Torque Specifications; Accessories - Craftsman Z7400 Operator's Manual

Engine crankshaft bolt
Deck pulley bolts
Lug nuts
Blade bolt
Torque Specifications
50 ft/Ib (67 Nm)
75 ft/Ib (100 Nm)
75 ft/Ib (100 Nm)
55 ft/Ib (75 Nm)
Standard 1A"fasteners
Standard 5/16"fasteners
Standard s/s" fasteners
Standard 7/16"fasteners
Standard 1/2"fasteners
9 ft/Ib (12 Nm)
18 ft/Ib (25 Nm)
33 ft/Ib (44 Nm)
52 ft/Ib (70 Nm)
80 ft/Ib (110 Nm)
Accessories
Collection system
Grade
¼
@ 5/16
.c_
d s/s
@
V16
.c
-_ 1/2
@ 9/16
c_ 8 sis
.__Q sA,
Or) co
c O
cO o
_o b 11/s
** Grade 5-
HEX HEAD CAP SCREWS
The torque values shown should be used as a general guideline when specific torque values are not given.
9
18
31
5O
75
110
150
250
378
782
SAE Grade 5
12
24
42
68
102
149
203
339
512
1060
Grade Grade 8,8
M4 1,5
U.S. Standard Hardware
SAE Grade 8
13
28
46
75
115
165
225
370
591
1410
18
38
62
102
156
224
305
502
801
1912
Flangelock Screw
w/Flangelock Nut
24
4O
33
54
Minimum commercial quality (lower quality not recommended
Metric Standard Hardware
Grade 10,9 Grade 12,9
2 2,2 3 2,7 3,7
M5 3 4 4,5 6 5,2 7
@
® M6 5,2 7 7,5 10 8,2 11
M7 8,2 11 12 16 15 20
o
o
M8 13,5 18 18,8 25 21,8 30
@
c
MI0 24 33 35,2 48 43,5 59
d ®
M12 43,5 59 62,2 84 75 102
._ M14 70,5 96 100 136 119 161
_ M16 108 146 147 199 176 239
¥
E M18 142 193 202 274 242 328
_ M20 195 264 275 373 330 447
N
M22 276 374 390 529 471 639
M24 353 478 498 675 596 808
M27 530 719 735 996 904 1226