TB 048 - Engine Brake "Jake Brake"

Question 1

The Jacobs Engine Brake is a __________ engine attachment that, when energized, alters the engine exhaust valve operation which converts the diesel engine into an air compressor. This is accomplished by prematurely opening the exhaust valves near the top of the compression stroke releasing the compression pressure to exhaust

Answer 1

Hydraulic

Question 2

Jacobs Break will activate or deactivate in less than ____ of a second.

Answer 2

1/4

Question 3

Retarding Position:
1) _______

Answer 3

Minimum

Question 4

Retarding Position:
2) _______

Answer 4

Moderate

Question 5

Retarding Position:
3) _______

Answer 5

Maximum

Question 6

USAGE GUIDE LIGHT TRAFFIC CONDITION - _______ position

Answer 6

Minimum

Question 7

Engine Break “Jake Brake”
MEDIUM TRAFFIC CONDITION - _______ to _______ position

Answer 7

Minimum to Moderate

Question 8

HEAVY TRAFFIC CONDITION AND EMERGENCY RESPONSES - _________ position

Answer 8

Maximum

Question 9

DO NOT ENGAGE THE JAKE BRAKE ON _____ STREETS

Answer 9

WET

Question 10

DO NOT ENGAGE THE JAKE BRAKE DURING PUMPING OR _______ OPERATIONS

Answer 10

AERIAL

Question 11

DO NOT ENGAGE JAKE BRAKE WHEN _________ GEARS

Answer 11

UPSHIFTING

Question 12

DO NOT RIDE THE _______ PEDAL TO DISENGAGE THE JAKE BRAKE

Answer 12

CLUTCH

Question 13

DO NOT ENGAGE THE JAKE BRAKE AT ______ OR ______ ENGINE SPEED

Answer 13

IDLE
LOW

Question 14

The Jake Brake switches used on an apparatus equipped with an automatic transmission and a Detroit Diesel engine, will be a single, ___ position switch, off-low- high, mounted on the dash board

Answer 14

3