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PRATT Industries TRUSS - User Manual

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OWNER/OPERATOR MANUAL
Advanced Design Intermodal Equipment
* TRUSS TRAILERS *
*
LUMBER DUMPER TRAILERS *
Service Notes:
This operations manual describes the basic operations and maintenance procedures for PRATT trailer/chassis.
The information contained in this manual was current at the time of printing and is subject to change without notice or liability.
You must follow your company safety procedures when you service or repair equipment. Be sure you understand all the procedures and
instructions before you begin work on the unit.

Table of Contents

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PRATT Industries TRUSS Specifications

General IconGeneral
BrandPRATT Industries
ModelTRUSS
CategoryUtility Vehicle
LanguageEnglish

Summary

OWNER;OPERATOR MANUAL

Operator Instructions

Normal Trailer Use

PRATT Warranty Coverage

Sample Warranty Details

Details the specific terms and conditions of the PRATT trailer sample warranty.

Operation of Rollerbed Trailer

Hydraulic Neck System Operation

Covers the hydraulic neck assembly, its controls, and operation for lifting/lowering the trailer front end.

Trailer Expansion and Unloading Procedures

Procedures for expanding the trailer and initial steps for unloading, including slider bogey operation.

Unloading in Difficult Conditions

Detailed steps for trailer unloading and guidance for operating in challenging job site environments.

Self-Adjusting Slack Adjuster

Operation, Troubleshooting, and Checks

Explains slack adjuster function, common brake issues, and how to perform operational checks.

Maintenance, Lubrication, and Inspection

Outlines routine maintenance, lubrication intervals, and inspection points for the slack adjuster and brake components.

Coupling and Uncoupling Procedures

Coupling Tractor-Semi Trailers

Step-by-step guide for safely coupling a tractor to a semi-trailer, including pre-coupling inspections.

Uncoupling Tractor-Semitrailers

Step-by-step guide for safely uncoupling a tractor from a semi-trailer, covering securing the trailer and disconnecting lines.

Trailer Maintenance Procedures

Kingpin, Fifth Wheel, and Impact Guards

Inspection and maintenance for the kingpin, fifth wheel area, and rear impact guards.

Wheel and Rim Care

Guidance on inspecting and maintaining wheels and rims, including spoke wheel installation and torque.

Hub Installation and Maintenance

Instructions for mounting and maintaining disc wheel hubs, including torque values and common hub problems.

Tire Maintenance

Inflation Pressure and Tire Inspection

Importance of proper tire inflation and regular inspection for damage and wear.

Driving Practices and Tire Care

Recommendations on driving speeds, load limits, tire balancing, rotation, and storage for optimal tire life.

Trailer Axle Maintenance

Wheel End Component Disassembly and Preparation

Steps for disassembling wheel end components and preparing parts for assembly, with safety notes.

Wheel Bearing Adjustment and Axle Alignment

Procedures for adjusting wheel bearings and checking/correcting axle alignment for optimal trailer performance.

Suspension Maintenance

Spring Maintenance

Covers care for leaf springs, including V-bolt retorquing, checking for broken leaves, and proper replacement.

Air Ride Suspension Adjustment

Air ride suspension maintenance like ride height adjustment and height control valve operation.

Air Brake Maintenance

System Component Inspection and Maintenance

Inspection of air brake system components such as reservoirs, gladhands, lines, chambers, valves, and lining.

Hydraulic and Lighting Systems Maintenance

Hydraulic System Maintenance

Covers maintenance of telescopic cylinders, sleeves, fittings, hoses, and pipes for the hydraulic system.

Lighting System Maintenance

Guidance on maintaining trailer lights and wiring, including cleaning, connections, and unit security.

Lubrication Procedures

Component Lubrication Points

Details on lubricating wheel bearings, landing gear, brake camshafts, shoes, rollers, and suspension components.

Hydraulic Oil and Maintenance Schedule

Checking hydraulic oil condition and level, oil recommendations, and scheduled maintenance intervals.

Troubleshooting Trailer Service

Spring Parking Brakes and General Brake Issues

Identifies common causes and remedies for insufficient service brake application, spring brake issues, and general brake problems.

ABS, Wheels, Tires, and Landing Gear Troubleshooting

Covers ABS fault codes, tire wear issues, and problems with landing gear operation.

Appendix A: Maintenance Record