Engine Brakes and Retarders, and Interaxel Differential Lock Control.

Question 1

What’s the function of Engine Brakes and Retarders?

Answer 1

Slow the rig without using service brake system. Their function is to keep rig operating at reasonable speed.

Question 2

What are the 4 types of Auxiliary brakes and retarders?

Answer 2

Engine Brake, Exhaust Brake, Hydraulic Retarder, Electric Retarder

Question 3

What is an Engine Brake?

Answer 3

used most widely used. Turns engine into compressor. Operated by hand switch or automatically.

Question 4

What is an Exhaust Brake?

Answer 4

simplest form of retarder. Works by keeping exhaust gases from escaping. The exhaust brake builds back pressure in the engine. Operated by hand switch or automatically.

Question 5

What is a Hydraulic Retarder?

Answer 5

drive line retarder. Mounted on the drive line between the engine and flywheel or transmission and drive axles. Operated by hand switch or automatically.

Question 6

What is an Electric Retarder?

Answer 6

uses electromagnetics to slow rotors attached to the drive train. On/off switch in cab.

Question 7

Should you engage/disengage Interaxle Differential Lock Control while wheels are spinning?

Answer 7

NEVER engage or disengage while wheels are spinning

Question 8

What is an Interaxle Differential Lock Control?

Answer 8

Locks and unlocks rear tandem axels. When Unlocked, they turn independently of one another. When Locked, power is equalized to keep the wheels without traction from spinning. (for slippery roads)