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Home›Engines›Atlas Copco Qc1001

Atlas Copco Qc1001 Engine

The Atlas Copco Qc1001 is an engine. It powers generator sets from Atlas Copco, including the QAS 38, QAS 38 YdS TNV and QAS 38 YdS TNV USA.

Also known as: Atlas Copco Qc1001

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Engine specifications

Generator sets powered by this engine

3
Atlas Copco QAS 38Atlas Copco QAS 38 YdS TNVAtlas Copco QAS 38 YdS TNV USA

How to read your Atlas Copco engine serial & model number →

Common problems

14
  • The engine does not start or is difficult to start
    Cause: Starter motor turns engine too slowly
  • Not enough power
    Cause: Restriction in a fuel pipe
  • Misfire
    Cause: Restriction in a fuel pipe
  • High fuel consumption
    Cause: Restriction in air filter/cleaner or induction system
  • The starter motor turns the engine too slowly
    Cause: Battery capacity too low
  • The pressure of the lubricating oil is too low
    Cause: Wrong grade of lubricating oil
  • Lower than rated voltage at load.
    Cause: Voltage potentiometer out of setting.
    Fix: Reset voltage potentiometer.
  • Low voltage at no load.
    Cause: Voltage potentiometer out of setting.
    Fix: Reset voltage.
  • Higher than rated voltage at load.
    Cause: Voltage potentiometer out of setting.
    Fix: Reset voltage potentiometer.
  • Black exhaust smoke
    Cause: Restriction in air filter/cleaner or induction system
  • Alternator does not excite.
    Cause: Blown fuse.
    Fix: Replace fuse.
  • Unstable voltage.
    Cause: Speed variation in engine.
    Fix: Check regularity of rotation.
  • High voltage at no load.
    Cause: Voltage potentiometer out of setting.
    Fix: Reset voltage.
  • After being excited alternator does not excite.
    Cause: Connections are interrupted.
    Fix: Check connection cables as per attached drawings.

Compiled from service & troubleshooting documentation across every generator set that uses the Atlas Copco Qc1001.

Maintenance schedule

ItemSpecCapacityPart #Interval
Air filterClean, Replace—500 hr
Fuel filter—250 hr
Oil filter—500 hr
BatteryReplace—2000 hr
Belt—500 hr
CoolantCheck21.38 USgal—2000 hr
Coolant filter—
Oil15W40—2000 hr
Spark plug—500 hr

Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.

Repair guides

8

Step-by-step procedures compiled from the Atlas Copco service manual for this engine.

Common questions

Which generators use the Atlas Copco Qc1001 engine?

The Atlas Copco Qc1001 powers 3 generator set(s), including Atlas Copco QAS 38, Atlas Copco QAS 38 YdS TNV, Atlas Copco QAS 38 YdS TNV USA.

How often should you change the oil in the Atlas Copco Qc1001?

The Atlas Copco Qc1001 oil change interval is every 2000 hours.

What is a common problem with the Atlas Copco Qc1001 engine?

A commonly reported issue on generators using the Atlas Copco Qc1001 is: The engine does not start or is difficult to start. Cause: Starter motor turns engine too slowly.