Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
26 Cards in this Set
- Front
- Back
Maintenance |
Keeping equipment or apparatus in the state of usefulness or readiness. |
|
Repair |
To restore or put together something that has become inoperable or out of place |
|
Commercial Driver's License (CDL) |
A driver's license that is issued to individuals who demonstrate competence inspecting and driving vehicles with a Gross Vehicle Rating of 26,001 pounds or more. |
|
Circle or Walk-Around Method |
An inspection method in which the driver or inspector starts at one point of the apparatus and continues in either a clockwise or counterclockwise Direction inspecting the entire apparatus |
|
Operational Readiness Inspection |
Inspecting apparatus and equipment on the apparatus to ensure that all equipment is in place, clean, and ready for service. |
|
Pretrial Road Worthiness Inspection |
A visual inspection of an apparatus to ensure the major components of the chassis are present and in proper working condition. |
|
Functional Check |
An inspection where a certain system or component of an apparatus is operated to ensure that it is functioning properly |
|
Gross Axle Weight Rating |
The maximum amount of weight that an axle system can safely carry. |
|
Load Management System |
A electrical monitoring system that will shed electrical load in a predetermined order if the chassis voltage begins to drop below a predetermined level |
|
Overload |
Operation of equipment or a conductor in excess of its rated ampacity; continuous overload may result in overheating that damages the equipment |
|
Load Sequencer |
Device in an electrical system that turns lights on at specified intervals, so that the start-up load for all of the devices does not occur at the same time |
|
Load Monitor |
Device that "watches" an electrical system for added loads that may threaten to overload the system |
|
Load Shedding |
When an overload condition occurs, the load monitor will shut down a less important electrical equipment to prevent the overload. |
|
Manual Shift Transmission |
A componenet of the power train that receives torque from the engine and converts it to rotation to the wheels. A clutch is used to disengage the transmission from the engine to allow the apparatus to start, stop, or change gears to maximize engine performance. |
|
Free Play |
Amount of travel the clutch has before it begins to disengage the engine from the transmission. |
|
Throw-Out Bearing |
The component used to push on the internal clutch fingers connected to the clutch pedal and when activated, disengage the clutch from the engine |
|
Steering Wheel Play |
In a steering wheel system, the amount of travel between turning the wheel and when the steering system moves. |
|
Hydraulic Braking Systems |
A braking system that uses a fluid in a closed system to pressurize wheel cylinders when activated. |
|
Antilock Braking Systems |
An electronic system that monitors wheel spin. When braking and a wheel are sensed to begin locking up, the brake on the wheel is temporarily released to prevent skidding. |
|
Air-Actuated Braking Systems |
A braking system that uses compressed air to hold off a spring break (parking brake) and applies air pressure to a service break for vehicle stopping. |
|
Air Brake Test |
A series of tests used to ensure the serviceability of an air braking system. Tests include air loss, air compressor build up, air warning and emergency parking brake activation. |
|
Slack Adjusters |
Devices used in an air brake system that connect between the activation pads and the brake pads that compensate for brake pad wear |
|
Tilt Cab |
A truck that uses a cab that lowers over the power train |
|
Diesel Particulate Filter (DPF) |
A device designed to remove diesel particulate matter or soot from the exhaust gas of a diesel engine |
|
Chassis Lubrication |
Applying grease and other lubricants to specific parts of a chassis to reduce wear, noise, and binding. |
|
Post Maintenance/Repair Inspection |
A specific inspection to an area of a chassis or apparatus to ensure that the unit is operating properly in accordance with the manufacturer's initial design. |