TM-5-4210-249-13-P-2

TACTICAL FIRE FIGHTING TRUCK (TFF) MODEL M1142

TECHNICAL MANUAL; OPERATOR’S AND FIELD LEVEL MAINTENANCE MANUAL WITH REPAIR PARTS AND SPECIAL TOOLS LIST (INCLUDING DEPOT REPAIR PARTS AND SPECIAL TOOLS); PART 2 OF 4

TM-5-4210-249-13-P-2 - Page 869 of 1452

TM 5-4210-249-13&P-2

0187-9

DRAFT

0187

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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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TFFT04155

Table 1.

Recommended Flats Rotation.

TFFT04154

Dash No.

JIC 37-Degree

Flared Hose and Fitting

Machined Seat

SAE 45-Degree

Flared Hose and Fitting

Machined Seat

JIC 37-Degree

Flared Tube

-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

-----

2 - 1/2

-24

1/2 - 3/4

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2 - 1/2

-32

3/4

-----

1 - 1-1/4