215009
216
Revision A
Table 7.8
O-Ring Face Seal (ORFS) Hydraulic Fittings (continued)
SAE Dash Size
Thread Size (in.)
Tube O.D. (in.)
Torque Value
11
Nm
lbf·ft
-16
1 7/16
1
150
–
165
111
–
122
-20
1 11/16
1 1/4
205
–
226
151
–
167
-24
1
–
2
1 1/2
315
–
347
232
–
256
-32
2 1/2
2
510
–
561
376
–
414
7.1.6
Tapered Pipe Thread Fittings
Assemble pipe fittings as follows:
1.
Check components to ensure that fitting and port threads are free of burrs, nicks, scratches, or any form of
contamination.
2.
Apply pipe thread sealant (paste type) to external pipe threads.
3.
Thread fitting into port until hand-tight.
4.
Torque connector to appropriate torque angle. The turns from finger tight (TFFT) and flats from finger tight (FFFT)
values are shown in Table
. Make sure that tube end of a shaped connector (typically 45 degree or
90 degree) is aligned to receive incoming tube or hose assembly. Always finish alignment of fitting in tightening
direction. Never back off (loosen) pipe threaded connectors to achieve alignment.
5.
Clean all residue and any excess thread conditioner with appropriate cleaner.
6.
Assess final condition of fitting. Pay special attention to possibility of cracks to port opening.
7.
Mark final position of fitting. If a fitting leaks, disassemble fitting and check for damage.
NOTE:
Overtorque failure of fittings may not be evident until fittings are disassembled.
Table 7.9 Hydraulic Fitting Pipe Thread
Tapered Pipe Thread Size
Recommended TFFT
Recommended FFFT
1/8
–
27
2
–
3
12
–
18
1/4
–
18
2
–
3
12
–
18
3/8
–
18
2
–
3
12
–
18
1/2
–
14
2
–
3
12
–
18
3/4
–
14
1.5
–
2.5
12
–
18
1
–
11 1/2
1.5
–
2.5
9
–
15
1 1/4
–
11 1/2
1.5
–
2.5
9
–
15
1 1/2
–
11 1/2
1.5
–
2.5
9
–
15
2
–
11 1/2
1.5
–
2.5
9
–
15
11. Torque values and angles shown are based on lubricated connection as in reassembly.
Содержание R113 SP
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