Training Bulletin 048- Engine Brake “jake Brake” Flashcards
The jacobs engine brake reacts quickly. It will activate or deactivate in less than ___ of a second.
1/4 of a second
The Jake Brake switches on an apparatus equipped with an automatic transmission and a Cummins Diesel engine, will be on ON/OFF switch mounted on the dash board. A ____ position switch controlling the amount of retarding power desired,
3 ( high, medium, low )
With 1 on/off switch
Total of 4 positions
What deactivates the jake brake from retarding?
Depressing the throttle pedal
The Jake Brake switches used on an apparatus equipped with an automatic transmission and a Detroit Diesel engine, will be a single, ____ position switch, ___, ___, ___ mounted on the dash board.
3 position
Off, low, high
USAGE GUIDE : LIGHT TRAFFIC CONDITION use what position
Minimum Jake Brake switch setting
USAGE GUIDE : MEDIUM TRAFFIC CONDITION use what position?
Minimum to moderate Jake Brake switch setting
USAGE GUIDE : HEAVY TRAFFIC CONDITION AND EMERGENCY RESPONSES use what position?
Maximum Jake Brake switch setting
DO NOT ENGAGE THE JAKE BRAKE ON WET STREETS.
DO NOT ENGAGE THE JAKE BRAKE DURING PUMPING OR AERIAL OPERATIONS.
DO NOT ENGAGE JAKE BRAKE WHEN UPSHIFTING GEARS.
DO NOT ENGAGE THE JAKE BRAKE AT IDLE OR LOW ENGINE SPEED.