Brake Camshaft / S-Cam Spline Diameter: 1.50 in.Peterbilt 389 / Cummins ISX, Paccar MX-13 etc.Kenworth W900 / Paccar MX-13, Cummins ISX etc.Kenworth T800 / Cummins ISX Engine FAQs.Kenworth T680 / Paccar MX-13, Cummins ISX etc.Freightliner Cascadia / Detroit DD13, DD15, DD16 & Cummins ISX etc.Volvo VNL Semi Truck & Volvo D13, Cummins ISX etc.HVAC (Heating, Ventilation and Air Conditioning) System.Drivetrain - Transmission, Clutch, Differential, Driveline, Wheel End / Hub.Brakes, Air & ABS (Anti-Lock Brake System).
This will help increase their longevity by reducing wear. Make sure that after application, repeat the greasing procedure after every 25,000 miles have been driven using the same slack adjusters. Right after installation and adjusting the angles, apply generous amounts of grease to the slack adjuster mechanism. Apply Anti-Seize type lubricant to camshaft splines. Do not tighten anchor bracket fasteners at this time. 5' and 5-1/2' adjuster arm lengths utilize the shorter hole location while 6' and 6-1/2' length adjusters utilize the longer hole locations. It is recommended that slack adjusters be well lubed up at all times. determined by the length of adjuster arm. Set all the slack adjusters to this angle. This angle even on brake application should only be slightly higher than 90 degrees. Your friend must apply the brake while you check the angle that the slack adjuster arm and the actuator push rod are making. Now, after your installation is done, you have to check the adjustment of the slack adjuster.
#Slack adjuster on semi install#
Line the yoke pin hole with the arm hole and install the yoke pin and the cotter pin into the mechanism. The adjustment screw on the slack adjuster can be rotated. These are parts of the assembly of the slack adjuster. Make sure that it is a tight fit as it has to hold the slack adjuster into place at all times during brake operation. Step 3 – Install Retaining MechanismĪfter you have installed the slack adjuster onto the brake cam shaft, re-install the retaining mechanism on the end of the brake cam shaft. Make sure that the adjustment screw of the slack adjuster is only so tight so that there’s room for you to add grease. This angle should be maintained when the brakes are not applied. The trick is to make sure that the slack adjuster arm and its actuator push rod that helps close the adjuster on application of brakes is at a 90 degree angle. When it has slid on completely, rotate the slack adjuster until it is secured into place. To install the slack adjuster, first slide the adjuster on to the spline end of the brake cam shaft. Use the mechanic’s kit for appropriate tools to remove the mechanism. To install the slack adjuster, first remove the retaining mechanism from the brake’s cam shaft. It is installed at the end of the brake cam shaft. Your vehicle’s brakes come with a retaining mechanism.
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