JLG TF6-42 Service Manual - Manuale (Pagina 656)

T12000 ID 04/99 3-2
Technical specifications
3.3 TIGHTENING TORQUES
3.3.1 Torque specifications for lubricated or plated screw threads
.2500
.3125
.3750
.4375
.5000
.5625
.6250
.7500
9 - 11
16 - 20
26 - 29
41 - 45
64 - 70
91 - 100
128 - 141
223 - 245
[12 - 15]
[22 - 27]
[35 - 39]
[56 - 61]
[87 - 95]
[123 - 136]
[174 - 191]
[302 - 332]
8 - 10
12 - 16
23 - 25
37 - 41
57 - 63
82 - 90
113 - 124
200 - 220
[11 - 14]
[16 - 22]
[31 - 34]
[50 - 56]
[77 - 85]
[111 - 122]
[153 - 168]
[271 - 298]
GRADE 5 NOM. SIZE
LBF - FT [N.m]
FINE THREAD
LBF - FT [N.m]
COARSE THREAD
.2500
.3125
.3750
.4375
.5000
.5625
.6250
.7500
11 - 13
28 - 32
37 - 41
58 - 64
90 - 99
128 - 141
180 - 198
315 - 347
[15 - 18]
[38 - 43]
[50 - 56]
[79 - 87]
[122 - 134]
[174 - 191]
[224 - 268]
[427 - 470]
9 - 11
26 - 30
33 - 36
52 - 57
80 - 88
115 - 127
159 - 175
282 - 310
[12 - 15]
[35 - 41]
[45 - 49]
[71 - 77]
[108 - 119]
[156 - 172]
[216 - 237]
[382 - 420]
GRADE 8 NOM. SIZE
LBF - FT [N.m]
FINE THREAD
LBF - FT [N.m]
COARSE THREAD
GRADE 8.8 or 9.8 NOM. SIZE GRADE 10.9
M10
M12
30 - 37
50 - 55
[40 - 50]
[65 - 75]
LBF - FT [N.m]
COARSE THREAD
44 - 48
74 - 81
[60 - 65]
[100 - 110]
LBF - FT [N.m]
COARSE THREAD