Trinity EagleBed Manual

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Thank You for Purchasing a Trinity EagleBed

Please refer to the Table of Contents to locate the needed information. If you have questions about

the truck bed which are not covered in this manual, please call us at (208) 336-3666 or toll free at

(800) 235-6577. Our hours of operation are Monday through Friday, 8:00 a.m. to 5:00 p.m., MST.

This manual is written to cover many versions of EagleBed truck bed. Because of this, some

sections are not applicable to your truck bed. Thoroughly review the manual and any attached

supplements to determine what is applicable to your truck bed.

The purpose of this manual is to address:

• Safety

• Warranty Information

• Service and Maintenance

• General Care and Use

• Conveyor Operating Instructions

• Rear Door Operating Instructions

• General Support Information

May 2022

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Summary of Contents for Trinity EagleBed

Page 1 (800) 235-6577. Our hours of operation are Monday through Friday, 8:00 a.m. to 5:00 p.m., MST. This manual is written to cover many versions of EagleBed truck bed. Because of this, some sections are not applicable to your truck bed. Thoroughly review the manual and any attached supplements to determine what is applicable to your truck bed.
Page 2 May 2022 Registration Box Notice: Contents of this manual are subject to change without notice! This is page was intentionally left blank. ©2022-2023 Trinity Trailer Mfg., Inc...
Page 3: Table Of Contents
Tensioning Continuous Belt Bearings and Pulleys Planetary Gearbox Lubrication of the Door(s) Door Operations Opening the Upper Rear Door Closing the Upper Rear Door Lower Rear Door Operations Side Door Operations Coating Care and Corrosion Prevention ©2022-2023 Trinity Trailer Mfg., Inc...
Page 4 Drive and Hydraulic Systems Supplying Power to the Electric Motor Unloading the System General Door Safety General Conveyor Safety Unload Operating Procedures Electric Motor-Driven Hydraulic System PTO Driven Hydraulic System Operate the Conveyor Wiring Diagram ©2022-2023 Trinity Trailer Mfg., Inc...
Page 5: Limitation Of Warranties
Trinity is not responsible for any time or income that you lose, due to a Warranty Claim. Trinity also is not responsible for cost of rental vehicles, fuel, telephone, travel, meals, or lodging, or the loss of revenue.
Page 6 Trinity disclaims any responsibility for any loss of time or use of the parts or trailers in which the parts are installed, transportation, cargo loss, or other incidental or consequential damage.
Page 7: Important Safety Information
13. The truck bed has been designed and built with original Trinity Trailer Mfg., Inc. parts only. Only original Trinity Trailer Mfg., Inc. parts must be used for maintenance or repair.
Page 8: Warning Symbols Used In This Manual
If the labels should become illegible or lose their color, it is the owner’s responsibility to replace them. Contact our customer service department at (800) 235-6577 to order replacements. ©2022-2023 Trinity Trailer Mfg., Inc...
Page 9: Inspection, Service And Maintenance
• Check oil level in planetary gear on conveyor hydraulic and add if necessary • Check truck to truck bed mounting bolts for tightness • Check rubber strip between the truck bed and truck frame for movement ©2022-2023 Trinity Trailer Mfg., Inc...
Page 10: Once A Year
Before installing the truck bed: • Make certain that the width of the truck bed frame rails and the width of your truck frame rails are compatible. If they are not, please call Trinity Trailer Mfg., Inc. at 1-800-235-6577 for installation assistance.
Page 11: Mounting Brackets & Bolts
Because of the variations in truck beds/trucks, the required 5/8” bolts (Grade 5 minimum), washers and nyloc nuts used to connect these components are not supplied and must be purchased in order to correctly mount the truck bed to the truck frame. ©2022-2023 Trinity Trailer Mfg., Inc...
Page 12: Mounting The Truck Bed To An Open Frame
“L” bracket to the swivel on the bottom clamp. 4) When the mount is in place, as shown, tighten all nuts and bolts, including the pivot bolt. Figure 3- Completed Install ©2022-2023 Trinity Trailer Mfg., Inc...
Page 13: Mounting The Truck Bed To A Box Frame
Secure with a flat washer on each side of the bracket, and secure with a nyloc nut. 7) Tighten all bolts sufficiently tight Figure 6- Drill guide to complete Closed Frame that the assembly does not shift. Mount. ©2022-2023 Trinity Trailer Mfg., Inc...
Page 14: Hydraulic And Electrical Connections
No PTO hoses or pump are supplied with customer installed truck beds because of the variation in truck bed mounting. These parts are available for purchase and installation through the Trinity Service department. It is strongly advised that if your PTO system does not have a pressure relief valve and filter that these items be installed before using your truck bed to ensure system protection.
Page 15: Electrical Connections
(if equipped) is located inside the truck cab. This unit is designed for use by a single operator. OPERATING INSTRUCTIONS 1. Make sure area is clear when backing up to equipment. Make sure discharge tail fins are properly aligned with other equipment. ©2022-2023 Trinity Trailer Mfg., Inc...
Page 16: Pto
Figure 8- Rear PTO Controls 1. Engage PTO. 2. Conveyor operation is now controlled with the flow control valve located on the rear tail fin. 3. After load is discharged return the flow control handle to the off position. ©2022-2023 Trinity Trailer Mfg., Inc...
Page 17: Electric/Pto Option
4. To operate the conveyor, slowly move the flow control valve handle located on the rear tail fin until the desired speed is obtained. 5. When load has fully discharged, close the flow control handle, turn off the power switch and disconnect pigtail from the power source. ©2022-2023 Trinity Trailer Mfg., Inc...
Page 18: Adjusting And Lubricating The Conveyor System
• Under daily use, daily inspection is required. Lubricate as needed. • Under all other uses, weekly inspection should be sufficient. Lubricate as needed. • Inspect pulleys for excessive wear or damage. ©2022-2023 Trinity Trailer Mfg., Inc...
Page 19: Planetary Gearbox
Door hinges and bearings must be lubricated regularly, especially if the truck bed has been operated or stored for an extended period of time in a humid or wet environment. Corrosion can lead to the failure of door hinges if they are not maintained properly. As a ©2022-2023 Trinity Trailer Mfg., Inc...
Page 20: Door Operations
Untie the draw rope. c) Gently lower the door using the draw rope to keep it from falling rapidly. Figure 12- Rear Upper Door Diagram Figure 13- Lower Door Switch ©2022-2023 Trinity Trailer Mfg., Inc...
Page 21: Lower Rear Door Operations
The best way to preserve the finish on your truck bed and help prevent corrosion is to wash it regularly, especially after it has been used around road salt or other ice melting ©2022-2023 Trinity Trailer Mfg., Inc...
Page 22: Stainless Steel Bodies
Under no circumstances should you get into the truck bed with the conveyor system running or enabled (See Figure 15). For your safety, completely disable the hydraulic system before entering the truck bed (See Figure 16). ©2022-2023 Trinity Trailer Mfg., Inc...
Page 23: Hydraulic System Servicing
Contact our parts department toll free at 800-235-6577 to order a replacement filter (Figure 18). IF THE TRACTOR IS NOT EQUIPPED WITH A PRESSURE VALVE, A CLOGGED FILTER CAN CAUSE AN OVERPRESSURE SITUATION THAT CAN DAMAGE HYDRAULIC HOSES AND PUMPS ©2022-2023 Trinity Trailer Mfg., Inc...
Page 24 • Small burrs or scratches should be removed from the shaft using a honing stone or emery cloth before use of the cylinder. Figure 20- Hydraulic Leak warning. Figure 19- Disable Hydraulics before Maintenance Label ©2022-2023 Trinity Trailer Mfg., Inc...
Page 25: Hydraulic Lines And Fittings
The lengths given in Table 1 are the maximum recommended length for single-phase 220 VAC with a 2% maximum voltage drop. Consult a qualified electrician if your truck bed uses a motor other than a single-phase 7-1/2 HP motor for proper cord sizes and lengths. ©2022-2023 Trinity Trailer Mfg., Inc...
Page 26: Unloading The System
The conveyor system on your truck bed can be very dangerous if it is not operated safely. Figures 25 through 27 show decals that were placed on your truck bed when it was built. Read and understand each of them before operating the conveyor system. ©2022-2023 Trinity Trailer Mfg., Inc...
Page 27: Unload Operating Procedures
Plug the electric motor into an approved receptacle which is appropriately sized and has the necessary safety mechanisms to properly operate the motor. iv. Switch the electric motor on. ©2022-2023 Trinity Trailer Mfg., Inc...
Page 28: Electric Motor-Driven Hydraulic System
3) Reduce the engine rpm on the tractor to idle before trying to control the conveyor speed with the flow control valve. Electric 1) Open rear door using appropriate procedure above. 2) Adjust the flow control valve (Figure 9, Page 13) to obtain the desired conveyor speed ©2022-2023 Trinity Trailer Mfg., Inc...
Page 29 If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administrations (NHTSA) in addition to notifying Trinity Trailer Mfg., Inc. If NHTSA receives similar complaints, it may open an investigation, and if it finds that a safety defect exists in a group of vehicles, it may order a recall and remedy campaign.