Test Kit

Question 1

Ccfd

Answer 1

Combined contamination detection kit

Question 2

What does the ccfd do ?

Answer 2

Determines amount of solid contamination in aviation fuel

Question 3

Ccfd

How is it measured ?

Answer 3

Using principle of light transmission through a .65 membrane filter (microne filter)

Question 4

How many filters are there in the ccfd ? And what are they?

Answer 4

2, and the
1st one is used to trap solids and color effect
2nd one is used to only trap fuel color effect

Question 5

What is fwd ?

Answer 5

Free water detector

Question 6

What does the fwd determine ?

Answer 6

Determines amount of free water in aviation fuel

Question 7

Fwd

How is it measured ?

Answer 7

It’s measured by the reaction of un-dissolved water and sodium fluorescents , produces yellow-green fluorescent light under uv light

Question 8

Fwd standard is ?

Answer 8

0,5,10, and 20

Question 9

How many filter pads in the fwd?

Answer 9

One filter pad only

Question 10

Components of ccfd

Answer 10

1. control panel
2. 32oz sample bottle
3. filter holder assembly
4. photocell
5. filter slide
6. lcd multimeter
7. tygon drain tube
8. drain cock
9. polytheric 16oz bottle
10. potentiometer knob

Question 11

Control panel for ccfd

Answer 11

Has four switches
Vacuum pump
LCD multimeter screen
Ultra violet light

Question 12

32 oz sample bottle

Answer 12

Holds 800ml for ccfd (COMBINED 8 letters)

Holds 500ml for fwd (WATER 5 letters)

Question 13

Filter holder assembly

Answer 13

Holds 2 mili pads , 
Used with a 32oz bottle 
Consists of : filter base 
Stopper 
Bottle receiver

Question 14

Photocell

Answer 14

Holds the light transmission system

Question 15

Filter slide

Answer 15

Holds the filter in place

Question 16

LCD millimeter

Answer 16

Measures the decrease in light transmission, digital display with 3-digit reading

Question 17

Tygon drain tube

Answer 17

Insterted before test

Allows pre filtered fuel to drain

Question 18

Drain cock

Answer 18

Point where fuel leaves fuel flask

The handle has “open” and “closed”

Question 19

Polyethylene 16oz bottle

Answer 19

Used to wet the .65 filter

Question 20

Potentiometer knob

Answer 20

Adjusts millimeter reading

Question 21

How often do you check the cfd?

Answer 21

Every 3 months or if any part is replaced

Question 22

What do each calibration curve represent ?

Answer 22

Each one shows difference in millimeter readings and contamination in fuel

Question 23

When calibrating what should the potentiometer be adjusted to ?

Answer 23

To a steady reading of 600mg

Question 24

No more than 2 mg/l is pass more is fail

Answer 24

No fuel needed to calibrate

Question 25

When do you calibrate the fwd ?

Answer 25

Every 180 days or if it Is damaged or un readable

Question 26

Is there any fuel needed to Calibrate the fwd ?

Answer 26

No

Question 27

What are the 4 tests done with sample ?

Answer 27

``` Cfd Fwd Visual inspection And Free water ```

Question 28

When is the sample taken at?

Answer 28

When operating at normal flow NOT at static