Altec DRM 12, Manual

Page: 80 / 143

Appendix — Torque Values
Bushing-Sheave
Bushing Cap Screw Torque
Size Size and Thread ft-lbs (N • m)
SK
5
/
16
-18 15 (20)
SF
3
/
8
-16 30 (41)
E
1
/
2
-13 60 (81)
F
9
/
16
-12 75 (102)
J
5
/
8
-11 135 (183)
Torque Values
Grade 8
Bolt Size - Grade 5 Hex Hex Head, Socket Head, Button Head Cap Screw
Thread Pitch Head Cap Screw and 12 Point Cap Screw and Flat Head Socket Screw
1
/
4
″ - 20 5 (7) 7 (10) 6 (8)
5
/
16
″ - 18 10 (14) 15 (20) 13 (17)
3
/
8
″ - 16 19 (25) 26 (35) 22 (30)
7
/
16
″ - 14 30 (40) 42 (57) 36 (49)
1
/
2
″ - 13 45 (61) 64 (87) 55 (74)
9
/
16
″ - 12 65 (89) 92 (125) 79 (107)
5
/
8
″ - 11 90 (122) 127 (172) 109 (148)
3
/
4
″ - 10 160 (217) 226 (306) 193 (262)
7
/
8
″ - 9 258 (349) 364 (493) 312 (422)
1″ - 8 386 (524) 545 (739) 467 (633)
Fasteners
1
Values are foot-pounds (N•m).
2
Values apply for both lubed and not lubed applications with any style nut or threaded hole.
3
Values apply for torque applied to either the head of the bolt or the nut.
4
This chart only applies for general application fasteners where a specific torque is not defined. Refer to the fastener section for special applica -
tions where the torque is specifically defined.