New Holland B90B Service Manual

SECTION 01 - MAINTENANCE 5
O-RING FLAT FACE SEAL FITTING
MINIMUM HARDWARE TIGHTENING TORQUES lfb·ft (Nm)
NOTA: there is no note on the page that * indicates lb·in and not lb·ft.
O-RING FLAT SEAL FITTING TORQUE VALUES
Nominal Dash size Thread size
(inch)
Swivel nut torque
O.D. (inch) Tube (mm) lbf·ft Nm
0.250
0.375
0.500
0.625
0.750
0.875
1.000
1.250
1.500
6.35
9.52
12.70
15.88
19.05
22.22
25.40
31.75
38.10
-4
-6
-8
-10
-12
-14
-16
-20
-24
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
12
18
37
51
75
75
105
140
160
16
24
50
69
102
102
142
190
217
INCH HARDWARE AND LOCKNUTS
SAE GRADE 2 SAE GRADE 5 SAE GRADE 8 LOCKNUTS
Nominal
Size
Unplated
or plated
silver
Plated
with zinc-
chrome
gold
Unplated
or plated
silver
Plated
with zinc-
chrome
gold
Unplated
or plated
silver
Plated
with zinc-
chrome
gold
Gr.B with
Grade 5
bolt
Gr.C with
Grade 8
bolt
Nominal
Size
1/4 55* (6.2) 72* (8.1) 86* (9.7) 112* (13) 121* (14) 157* (18) 61* (6.9) 86* (9.8) 1/4
5/16 115* (13) 149* (17) 178* (20) 229* (26) 250* (28) 324* (37) 125* (14) 176* (20) 5/16
3/8 17 (23) 22 (30) 26 (35) 34 (46) 37 (50) 48 (65) 19 (26) 26 (35) 3/8
7/16 27 (37) 35 (47) 42 (57) 54 (73) 59 (80) 77 (104) 30 (41) 42 (57) 7/16
1/2 42 (57) 54 (73) 64 (87) 83 (113) 91 (123) 117 (159) 45 (61) 64 (88) 1/2
9/6 60 (81) 77 (104) 92 (125) 120 (163) 130 (176) 169 (229) 65 (88) 92 (125) 9/16
5/8 83 (112) 107 (145) 128 (174) 165 (224) 180 (244) 233 (316) 90 (122) 127 (172) 5/8
3/4 146 (198) 189 (256) 226 (306) 293 (397) 319 (432) 413 (560) 160 (217) 226 (306) 3/4
7/8 142 (193) 183 (248) 365 (495) 473 (641) 515 (698) 667 (904) 258 (350) 364 (494) 7/8
1 213 (289) 275 (373) 547 (742) 708 (960) 773 (1048) 1000 (1356) 386 (523) 545 (739) 1
METRIC HARDWARE AND LOCKNUTS
CLASS 5.8 CLASS 8.8 CLASS 10.9 LOCKNUT
CL.8 with
Class 8.8
bolt
Nominal
Size
Unplated Plated with
zinc-chrome
Unplated Plated with
zinc-chrome
Unplated Plated with
zinc-chrome
M4 15* (1.7) 19* (2.2) 23* (2.6) 30* (3.4) 33* (3.7) 42* (4.8) 16* (1.8)
M6 51* (5.8) 67* (7.6) 79* (8.9) 102* (12) 115* (13) 150* (17) 56* (6.3)
M8 124* (14) 159* (18) 195* (22) 248* (28) 274* (31) 354* (40) 133* (15)
M10 21 (28) 27 (36) 32 (43) 41 (56) 45 (61) 58 (79) 22 (30)
M12 36 (49) 46 (63) 55 (75) 72 (97) 79 (107) 102 (138) 39 (53)
M16 89 (121) 117 (158) 137 (186) 177 (240) 196 (266) 254 (344) 97 (131)
M20 175 (237) 226 (307) 277 (375) 358 (485) 383 (519) 495 (671) 195 (265)
M24 303 (411) 392 (531) 478 (648) 619 (839) 662 (897) 855 (1160) 388 (458)

New Holland B90B Specifications

General

Brand	New Holland
Model	B90B
Category	Front End Loaders
Language	English