Spearhead AG18, Руководство пользователя

Страница: 45 / 52

8999129: v1 11/09/2018
Page 8.5 of 8.5 pages Original instructions (ENGLISH)
Website: www.spearheadmachinery.com
8.7 Fastener Torque Guidelines
8.7.1 Specific Torque Settings
CAUTION: This table refers to bolts that MUST be tightened to the figure shown. Where a specific torque
setting is given it should be used instead of the information shown in the Figure 8.6.
Specific Torque settings for Agricut models (Nm)
Fastener
Agricut 180
in-line
PTO Shaft Shear bolt 26
Outer Gearbox Mounting Bolts N/A
Centre Gearbox Mounting Bolts 225
Flexible Coupling Bolts N/A
Blade Carrier Bolts 225
Cutting Blade Bolts 315
Rotor Hub Castle Nut
M24x2
see section
8.6.1
Figure 8.5
8.7.2 General Torque Settings
CAUTION: This table refers to bolts without a torque setting specified above. Please check Figure 8.5 first.
Where a specific torque setting is given it should be used instead of the information below.
The figures shown are for the torque moment for bolts of normal metric thread quality 8.8 black and/or galvanised
and ungreased when tightened on a smooth surface or a plain washer.
Thread Diameter
(mm)
Nm
+ 10% / - 0
5 6
6 10
8 26
10 52
12 90
14 144
16 225
20 436
22 594
Figure 8.6
8.7.3 Converting chart between Measuring Systems
Basic Unit SI Metric Unit Conversion Number
Length 1 meter (m) 39.4 inches (in),
3.3 feet (ft),
1.1 yard (yd)
Area 1m2 10.8 ft2, 1.2 yd2
Volume 1 litre, 1dm3 1.76 pints (pt),
0.22 gallons (gall) (Imp),
0.26 gall (US)
Speed 1 m/s 3.6 km/h,
2.24 mph
Force 1 Newton (N) 0.22 lbf
Power 1 KW 1.34 hp,
860 kcal/h,
737 ft lbs/s
Mass 1 kg 35 ounces (oz),
2.2 pounds (lb),
0.0197 hundredweight (cwt)
Moment 1 Nm 8.8 lbf in,
0.74 lbf ft
Pressure 1 kPa 0.01 atmospheres,
0.14 lbf/in2
Rotation speed Min-1 r.p.m
Figure 8.7