Manitowoc National Crane 1300A Service And Maintenance Manual

1-14 01-22-2019 Control # 051-08
INTRODUCTION 1300A
3/4-10 UNC 8 385 370 355
7/8-9 UNC 8 615 591 567
1-8 UNC 8 929 893 857
1 1/4-7 UNC 8 2043 1964 1885
Table 1-7 Inch Series Bearing Bolts – Untreated (black finish) (Continued)
Nominal Size, Threads per
Inch, and Series
Designation
Grade
Torque (ft/lb)
Maximum Nominal Minimum
Table 1-8 Metric Series Bearing Bolts– Untreated (black finish)
Nominal Size, Threads per
millimeter, and Series
Designation
Class
Torque (Nm)
Maximum Nominal Minimum
M20X2.5 12.9 756 727 698
M24X3 10.9 1089 1047 1005
M24X3 12.9 1306 1256 1206
M27X3 10.9 1591 1530 1469
Table 1-9 Inch Series with Coarse Threads (UNC) – Untreated (black finish)
Size Grade
Torque (ft/lb)
Maximum Nominal Minimum
1/4-20
5 9.0 8.4 7.7
8 12.5 12 11.5
5/16-18
5191817
8262524
3/8-16
5323130
8484644
7/16-14
5525048
8737067
1/2-13
5 78 75 72
8 120 115 110
9/16-12
5 114 110 106
8 161 152 143
5/8-11
5 156 150 144
8 234 225 216
3/4-10
5 270 259.5 249
8 385 370 355
7/8-9
5 416 400 384
8 615 591 567

Manitowoc National Crane 1300A Specifications

General

Brand	Manitowoc
Model	National Crane 1300A
Category	Construction Equipment
Language	English