Atlas Copco PTS 916 Cd - Technical Specifications; Torque Values and Shutdown Settings; Compressor and Engine Specifications

Instruction manual
Preliminary 55
7 Technical specifications
7.1 Torque values
7.1.1 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:
For hexagon screws and nuts with strength grade 12.9:
7.1.2 For important assemblies
7.2 Settings of shutdowns and safety
valves
7.3 Compressor/engine specifications
Thread size M6 M8 M10 M12 M14 M16
Nm 9 234680125205
Thread size M6 M8 M10 M12 M14 M16
Nm 15 39 78 135 210 345
Assemblies Unit Torque values
Axles to frame:
Wheel nuts Nm 80 + 10/- 0
Bolts, towing eye/towbar Nm 80 ± 10
Bolts, towbar/turntable Nm 80 ± 10
Bolts, front axle/frame Nm 80 ± 10
Bolts, rear axle/frame Nm 205 ± 20
Compressor to frame:
Bolts, elements/gear casing Nm 80 ± 10
Bolts, gear casing/support Nm 205 ± 20
Bolts, support/buffer Nm 205 ± 20
Bolts, buffer/frame Nm 80 ± 10
Engine to frame:
Bolts, engine/support Nm 205 ± 20
Bolts, support/buffer Nm 205 ± 20
Bolts, buffer/frame Nm 80 ± 10
Lifting beam to frame:
Bolts, lifting beams/yoke (M12) Nm 80 ± 10
Bolts, lifting beams/yoke (M16) Nm 205 ± 20
Bolts, yoke/lifting supports Nm 205 ± 20
Bolts, lifting supports/frame Nm 205 ± 20
Designation Value
Engine shutdowns (see EOM)
Fuel level 5%
LP element temperature 250°C
MP element temperature 250°C
Compressor oil pressure 1.2 bar(e)
MP safety valve opening pressure
EEC type 15 bar(e)
USA/AUS type 220 psi
Relief valves opening pressure 3.7 bar(e)
Compressor type PTS 916 Cd
Designation Unit Value
Reference conditions
Absolute inlet pressure bar(e) 1
Relative air humidity % 0
Air inlet temperature °C 20
Normal effective working pressure bar(e) 6.9 9.3 10.3
The inlet conditions are specified at the air inlet
grating outside the canopy
Limitations
Minimum effective receiver pressure bar(e) 3 3 3
Maximum effective receiver pressure,
compressor unloaded
bar(e) 8.0 10.3 11.3
Maximum ambient temperature °C 45 45 45
Minimum starting temperature °C -25 -25 -25
Performance data
1)
Engine shaft speed, normal and maximum r/min 1850 1750 1550
Engine shaft speed, compressor unloaded r/min 1200 1200 1200
Free air delivery
2)
l/s 762 718 623
Compressed air temperature at outlet valves °C 30 30 30
Noise level
Sound pressure level (LP), measured
according to EPA with a tolerance of ±
3dB(A) under free field conditions at 7 m
distance
dB(A)
Sound power level (LW) complies with 84/
532/533/EEC and 85/406/EEC limits
dB(A) 104
Compressor type PTS 916 Cd
Design data Value
Compressor
Number of compressor stages 2 in serial
Engine
Make Caterpillar
Type C18
Coolant Liquid
Number of cylinders 6
Bore
145 mm
Stroke 183 mm
Swept volume 18.1 l
Output according to SAEJ1995 at normal shaft
speed:
429 kW
Load factor 100%
Capacity of oil sump:
Initial fill 65 l
Refill (max.)
4)
-
Capacity of cooling system (engine jackets) 86 l
Unit
Capacity of compressor oil system 84 l
Capacity of fuel tanks 900 l
Air volume at inlet grating (approx.)
3)
15 m³/s