Technical Specifications; Torque Values; For General Applications; For Important Assemblies - Atlas Copco XAS 175 Dd Instruction Manual

8.

TECHNICAL SPECIFICATIONS

8.1 T
ORQUE VALUES
8.1.1 F
OR 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
Nm 9
For hexagon screws and nuts with strength grade 12.9
Thread size M6
Nm 15
8.1.2 F
OR IMPORTANT ASSEMBLIES
Assemblies
Wheel bolts
Axle/frame screws (M16)
Axle/frame screws (M12)
Bolts, towbar/axle (M12)
Screws, towbar/frame (M12)
Screws, lifting eye/flywheel housing
Screws, coupling half/coupling
Screws, towing eye/towbar (M12)
Nuts, engine outlet collector/silencer
Nuts, brake cable/wheel plate
Note:
Secure the tank cap and drain cock of the fuel tank handtight.
8.2 S
ETTINGS OF SHUT
SAFETY VALVES
Designation
Engine temperature
Engine oil pressure
Compressor temperature
Safety valve opening pressure
EC type
M8 M10 M12 M14
23 46 80 125
M8 M10 M12 M14
39 78 135 210
Unit

Torque values

Nm 140 – 150
Nm 185 – 225
Nm 75 – 85
Nm 75 – 85
Nm 75 – 85
Nm 190 – 200
Nm 80 – 90
Nm 75 – 85
Nm 50 – 55
Nm 15 – 25
-
DOWN SWITCHES AND
Unit
°C 150 - 155
bar(e) 1.14 - 0.8
°C 116 – 120
bar(e) 9.5
8.3 C
OMPRESSOR
Compressor type
Reference conditions
1. Absolute inlet pressure
2. Relative air humidity
3. Air inlet temperature
M16
4. Normal effective working pressure
205
The inlet conditions are specified at the air inlet grating outside the canopy
Performance data
1. Engine shaft speed, normal and maximum
M16
2. Engine shaft speed, compressor unloaded
345
3. Free air delivery
4. Compressed air temperature at outlet valves
5. Noise level (XAS175 Dd)
– Sound pressure level (LP), measured according to
ISO 2151 with a tolerance of +/- 3 dB(A) under free
field conditions at 7 m distance
– Sound power level (LW) complie with 84/533/EEC limits
Design data
Compressor
1. Number of compression stages
Engine
1. Make
2. Type
3. Coolant
4. Number of cylinders
5. Output according to DIN ISO 3046 IFN at normal shaft speed
Unit
1. Capacity of compressor oil system
2. Nett capacity of air receiver
3. Capacity of fuel tank
Unit dimensions
(with standard towbar)
Length
Width
Height
Weight (dry)
Outlet valve specifications
Number
3
1
I
NSTRUCTION
/
ENGINE SPECIFICATIONS
r/min
r/min
l/s
°C
mm
mm
mm
kg
M
ANUAL
XA(S)175 Dd
bar 1
% 0
°C 20
bar 12
2300-2390
1400
173
85
dB(A) 74
dB(A) 102
1
KHD
F6L913
OIL/AIR
6
kW 79
l 30
l 60
l 150
4380
1670
1530
1630
diameter
3/4"
1 1/2"
33