ABF test 3(Phase 2) Flashcards
Allows flow in one direction
One way check valve
Supports disc. Held by the hinge pin
Arm
Supports the arm and disc in the body
Hinge pin
Prevents the disc from jamming in the open position
Angle plug
To actuate, control and limit the travel of gate and manifold type valves electrically
Limitorque valve
Operates unit electrically
drive motor
Operates unit manually in case of motor or power failure
Hand wheel
Actuated the traveling nuts, rotates nut on the valve stem to lower or raise the valve stem
Drive sleeve and stem nut
Actuates torque switches during motor operation
Torque actuating shaft
Predertermined amount of torqued
Belleville spring
Two switches
Torque limit switches
Two switches, actuate upper and lower limit switches
Traveling nuts
3 switches, actuated by the upper traveling nur
Upper limit switches
Must be manually reset, de-energizes the drive motor at a predetermined overcurrent
Overload Relay
Enables the operator to remotely monitor pump and valve status, tank levels, filter/separators status, and the presence of JP-5 and water in fuel tanks
Purpose of tank level indicating and control system
Has voltage capable of causing death or serious injury
JP-5 control console
Used to preform all system functions on the control console.
Trackball
Used to communicate with the other control console systems
Keyboard
JP-5 stowage tanks
Underway replenishment
Controls and indicators (gives you remote control over these systems
Console control gives control over what equipment
Valves
Open
Close
Stop
Override
Pumps
Start
Stop
Acknowledge fault
Pulse radar technology to determine distance from the radar to the surface of a liquid. *Read in feet and inches
Radar tank level indicators
4 to 20 milliamps (mA)
Radar head outputs
Located on top of the radar head. Displayed in feet and inches
LCD display
Storage tanks and service tanks
Two major categories of JP-5 tanks
Tanks used for stowage of JP-5 suitable for issue to aircraft and auxiliary systems
Service tanks
Normally situated in two rows along the port and startboard side
Wing tanks
Located in the extreme bow (forward) of the ship
Peak tanks
Fitted with double screens, containing a flame arrestor, which penetrates the skin of the ship, and is open to the atmosphere
Air escape riser
Used for manually measuring the quantity of fuel in the tank and detecting water
Sounding tube
Prevents sounding bobs from damaging the tank bottom
Striker plate on bottom of tank
Indicates the amount of the liquid in the tank in gallons
Remote liquid level indicator
Manifolds max filling rate
500 gallons per minute
Personnel shall not enter tanks or voids for any purpose without permission from the GAS FREE ENGINEER
Safety of tanks
