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TM 55-4920-405-13&P
Table 1-3. Function of Components of 1/2 Inch Hose Assembly
Description
Index No.
Function
1
Dust plug
Prevents entry of foreign particles while hose assem-
bly is not in use, thereby preventing damage to
internal parts of coupling
2
Nut
Secures coupling on hose assembly to couplings on
test stand and system under test
1/2 inch coupling
3
Attaches to test stand and system under test
4
Couples two halves of hose assembly together
Union
I
I
5
Hose
Carries hydraulic fluid at high pressure to aircraft
Table 1-4. Function of Components of 3/4 Inch Hose Assembly
I
Description
Function
Index No.
1
Dust plug
Prevents entry of foreign particles while hose assem-
bly is not in use, thereby preventing damage to
internal parts of coupling
I
I
2
Nut
Secures coupling on hose assembly to couplings on
test stand and system under test
I
3
3/4 inch coupling
Attaches to test stand and system under test
I
4
Cautions operator not to use this hose assembly on
Tag
high pressure side of hydraulic system
5
Couples two halves of hose assembly together
Union
6
Carries hydraulic fluid at low pressure from aircraft
Hose
Table 1-5. Function of Components of Adapter Assembly (Part No. 7469-1 Only)
I
I
Function
Index No.
Description
1
Dust plug
Prevents entry of foreign particles into adapter assem-
bly while it is not in use, thereby preventing damage
to internal parts of coupling
2
Secures coupling of adapter assembly to couplings of
Nut
test stand
3
Attaches to coupling on test stand
Coupling half
I
I
Couples two halves of adapter assembly together
Reducer
4
l-8
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