Atlas Copco QAS 150-200 Cud, Instruction Manual

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Overview of the mechanical
options
The following mechanical options are available for
the QAS 150-200 and QAS 170-220 units:
– External fueltank connection (with/without quick
couplings)
– Undercarriage (axle, towbar, towing eyes)
– Skid fueltank
– Integrated spark arrestor
– Air inlet shut-off valve
Description of the mechanical
options
External fueltank connection (with/
without quick couplings)
The option external fueltank connection allows to
bypass the internal fueltank and to connect an
external fueltank to the unit.
View outside
View inside
When using this option, make sure to connect the fuel
supply line as well as the fuel return line. Connections
to fuellines ought to be air-tight to prevent air from
entering the fuel system. Turn the handle of 3-way
valve to desired condition.
EFT External fuel tank feed connection
EFR External fuel tank return connection
EFT EFR
EFT EFR
Internal fuel: Indicates that
the fuel supply line to the
engine is connected to the
internal fueltank.
External fuel: Indicates that
the fuel supply line to the
engine is connected to the
external fueltank.