Atlas Copco QAS 275-325, Instruction Manual

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Contents
Safety precautions for portable
generators
......................................................6
Leading particulars .....................................13
General description ................................13
Bodywork ................................................15
Markings..................................................15
Drain plugs and filler caps .....................16
External fuel tank connection ................16
Control and indicator panel Qc1002™ ..16
Control and indicator panel Qc2002™ ..26
Control and indicator panel Qc4002™ ..39
Output terminal board ...........................57
Dual frequency........................................58
Battery switch .........................................58
Spillage free frame .................................58
Operating instructions
...............................59
Installation...............................................59
Connecting the generator ......................60
Before starting ........................................61
Operating Qc1002™ ...............................61
Operating Qc2002™ ...............................62
Operating Qc4002™ ...............................64
Maintenance ................................................65
Maintenance schedule ...........................65
Engine maintenance...............................67
(*) Measuring the alternator
insulation resistance...............................67
Engine fuel specifications ......................67
Engine oil specifications ........................67
Engine oil level check .............................68
Engine oil and oil filter change..............68
Engine coolant specifications ................69
Coolant check..........................................70
Storage of the generator ...........................71
Storage ....................................................71
Preparing for operation after storage ...71
Checks and trouble shooting ....................72
Checking voltmeter P4 ...........................72
Checking ammeters P1, P2 and P3........72
Engine troubleshooting..........................72
Alternator troubleshooting ....................73
Options available for QAS 275-325
Volvo units
...................................................74
Circuit diagrams......................................74
Overview of the electrical options.........74
Description of the electrical options .....74
Overview of the mechanical options ....78
Desciption of the mechanical options...78
Technical specifications
.............................79
Technical specifications for
QAS 275 units .........................................79
Technical specifications for
QAS 325 units .........................................84
Conversion list of SI units into
British units .............................................89
Dataplate .................................................89
Disposal .................................................... 90
Congratulations on the purchase of your AC generator. It is a solid, safe and reliable machine, built according to the latest technology. Follow the instructions in this
booklet and we guarantee you years of troublefree operation. Please read the following instructions carefully before starting to use your machine.
While every effort has been made to ensure that the information in this manual is correct, Atlas Copco does not assume responsibility for possible errors. Atlas Copco
reserves the right to make changes without prior notice.