INSTRUCTION MANUAL
3
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217(176
Safety precautions for portable generators...............4
Leading particulars...........................................................8
General description...........................................................8
Bodywork........................................................................10
Markings.........................................................................10
Drain plugs and filler caps ..............................................10
Control and indicator panel.............................................10
Output terminal board.....................................................12
Operating instructions...................................................13
Installation.......................................................................13
Connecting the generator ...............................................14
Before starting ................................................................15
Starting ...........................................................................15
During operation .............................................................16
Stopping..........................................................................16
Maintenance .....................................................................17
Maintenance schedule....................................................17
Engine maintenance.......................................................17
(*) Measuring the alternator insulation resistance ..........17
Storage of the generator...............................................18
Storage ...........................................................................18
Preparing for operation after storage..............................18
Checks and trouble shooting ......................................18
Checking voltmeter P4....................................................18
Checking frequencymeter P5 .........................................18
Checking ammeter P1, P2 and P3 .................................18
Alternator trouble shooting..............................................19
Engine trouble shooting..................................................19
Options available for QAS28 units.............................21
Circuit diagrams..............................................................21
Overview of the electrical options...................................21
Description of the electrical options................................21
Overview of the mechanical options...............................28
Description of the mechanical options............................28
Technical specifications ...............................................29
Readings on gauges.......................................................29
Settings of switches........................................................29
Specifications of the engine/alternator/unit.....................29
Specifications of the options...........................................30
Conversion list of SI units into British units.....................30
Dataplate ........................................................................31
Congratulations on the purchase of your QAS28 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 ma-
chine.
While every effort has been made to ensure that the information
in this manual is correct, Atlas Copco does not assume respon-
sibility for possible errors. Atlas Copco reserves the right to
make changes without prior notice.
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