Metric Hardware And Locknuts - New Holland B90B Service Manual

O-RING FLAT FACE SEAL FITTING
Nominal
O.D. (inch) Tube (mm)
0.250
0.375
0.500
0.625
0.750
0.875
1.000
1.250
1.500
MINIMUM HARDWARE TIGHTENING TORQUES lfb·ft (Nm)
SAE GRADE 2
Nominal Unplated
Size or plated with zinc-
silver
1/4 55* (6.2)
5/16 115* (13)
3/8 17 (23)
7/16 27 (37)
1/2 42 (57)
9/6 60 (81)
5/8 83 (112) 107 (145)
3/4 146 (198) 189 (256)
7/8 142 (193) 183 (248)
1 213 (289) 275 (373)
CLASS 5.8
Nominal Unplated
Size
M4 15* (1.7)
M6 51* (5.8)
M8 124* (14)
M10 21 (28)
M12 36 (49)
M16 89 (121)
M20 175 (237)
M24 303 (411)
NOTA: there is no note on the page that * indicates lb·in and not lb·ft.
SECTION 01 - MAINTENANCE
O-RING FLAT SEAL FITTING TORQUE VALUES
Dash size
6.35 -4
9.52 -6
12.70 -8
15.88 -10
19.05 -12
22.22 -14
25.40 -16
31.75 -20
38.10 -24
INCH HARDWARE AND LOCKNUTS
SAE GRADE 5
Plated Unplated
or plated with zinc-
chrome silver chrome
gold
72* (8.1) 86* (9.7) 112* (13)
149* (17) 178* (20) 229* (26)
22 (30) 26 (35)
35 (47) 42 (57)
54 (73) 64 (87) 83 (113)
77 (104) 92 (125) 120 (163)
128 (174) 165 (224)
226 (306) 293 (397)
365 (495) 473 (641)
547 (742) 708 (960) 773 (1048) 1000 (1356) 386 (523)

METRIC HARDWARE AND LOCKNUTS

Plated with Unplated
zinc-chrome
19* (2.2) 23* (2.6)
67* (7.6) 79* (8.9)
159* (18) 195* (22)
27 (36) 32 (43)
46 (63) 55 (75)
117 (158) 137 (186)
226 (307) 277 (375)
392 (531) 478 (648)
Thread size
(inch)
9/16-18
11/16-16
13/16-16
1-14
1 3/16-12
1 3/16-12
1 7/16-12
1 11/16-12
2-12
SAE GRADE 8
Plated Unplated Plated
or plated with zinc-
silver chrome
gold
121* (14) 157* (18)
250* (28) 324* (37)
34 (46) 37 (50) 48 (65)
54 (73) 59 (80) 77 (104)
91 (123) 117 (159)
130 (176) 169 (229)
180 (244) 233 (316)
319 (432) 413 (560)
515 (698) 667 (904)
CLASS 8.8
Plated with
zinc-chrome
30* (3.4)
102* (12)
248* (28)
41 (56)
72 (97)
177 (240)
358 (485)
619 (839)
Swivel nut torque
lbf·ft
12
18
37
51
75
75
105
140
160
LOCKNUTS
Gr.B with Gr.C with
Grade 5 Grade 8
bolt bolt
gold
61* (6.9) 86* (9.8)
125* (14) 176* (20)
19 (26) 26 (35)
30 (41) 42 (57)
45 (61) 64 (88)
65 (88) 92 (125)
90 (122) 127 (172)
160 (217) 226 (306)
258 (350) 364 (494)
545 (739)
CLASS 10.9
Unplated Plated with
zinc-chrome
33* (3.7) 42* (4.8)
115* (13) 150* (17)
274* (31) 354* (40)
45 (61) 58 (79)
79 (107) 102 (138)
196 (266) 254 (344)
383 (519) 495 (671)
662 (897) 855 (1160)
5
Nm
16
24
50
69
102
102
142
190
217
Nominal
Size
1/4
5/16
3/8
7/16
1/2
9/16
5/8
3/4
7/8
1
LOCKNUT
CL.8 with
Class 8.8
bolt
16* (1.8)
56* (6.3)
133* (15)
22 (30)
39 (53)
97 (131)
195 (265)
388 (458)