Page # 12
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OPERATION
REPLACEMENT PARTS
READ complete manual CAREFULLY
BEFORE attempting operation.
TORQUE DATA FOR STANDARD NUTS, BOLTS, AND CAP SCREWS.
Tighten all bolts to torques specified in chart unless otherwise noted. Check tightness of bolts periodically, using bolt
chart as guide. Replace hardware with same grade bolt.
NOTE: Unless otherwise specified, high-strength Grade 5 hex bolts are used throughout assembly of equipment.
Bolt Torque for Standard bolts *
GRADE 2
GRADE 5
GRADE 8
“A” lb-ft (N.m) lb-ft (N.m) lb-ft (N.m)
1/4”
6
(8)
9
(12)
12 (16)
5/16”
10 (13)
18 (25)
25 (35)
3/8”
20 (27)
30 (40)
45 (60)
7/16”
30 (40)
50 (70)
80 (110)
1/2”
45 (60)
75 (100)
115 (155)
9/16”
70 (95)
115 (155)
165 (220)
5/8”
95 (130)
150 (200)
225 (300)
3/4”
165 (225)
290 (390)
400 (540)
7/8”
170 (230)
420 (570)
650 (880)
1”
225 (300)
630 (850)
970 (1310)
Torque figures indicated are valid for non-greased
or non-oiled threads and heads unless otherwise
specfied. Therefore, do not grease or oil bolts
or capscrews unless otherwise specified in this
manual. When using locking
elements, increase torque values
by 5%.
* GRADE or CLASS value for bolts and capscrews
are identified by their head markings.
Torque Specifications
CLASS 8.8 CLASS 9.8 CLASS 10.9
“A” lb-ft (N.m) lb-ft (N.m) lb-ft (N.m)
6
9 (13)
10 (14)
13 (17)
7
15 (21)
18 (24)
21 (29)
8
23 (31)
25 (34)
31 (42)
10
45 (61)
50 (68)
61 (83)
12
78 (106)
88 (118)
106 (144)
14
125 (169)
140 (189)
170 (230)
16
194 (263)
216 (293)
263 (357)
18
268 (363)
-- --
364 (493)
20
378 (513)
-- --
515 (689)
22
516 (699)
-- --
702 (952)
24 654 (886)
-- --
890 (1206)
Bolt Torque for Metric bolts *
GRADE-2 GRADE-5 GRADE-8
CLASS 8.8 CLASS 9.8 CLASS 10.9
8.8
10.9
9.8
BOLT TORQUE
Summary of Contents for Turbo-Max 6100 Series
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