TB 48 Jake Brake Flashcards
TB 48 Jake Brake
The jake brake increased performance, safety, versatility, and cost effectiveness.
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TB 48 Jake Brake
The jacobs engine brake is a hydraulic 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.
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TB 48 Jake Brake
How long does it take the the jake to activate or deactivate?
Less than 1/4 of a second.
TB 48 Jake Brake
On-off switch mounted on the gear shift lever. A three (3) position switch controlling the amount of retarding power desired, mounted on the dash board, and two (2) additional switches, one mounted on the clutch pedal and the other mounted on the throttle pedal. These switches de-activate the jake brake if either pedal is depressed.
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TB 48 Jake Brake
Engine should be fairly warm before engaging JAKE BRAKE. Engine preheater water temperature is sufficient
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TB 48 Jake Brake
When not to engage the jake brake.
- Do not engage the jake brake on wet streets.
- Do not engage the jake brake during pumping or aerial operations.
- Do not engage the jake brake when upshifting gears.
- do not ride the clutch pedal to disengage the jake brake.
- do not engage the jake brake at idle or low engine speed
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