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Atlas Copco QAS38 User Manual

Atlas Copco QAS38
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QAS38 YdS TNV
18 2954 9020 00
6.5.4 Misfire
Restriction in a fuel pipe.
Fault in fuel lift pump.
Dirty fuel filter element.
Air in fuel system.
Fault in atomizers or atomizers of an incorrect type.
Fault in cold start system.
Engine temperature is too high.
Incorrect valve tip clearances.
6.5.5 The pressure of the lubricating oil is
too low
Wrong grade of lubricating oil.
Not enough lubricating oil in sump.
Defective gauge.
Dirty lubricating oil filter element.
6.5.6 High fuel consumption
Restriction in air filter/cleaner or induction system.
Fault in atomizers or atomizers of an incorrect type.
Fault in cold start system.
Wrong type or grade of fuel used.
Restricted movement of engine speed control.
Restriction in exhaust pipe.
Engine temperature is too low.
Incorrect valve tip clearances.
6.5.7 Black exhaust smoke
Restriction in air filter/cleaner or induction system.
Fault in atomizers or atomizers of an incorrect type.
Fault in cold start system.
Wrong type or grade of fuel used.
Restriction in exhaust pipe.
Engine temperature is too low.
Incorrect valve tip clearances.
Engine overload.
6.5.8 Blue or white exhaust smoke
Wrong grade of lubricating oil.
Fault in cold start system.
Engine temperature is too low.
6.5.9 The engine knocks
Fault in fuel lift pump.
Fault in atomizers or atomizers of an incorrect type.
Fault in cold start system.
Wrong type or grade of fuel used.
Engine temperature is too high.
Incorrect valve tip clearances.
6.5.10 The engine runs erratically
Fault in fuel control.
Restriction in a fuel pipe.
Fault in fuel lift pump.
Dirty fuel filter element.
Restriction in air filter/cleaner or induction system.
Air in fuel system.
Fault in atomizers or atomizers of an incorrect type.
Fault in cold start system.
Restriction in fuel tank vent.
Restricted movement of engine speed control.
Engine temperature is too high.
Incorrect valve tip clearances.
6.5.11 Vibration
Fault in atomizers or atomizers of an incorrect type.
Restricted movement of engine speed control.
Engine temperature is too high.
Fan damaged.
Fault in engine mounting or flywheel housing.
6.5.12 The pressure of the lubricating oil is
too high
Wrong grade of lubricating oil.
Defective gauge.
6.5.13 The engine temperature is too high
Restriction in air filter/cleaner or induction system.
Fault in atomizers or atomizers of an incorrect type.
Fault in cold start system.
Restriction in exhaust pipe.
Fan damaged.
Too much lubricating oil in sump.
Restriction in air or water passages of radiator.
Insufficient coolant in system.
6.5.14 Crankcase pressure
Restriction in breather pipe.
Vacuum pipe leaks or fault in exhauster.
6.5.15 Bad compression
Restriction in air filter/cleaner or induction system.
Incorrect valve tip clearances.
6.5.16 The engine starts and stops
Dirty fuel filter element.
Restriction in air filter/cleaner or induction system.
Air in fuel system.
6.5.17 The engine shuts down after approximately
15 seconds
Bad connection towards oil pressure switch/coolant temperature
switch.
DIP switch on back of module wrong positioned.

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Atlas Copco QAS38 Specifications

General IconGeneral
BrandAtlas Copco
ModelQAS38
CategoryPortable Generator
LanguageEnglish

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