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Summary of Contents for TIE DOWN 750E
- Page 1 Model 750E Brake Actuator...
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Page 2: Table Of Contents
Vehicle Wiring - Free Backing Brake Solenoid Actuator Maintenance Warnings Bleeding Instructions Part Diagrams and Replacement Parts 9-12 Limited Warranty 13-14 TIE DOWN ENGINEERING 255 Villanova Drive SW, Atlanta, GA 30336 (404) 344-0000 • Fax (404) 349-0401 © 2014 TIE DOWN Inc., ALL RIGHTS RESERVED... - Page 3 IMPORTANT: READ AND UNDERSTAND THE ENTIRE INSTRUCTION/ASSEMBLY PROCEDURE BEFORE INSTALLING YOUR BRAKES AND ACTUATOR. The Model 750E works by the “surge” or “push” of the trailer toward the tow vehicle. This automatically synchronizes the trailer brakes with the tow vehicle axle brakes. When the trailer pushes against the tow vehicle, the actuator telescopes together and applies the force to the master cylinder, supplying hydraulic pressure to the brakes.
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Page 4: Hitching The Trailer
1. The vehicle, towing hitch and ball must have a rating equal to or greater than trailer G.V.W.R.. 2. Model 750E will accept 2” or 50mm trailer hitch balls only. Trailer balls larger than 2.00” (50mm) or out of round will not fit the coupler or may result in coupler failure. - Page 5 DANGER: Tongue weight beyond rating limits will interfere with performance of actuator, and braking system, and the tow vehicle. 9. The actuator is designed for use with Free-Backing trailer brakes. To block braking action, (in order to back up) with other types of brakes including disc brakes, use an electric solenoid.
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Page 6: Warnings
Braking and Trailering Warnings WARNING Actuator and brakes should always be flushed with fresh water after using trailer in corrosive conditions. This includes salt water, fertilizers and other corrosive materials. Before storing trailer remove brakes and clean thoroughly. It is also wise to repack the bearings at the same time. - Page 7 PROPERTY DAMAGE, INJURY OR DEATH. WARNING Tie Down actuators and brakes are designed to use DOT 3 (or 4) brake fluid. Do not use of DOT 5 brake fluid. Use of DOT 5 brake fluid will cause damage to internal parts that can result in loss of brake power.
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Page 8: Bleeding Instructions
Bleeding Instructions To bleed master cylinder and brakes, install bleeder hose on first wheel cylinder to be bled; if tandem axle trailer, bleed closest axle first, and the closest brake on that axle first. Use a loose end of hose from the bleeder valve submerged in a glass container of brake fluid to observe bubbling (hose must be submerged into clean brake fluid to keep air from traveling back into the brake cylinder). - Page 9 FRONT FRONT Push the screwdriver forward and back to pump the master cylinder. (See 2B). The bleeding operation for that brake is complete when bubbling stops. Be sure to tighten bleeder screw securely. Each wheel cylinder must be bleed until all air is out of the lines.
- Page 10 Model 750E/750/700 Parts Diagram Model 750E - 7,500 lbs. Capacity Part #70521 Disc Brake Part #70522 Drum Brake 1 & 6 Model 750 - 7,500 lbs. Capacity Part #70501 Disc Brake Part #70502 Drum Brake Model 700 7,000 lbs. Capacity...
- Page 11 Model 750E/750/700 Replacement Parts List Model 750E Model 700 & 750 “Enclosed” “Open” Master Cylinder Master Cylinder Item # Part # Description 70461K Disc Brake Master Cylinder Kit “Open Model” with gasket, Includes: master cylinder and cap, 4 mounting screws with washers, 2 rollers with matching nuts and bolts 70461KD Drum Brake Master Cylinder Kit “Open Model”...
- Page 12 Classic Model 70 Replacement Parts 1 & 6 Page 11...
- Page 13 Classic Model 70 Replacement Parts List Model 70 - 7,000 lbs. Capacity Part #47204 Disc Brake - Lever Latch Part #47213 Disc Brake - Lever Latch Part #47205 Disc Brake - Lever Latch Part #47203 Disc Brake - Lever Latch Part #47202 Drum Brake - Lever Latch Model 70 “Open”...
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Page 14: Limited Warranty
TIE DOWN quotation, acknowledgment, sales literature, specification sheet or installation instruction and service manual (“applicable literature”). • Use of product in any other application other than those described in TIE DOWN product information materials. If any TIE DOWN products are found upon TIE DOWNS examination to have been defective when supplied, TIE DOWN will either: credit the purchaser’s account for the... - Page 15 No representative has authority to make any representation, promise or agreement except as stated in this Limited Warranty. TIE DOWN reserves the right to make design and other changes upon its products without any obligation to install the same on any previously sold or delivered products.
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Page 16: Tie Down Engineering
Model 750E Brake Actuator Owners Manual TIE DOWN ENGINEERING www.tiedown.com 255 Villanova Drive SW, Atlanta, GA 30336 (404) 344-0000 • Fax (404) 349-0401 © 2014 TIE DOWN Inc., ALL RIGHTS RESERVED Instruction #08164-2...
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