Technical Specifications; Torque Values; Settings Of Shutdowns And Safety Valves - Atlas Copco PTS 800 T3 Cud Instruction Manual

10

Technical specifications

10.1 Torque values

10.1.1 For general applications
The following tables list the recommended torques
applied for general applications at assembly of the
compressor.
For hexagon screws and nuts with strength grade 8.8:
Thread size M6 M8 M10 M12 M14 M16
Nm 9 23 46 80
For hexagon screws and nuts with strength grade
12.9:
Thread size M6 M8 M10 M12
Nm 15 39 78 135
10.1.2 For important assemblies
Assemblies
Axles to frame:
Wheel nuts
Bolts, towing eye/towbar
Bolts, towbar/turntable
Bolts, front axle/frame
Bolts, rear axle/frame
125 205
Compressor to frame:
Bolts, elements/gear casing
Bolts, gear casing/support
Bolts, support/buffer
Bolts, buffer/frame
M14 M16
Engine to frame:
210 345
Bolts, engine/support
Bolts, support/buffer
Bolts, buffer/frame
Lifting beam to frame:
Bolts, lifting beams/yoke
(M12)
Bolts, lifting beams/yoke
(M16)
Bolts, yoke/lifting supports
Bolts, lifting supports/frame
Unit Torque
values
Nm 80 + 10/- 0
Nm 80 ± 10
Nm 80 ± 10
Nm 80 ± 10
Nm 205 ± 20
Nm 80 ± 10
Nm 205 ± 20
Nm 205 ± 20
Nm 80 ± 10
Nm 205 ± 20
Nm 205 ± 20
Nm 80 ± 10
Nm 80 ± 10
Nm 205 ± 20
Nm 205 ± 20
Nm 205 ± 20
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10.2 Settings of shutdowns and
safety valves
Designation
Engine shutdowns (see EOM)
Fuel level
LP element temperature
HP element temperature
Compressor oil pressure
HP safety valve opening pressure
LP safety valve opening pressure
Value
3%
260°C
260°C
0.9 bar(e)
13.7 bar(e)
198.7 psi
3.7 bar(e)
53,7 psi