DRAFT
TM 5-4210-249-13&P-2
0187
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TFFT04155
NOTE
When turning effort increases, hose nut seat is in contact with fitting seat.
2.
Tighten hose (1) until seated on fitting (2).
NOTE
Alignment marks allow the mechanic to count the number of flats the hose has rotated
during tightening.
3.
Scribe alignment mark on hose (1) and fitting (2).
4.
Tighten hose nut (1) until mark on hose nut has rotated correct number of flats (refer to Table 1).
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Table 1.
Recommended Flats Rotation.
TFFT04154
JIC 37-Degree
SAE 45-Degree
JIC 37-Degree
Dash No.
Flared Hose and Fitting
Flared Hose and Fitting
Flared Tube
Machined Seat
Machined Seat
-4
1-1/2 - 1-3/4
1 - 1-1/4
2-1/4 - 2-3/4
-5
1 - 1-1/2
1 - 1-1/4
2-1/4 - 2-3/4
-6
1 - 1-1/2
3/4 - 1
2-1/4 - 2-3/4
-8
1-1/4 - 1-3/4
1 - 1-1/4
2-1/4 - 2-3/4
-10
1-1/4 - 1-3/4
1 - 1-1/4
2 - 1/2
-12
1 - 1-1/2
1 - 1-1/4
2 - 1/2
-16
3/4 - 1
-----
2-1/4 - 2-3/4
-20
1/2 - 3/4
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2 - 1/2
-24
1/2 - 3/4
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2 - 1/2
-32
3/4
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1 - 1-1/4
