PAGE 39
© Copyright Hewland Engineering Limited
1/4
14.2
126
5/16
28.4
252
3/8
52.2
462
7/16
82.5
731.0
(Nm)
(lbs.ins)
RECOMMENDED TIGHTENING TORQUES
FOR UNIFIED FINE SERIES BOLTS CLASS
12.9
THREAD
1/4
12.5
110
5/16
25.6
227
3/8
46.0
407
(Nm)
(lbs.ins)
RECOMMENDED TIGHTENING TORQUES
FOR UNIFIED COARSE SERIES BOLTS
CLASS 12.9
THREAD
M5
6.7
59
M6
11.2
99
M8
27.3
242
M10
53.9
477
RECOMMENDED TIGHTENING TORQUES
FOR METRIC COARSE SERIES BOLTS
CLASS 12.9
(Nm)
(lbs.ins)
THREAD
(Nm)
(lbs.ins)
(lbs.ft)
M5
8.4
75
6.2
M6
12.7
112
9.3
M8
27.0
239
19.9
M10 x 1.50
40.0
354
29.5
M10 x 1.25
50.0
443
36.9
RECOMMENDED TIGHTENING TORQUES FOR METRIC
COARSE SERIES K-NUTS
FITTING TO EN16T STUDS
THREAD
RECOMMENDED TIGHTENING TORQUES
General nut and bolt torque settings:-
Specific component torque settings:-
(Where Specific component thread details are similar to General nut and bolt details, the tightening torques listed in this section must be
adhered to for these components.)
The tightening torques for specific components within the gearbox are given on page 4
Summary of Contents for NMT
Page 19: ...PAGE 19 Copyright Hewland Engineering Limited TPT 212 Diff Assembly FIGURE 9...
Page 22: ...PAGE 22 Copyright Hewland Engineering Limited ILLUSTRATED PARTS LIST...
Page 23: ...PAGE 23 Copyright Hewland Engineering Limited FIGURE 11...
Page 25: ...PAGE 25 Copyright Hewland Engineering Limited FIGURE 12...
Page 27: ...PAGE 27 Copyright Hewland Engineering Limited FIGURE 13...
Page 29: ...PAGE 29 Copyright Hewland Engineering Limited FIGURE 14...
Page 31: ...PAGE 31 Copyright Hewland Engineering Limited FIGURE 15...
Page 33: ...PAGE 33 Copyright Hewland Engineering Limited NLT 218 TRIPOD ASSEMBLY FIGURE 16...
Page 34: ...PAGE 34 Copyright Hewland Engineering Limited Variable Parts...
Page 35: ...PAGE 35 Copyright Hewland Engineering Limited Gearbox Tooling FIGURE 17...