Manitowoc National Crane 1300A Service And Maintenance Manual

National Crane 01-22-2019 Control # 051-08 1-13
1
1300A INTRODUCTION
Torque Values for fasteners with lubrication these torque values result in an 80% utilization of the yield strength.
Stainless steel fasteners tend to gall while being tightened. To reduce this risk, lubricate the threads and torque at low speeds
without interruptions. Do not use excessive pressure. Impact wrenches are not recommended.
Torque Values for fasteners with lubrication these torque and preload values result in an 80% utilization of the yield strength.
Stainless steel fasteners tend to gall while being tightened. To reduce this risk, lubricate the threads and torque at low speeds
without interruptions. Do not use excessive pressure. Impact wrenches are not recommended.
M36x2
8.8 2340.1 2281.6 2223.1
10.9 3332.8 3249.5 3166.2
12.9 3900.2 3802.6 3705.1
Table 1-5 Metric Series Screws of STAINLESS STEEL A2-70/A4-70 with Coarse Threads
Size Torque (Nm)
M2.5x0.45 0.4
M3x0.5 0.9
M4x0.7 1.5
M5x0.8 3.1
M6x1 5.3
M8x1.25 13
M10x1.5 27
Table 1-6 Inch Series Screws of STAINLESS STEEL 300 (18-8) with Coarse Threads
Size
Torque
lb-in lb-ft
#5-40 (0.125) 6.9 -
#6-32 (0.138) 9 -
#8-32 (0.164) 18 -
#10-24 (0.190) 21 -
1/4-20 68 -
5/16-18 120 10
3/8-16 210 17.5
Table 1-4 Metric Series with Fine Threads – Zinc Flake Coated (Continued)
Nominal Size, Threads per
millimeter, and Series
Designation
Property
Class
Torque (Nm)
Maximum Nominal Minimum
Table 1-7 Inch Series Bearing Bolts – Untreated (black finish)
Nominal Size, Threads per
Inch, and Series
Designation
Grade
Torque (ft/lb)
Maximum Nominal Minimum
5/8-11 UNC 8 234 225 216
5/8-18 UNF 8 250 240 230

Manitowoc National Crane 1300A Specifications

General

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