Unit 2 Flashcards
How many rubber support blocks does the BAK-14 system have for supporting the pendant 2 inches above the runway surface?
Either 14 or 20
How does the BAK-14 support system pendant retract into the runway trough?
Pneumatic system
Which component of the BAK-14 support system aids in venting the pneumatic system?
Quick-exhaust valve
What is the purpose of the box heater in a BAK-15 support system?
Protect the air cylinder from freezing moisture
What houses the hydraulic power unit, sump pump, electrical panel, and heating resistors on a Type-H support system?
Motor drive pit
What is the function of the electric motor in the Type-H support system’s motor drive unit?
Drive the hydraulic fluid from the reservoir to the jack
In a Type-H support system, which component pulls the support arm and support block back into the lowered position when the ramp moves to the low spot?
Drawback cable
What controls the heaters in a Type-H support system?
Thermostats
If a Type-H support system is installed correctly, the support blocks will be approximately how many feet apart?
Eight
How fast does the Type-H support system retract or raise the pendant?
1.5 seconds
How far are the purchase tapes rotated in the clockwise direction before the tape is inserted into the rear sheaves of the lightweight fair lead beam?
90 degrees
What is the total number of stakes needed to install the lugweight fairlead beam in soil?
52
What is the desired reading on the manta ray load locker assembly when testing for security?
10,000 pounds
In the BAK-12 arresting system, the hydraulic pressure gauge is used for….?
Hydrostatic testing and synchronization
On the BAK-12 hydraulic system, what is used to maintain a light pressure on the brakes to keep the proper tension on the pendant while in the BATTERY position?
Static pressure