Tie-down 125 Alien Actuator Manuel d'utilisateur télécharger pdf (Page 1)

TIE DOWN ENGINEERING • 255 Villanova Drive SW • Atlanta, GA 30336

www.tiedown.com (404) 344-0000 Fax (404) 349-0401

Installation Instructions and Service Manual

“Alien” Model 125

Actuator for

Trailer Brakes

12,500 lbs Capacity

Part #49127 - Drum Brake Ready

Part #49125 - Disc Brake Ready

W/Solenoid Installed

IMPORTANT: READ AND UNDERSTAND THE ENTIRE INSTRUCTION/ASSEMBLY PROCEDURE BEFORE INSTALLING YOUR BRAKES AND ACTUATOR.

The Model 125 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. The built in sealed and independent dampening shock absorber controls the

telescoping shock against the hitch.

Be sure to comply with regulations for brakes in your state. Brake laws sometimes are minimum standards and you may wish to add

additional brakes to your trailer to meet minimum Gross Vehicle Weight Ratings (GVWR).

Read your tow vehicle owner’s manual on towing capacity and other towing recommendations before installing brakes or this actuator.

The Model 125 Actuator is completely assembled and ready to bolt into place (Tongue sizes: 3”x4” & 3”x5”, 9 ga. min.).

1. Bolt the actuator to the tongue-using grade 5 bolts 5/8 inch in diameter, 4 inches long. Attachment strength should equal or exceed

1-1/2 times trailer G.V.W.R.

2. Hydraulic brake lines should be installed on the trailer as described in the installation manual supplied with the brakes. Note: Some disc

brakes require the use of flexible brake lines at the connection POINT on the brake caliper. Follow brake manufacturer instructions.

3. Use only DOT-3 brake fluid in the Model 125 actuator. Use a pressure type brake bleeder to bleed brakes. (This type of brake bleeder is

available at your local automotive parts supply store.) Follow manufacturer’s directions. Or, manually bleed the brakes using a

heavy-duty flat blade screwdriver inserted in the hole provided on the top of the actuator near the front. Insert the screwdriver and use

a pumping action to activate the master cylinder in order to bleed the brakes. See page 8 for more details.

4. To bleed master cylinder and brakes, install bleeder hose on first wheel cylinder to be bled; if tandem axle trailer, bleed farthest axle

first, and the farthest brake on that axle first. Use a loose end of hose from the bleeder valve submerged in a clear 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).

Loosen the bleeder screw located in the wheel cylinder one turn; the system is now open to the atmosphere. The bleeding operation for

that brake is complete when bubbling stops. Be sure to tighten bleeder screw securely. Each wheel cylinder must be bled until all air

is out of the lines. Replenish the brake fluid during the bleeding process so the level does not fall below half full level in the master

cylinder reservoir. When bleeding and testing is completed, make sure master cylinder is filled to approximately 3/8” below the top of

the reservoir and filler cap is securely in place.

5. Check with your state motor vehicle department for laws concerning minimum trailer brake requirements. Some states may require

brakes on all axles.

6. Road test trailer a short distance to activate the actuator several times. Check fluid level again. Remember, low brake fluid

levels will result in reduced braking or no braking at all.

7. When testing is completed, make sure master cylinder is filled to approximately 3/8” below the top of the reservoir and filler cap is

securely in place. Road test again to make sure brakes work properly.

120309,B962

Instruction #08099

1 2 3 4 5 6 7 8

Résumé du contenu

Page 1 - Trailer Brakes

TIE DOWN ENGINEERING • 255 Villanova Drive SW • Atlanta, GA 30336www.tiedown.com (404) 344-0000 Fax (404) 349-0401 Installation Instructions and Ser

Page 2 - Location

RATED CAPACITY: Maximum Actuator Capacity: 12,500 lbs. Gross Load; 1250 lbs. maximum tongue load; minimum tongue weight is 5% of GVWR.The ac

Page 3

WARNING - DISC BRAKE USEActuator models designed for disc brakes do not have a “check valve” installed. Check valves are required for use with drum b

Page 4 - Tongue Dril Hole Pattern

7 Item Part # Description Quantity 1 48836 Roller & Pin Kit 1 2 48839 E-Latch Kit (clip, spring and 2 screws) 1 3 48837 Coupler La

Page 5 - 3” x 5” Tube

7 Item Part # Description Quantity 1 48836 Roller & Pin Kit 1 2 48839 E-Latch Kit (clip, spring and 2 screws) 1 3 48837 Coupler La

Page 6

TIE DOWN ENGINEERING • 255 Villanova Drive SW • Atlanta, GA 30336www.tiedown.com (404) 344-0000 Fax (404) 349-0401 TIE DOWN ENGINEERING LIMITED ONE

Page 7

Bleeding Instructions for “Alien” Brake ActuatorTools needed:One Large flat blade screwdriverTwo Medium flat blade screwdriversDOT 3 brake fluidThe n

Page 8 - Releasing The Emergency Stop

TIE DOWN ENGINEERING • 255 Villanova Drive SW • Atlanta, GA 30336www.tiedown.com (404) 344-0000 Fax (404) 349-0401 WARNING:If the emergency stop bra

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