not moving while tracks work.

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