Maintenance

Question 0

Q1

Answer 0

Verify light intensity on the combined contaminated fuel detector
Quarterly check

Question 1

M1

Answer 1

Calibration of the naviflash flash point tester monthly check

Question 2

Q2

Answer 2

Calibration of the combine contaminated fuel detector with removable nonremovable photo so assembly quarterly check or if CCFD is moved

Question 3

S1

Answer 3

Renew standards card in Freewater detector semi annual check every six months

Question 4

Defuel cart

Answer 4

A diaphragm air operated positive displacement self priming pump Powered and designed to defuel aircraft at a max rate of 140 gallons per minute at 110 psi

Question 5

Aircraft to aircraft transfer cart

Answer 5

To transfer aviation fuel from one aircraft to another when the fuel is delivering aircraft does not meet the minimum flashpoint requirement for shipboard use

Question 6

Sight glass indicator

Answer 6

Installed in the pump discharge line before the filter assembly to visually inspect fuel flow and quality

Question 7

Solenoid pilot valve is not operating properly

Answer 7

Energize solenoid apply pressure valve inlet
Loosen fitting at cover a valve
If you is under pressure is present the solenoid pilot valve is probably stuck in the D energized position

Question 8

Hytrol valve failing to open

Answer 8

Loosen tube nut at cover of valve no pressure should be present at this point
Make sure that there’s no pressure in downstream fueling
If no pressures present disconnect union failure of diaphragm in valve is indicated
Remove cover screws and cover a valve
Remove the diaphragm assembly and install new diaphragm if ruptured
Reassemble valve reconnect union and tube fittings

Question 9

Troubleshooting the quick disconnect coupling

Answer 9

Inspect spider

Question 10

Troubleshooting the quick disconnect coupling

Answer 10

Contactor and contractor plunger springs

Question 11

Troubleshooting the quick disconnect coupling

Answer 11

Verify that they are clean unbroken and in good working condition replace any defective parts

Question 12

Troubleshooting the quick disconnect coupling

Answer 12

Remove for Allen screws remove switch housing which will expose switch

Question 13

Troubleshooting the quick disconnect coupling

Answer 13

Set multimeter to R x 1000 range

Question 14

Troubleshooting the quick disconnect coupling

Answer 14

Place one multimeter lead on side of switch that goes to spider contact

Question 15

Troubleshooting the quick disconnect coupling

Answer 15

Place other multimeter lead on the outside of Quick disconnect coupling

Question 16

Troubleshooting the quick disconnect coupling

Answer 16

Check that with fueling switch off multi meter reads an open circuit

Question 17

Troubleshooting the quick disconnect coupling

Answer 17

Set multimeter to R x 1 range

Question 18

Troubleshooting the quick disconnect coupling

Answer 18

Set fueling switch to on and check the multimeter now reads Less than 1ohm

Question 19

Troubleshooting the quick disconnect coupling

Answer 19

If these readings are not obtained fueling switch is defective and must be replaced to replace feeling switch proceed as follow

Question 20

To replace fueling switch

Answer 20

Remove not in the lockwasher remove switch from housing and disconnect wiring

Question 21

To replace fueling switch

Answer 21

Install replacement switch in housing and reconnect wiring be sure to wrap bare wire with Tate replace switch housing and secure with for Alan screws