New Holland Boomer 20, Service Manual

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INTRODUCTION
Torque values for four-bolt flange connections (Inch Screws, Grade 8)
Metric size
mm
Imperial size
in
Screw code
61
Code 61
N·m (lb ft)
± 10 %
Screw code
62
Code 62
N·m (lb ft)
± 10 %
13 1/2 5/16-18 34 (25.1) 5/16-18 34 (25.1)
19
3/4 3/8-16 63 (46.5) 3/8-16 63 (46.5)
25 1 3/8-16 63 (46.5) 7/16-14 97 (71.5)
32 1-1/4 7/16-14
97 (71.5) 1/2-13 158 (116.5)
38 1-1/2 1/2-13 158 (116.5) 5/8-11 310 (228.6)
51 2 1/2-13 158 (116.5) 3/4-10 473 (348.9)
64 2-1/2 1/2-13 158 (116.5)
– –
76 3 5/8-11 310 (228.6)
– –
89
3-1/2 5/8-11 310 (228.6)
– –
102 4 5/8-11 310 (228.6)
– –
127 5 5/8-11 310 (228.6)
– –
Tapered thread connection tightening
British Standard Pipe Taper
(BSPT) thread size (inch)
National Pipe Thread Fuel
(NPTF) thread size (inch)
Turns from finger tight
1/8-28 1/8-27 2 - 3
1/4-19 1/4-18 2 - 3
3/8-19 3/8-18 2 - 3
1/2-14 1/2-14 2 - 3
3/4-14 3/4-14 2 - 3
1-11
1-11 1/2
1.5 - 2.5
1-1/4-11 1-1/4-11 1/2 1.5 - 2.5
1-1/2-11 1-1/2-11 1/2 1.5 - 2.5
2-11 2-11 1/2 1.5 - 2.5
Torque values for banjo bolt connections (Copper washer style)
Bolt thread (metric) Hex size (mm) Torque N·m (lb ft) ± 10 %
M8 x 1.25 13 13 (9.6)
M10 x 1.25 17 16 (11.8)
M12 x 1.5 17 40 (29.5)
M14 x 1.5
19 45 (33.2)
M16 x 1.5 22 48 (35.4)
M18 x 1.5 24 50 (36.9)
M20 x 1.5 27 73 (53.8)
M22 x 1.5 32 73 (53.8)
M24 x 1.5 32 73 (53.8)
48017684 02/06/2016
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