Other Torque Specifications - Toro TX525 Service Manual

SPECIFICATIONS

Other Torque Specifications

Other Torque Specifications
SAE Grade 8 Steel Set Screws
Thread Size
Square Head
1/4 - 20 UNC 140 ± 20 in-lb
5/16 - 18 UNC 215 ± 35 in-lb
3/8 - 16 UNC
1/2 - 13 UNC
Thread Cutting Screws
(Zinc Plated Steel)
Type 1, Type 23, or Type F
Thread Size
No. 6 - 32 UNC
No. 8 - 32 UNC
No.10 - 24 UNC
1/4 - 20 UNC
5/16 - 18 UNC
3/8 - 16 UNC
Conversion Factors
in-lb X 11.2985 - N-cm
ft-lb X 1.3558 = N-m
2-8
®
TimeCutter Z Service Manual
Recommended Torque
Hex Socket
73 ± 12 in-lb
145 ± 20 in-lb
35 ± 10 ft-lb 18 ± 3 ft-lb
75 ± 15 ft-lb 50 ± 10 ft-lb
Baseline Torque*
20 ± 5 in-lb
30 ± 5 in-lb
38 ± 7 in-lb
85 ± 15 in-lb
110 ± 20 in-lb
200 ± 100 in-lb
Wheel Bolts and Lug Nuts
Thread Size
7/16 - 20 UNF
Grade 5
1/2 - 20 UNF
Grade 5
M12 X 1.25
Class 8.8
M12 X 1.5
Class 8.8
** For steel wheels and non-lubricated fasteners.
Thread Cutting Screws
Threads per Inch
Thread
Size
Type A
No. 6 18
No. 8 15
No. 10 12
No. 12 11
* Hole size, material strength, material thickness and
finish must be considered when determining specific
torque values. All torque values are based on non-
lubricated fasteners.
N-cm X - 0.08851 = in-lb
N-cm X 0.73776 - ft-lb
Rev. 000
SPECIFICATIONS
Recommended Torque**
65 ± 10 ft-lb 88 ± 14 N-m
80 ± 10 ft-lb 108 ± 14 N-m
80 ± 10 ft-lb 108 ± 14 N-m
80 ± 10 ft-lb 108 ± 14 N-m
(Zinc Plated Steel)
Baseline Torque*
Type B
20 20 ± 5 in-lb
18 30 ± 5 in-lb
16 38 ± 7 in-lb
14 85 ± 15 in-lb
TX525 Service Manual
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