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TrailMax TD-40-T - User Manual

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TD-40-T
®
Table of Contents
Section 1. Operation .................................................................................... 3
1.0 Introduction .......................................................................... 3
1.1 Purpose ............................................................................... 3
1.2 Rating .................................................................................. 3
1.3 Design and Safety Factors .................................................. 4
1.4 Vehicle Load and Handling Limits ....................................... 4
1.5 Alert Symbols ...................................................................... 7
1.6 Uncaging Air Brakes ............................................................ 8
1.7 Reporting Safety Defects ................................................... 10
1.8 Pre-Trip Inspection ............................................................ 11
1.9 Hook-Up Procedures ......................................................... 12
1.10 Loading and Unloading ..................................................... 13
Trailers With Ramps ........................................................ 14
Trailers With Tilt Decks ..................................................... 14
Securing Loads With Chains ............................................ 15
Section 2. Maintenance .............................................................................. 17
2.0 Periodic Maintenance......................................................... 17
2.1 Structural Components ....................................................... 18
Sub-Frame ....................................................................... 18
Deck ................................................................................ 18
2.2 Sub-Assembly Components ............................................... 18
Drawbar Eye .................................................................... 18
Binkley Jack ..................................................................... 19
Cushion Cylinder .............................................................. 19
Deck Latch ....................................................................... 19
Deck Hinge Assembly ...................................................... 19
2.3 Rear Impact Guard (RIG) .................................................... 20
2.4 Running Gear ..................................................................... 21
Suspension ...................................................................... 21
Axle Alignment .................................................................. 23
Axle End Component Disassembly ................................... 23
Hub Inspection .................................................................. 23
Broken or Damaged Studs ............................................... 23
Brake Drum Inspection ..................................................... 24
Brake Drum Troubleshooting Chart ................................... 25
Brake Drum Troubleshooting Chart (continued) ................. 26
Axle End Component Cleaning and Inspection .................. 27
Axle End Component Assembly ........................................ 27
Wheel Bearing Adjustment ................................................ 27
Table of Contents
Rev. F 06/01/05

Table of Contents

Questions and Answers

Summary

Section 1. Operation

1.0 Introduction

Overview of trailer operational characteristics, limits, and safe driving practices.

1.1 Purpose

Explains factors affecting trailer control and stability, emphasizing manual comprehension for safe operation.

1.2 Rating

Defines Gross Axle Weight Rating (GAWR) and Gross Vehicle Weight Rating (GVWR).

1.3 Design and Safety Factors

Details safety factors in construction and load distribution types (distributed vs. concentrated).

1.4 Vehicle Load and Handling Limits

Discusses how load weight, placement, and vehicle dynamics affect handling and rollover risk.

1.5 Alert Symbols

Explains the meaning and usage of safety alert symbols like DANGER, WARNING, and CAUTION.

1.6 Uncaging Air Brakes

Procedure for removing spring brake release tools to enable trailer movement.

1.7 Reporting Safety Defects

Guidance on reporting vehicle defects to NHTSA and Gem State Mfg.

1.8 Pre-Trip Inspection

Checklist for essential pre-trip inspections of trailer structure, hitch, tires, and fasteners.

1.9 Hook-Up Procedures

Steps for safely connecting the trailer to the tow vehicle, including electrical and brake connections.

1.10 Loading and Unloading

Guidelines for safe loading practices, emphasizing weight distribution and securing loads.

Trailers With Ramps

Adjusting and using ramps for loading equipment onto tilt decks.

Trailers With Tilt Decks

Procedures for operating tilt decks, including latching and loading/unloading.

Securing Loads With Chains

Instructions on proper chain angles for securing loads on the trailer.

Section 2. Maintenance

2.0 Periodic Maintenance

Schedule for maintenance tasks based on mileage (break-in, quarterly, semi-annually, annually) and special conditions.

2.1 Structural Components

Maintenance for sub-frame and tilt deck, focusing on cleaning and inspection.

2.2 Sub-Assembly Components

Maintenance for Drawbar Eye, including checking fasteners and lubrication.

Binkley Jack

Procedure for lubricating the Binkley jack every six months.

Cushion Cylinder

Guidance on changing fluid in the cushion cylinder for tilt decks.

Deck Latch

Maintenance for the deck latch assembly, including adjustment for rattles.

Deck Hinge Assembly

Inspection and lubrication of the deck hinge assembly.

2.3 Rear Impact Guard (RIG) Assembly

Inspection of the RIG system after an impact, checking crush blocks and other components.

2.4 Running Gear

Suspension maintenance, including initial checks, fastener torque, and alignment.

Axle Alignment

Procedures for verifying and adjusting axle alignment using specific measurements.

Axle End Component Disassembly

Reference to Meritor manual for disassembly of axle end components.

Hub Inspection

Guidelines for cleaning and inspecting wheel hubs for damage.

Broken or Damaged Studs

Procedures for replacing wheel studs based on the number of damaged studs.

Brake Drum Inspection

Checks for brake drum suitability, including surface condition, diameter, and mounting.

Brake Drum Troubleshooting Chart

Diagnosing brake drum problems and their remedies.

Brake Drum Troubleshooting Chart (continued)

Further troubleshooting for brake drum issues.

Axle End Component Cleaning and Inspection

Reference to manual for cleaning and inspection of axle end components.

Axle End Component Assembly

Reference to manual for assembly of axle end components.

Wheel Bearing Adjustment

Reference to manual for wheel bearing adjustment procedures.

Wheel Bearing Lubrication

Reference to manual for wheel bearing lubrication.

2.5 Wheels and Tires

Guidelines for inspecting and replacing wheels and tires.

Wheel Torquing Procedures

Step-by-step instructions for correctly torquing wheel nuts during installation.

Tires

Selecting and mounting tires, matching rim size, contour, and load capacity.

Inflation Pressure

Correct tire inflation pressure (125 psi) and its importance for tire life.

Tire Wear Diagnostic Chart

Chart correlating tire wear patterns to causes and corrective actions.

2.6 Electrical

Maintenance for trailer electrical harnesses, lights, and plugs.

2.7 Brake System

Overview of air brake system, ABS, and automatic slack adjusters.

Preventive Maintenance

Schedule for checking foundation brakes and related components.

Measure the applied stroke

Procedure to measure brake chamber applied stroke to check slack adjuster function.

Measure the free stroke

Procedure to measure brake free stroke for proper slack adjuster operation.

Manual Brake (Free Stroke) Adjustment

Steps for disengaging pawl and adjusting manual brake free stroke.

Slack Adjuster Function Test

Procedure for testing slack adjuster function using a torque wrench.

Brake Lubrication

Schedule and procedure for lubricating the brake system with lithium base grease.

Section 3. Parts

3.1 Structural Components

Parts list and diagrams for the sub-frame assembly.

Deck Assemblies

Parts list and diagrams for deck assemblies, including lumber.

3.2 Major Sub-Assemblies

Parts list and diagram for the Drawbar Eye assembly.

Binkley 2-Speed Jack

Parts list and diagram for the Binkley 2-Speed Jack.

Cushion Cylinder

Parts list and diagram for the Cushion Cylinder.

Deck Latch Assembly

Parts list and diagrams for the Upper and Lower Deck Latch Assemblies.

Deck Hinge Assembly

Parts list and diagram for the Deck Hinge Assembly.

3.3 Rear Impact Guard (RIG) Assembly

Parts list and diagram for the Rear Impact Guard (RIG) Assembly.

3.4 Running Gear

Parts list and diagram for suspension components, including axles and springs.

Axle End Components, 17.5

Parts list for axle end components, including camshafts and slack adjusters.

Brake Components, 17.5

Parts list for brake components, including shoes, rollers, and springs.

Bearing and Hub Components, 17.5

Parts list for bearing and hub components, including seals, cups, cones, and drums.

3.5 Wheels and Tires

Parts list for wheels and tires, including sizes and nuts.

3.6 Electrical

Parts list for electrical harnesses and lights, including lamps and grommets.

Electrical Plug

Parts list and diagram for the seven-way electrical plug and its wiring.

Air Brake System

Parts list for air brake system components, including hoses, elbows, and air tank.

Section 4. Warranty Claim Procedure

Warranty Claim Procedure

Steps for initiating and processing a warranty claim, including part identification and return.

TrailMax TD-40-T Specifications

General IconGeneral
BrandTrailMax
ModelTD-40-T
CategoryUtility Vehicle
LanguageEnglish

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