Komatsu PC390LC-10 Shop Manual page 49

FOREWORD
HANDLING OF INTAKE SYSTEM PARTS
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The Komatsu Variable Geometry Turbocharger (KVGT) consists of more precise parts (variable mechanism) than the
conventional turbocharger. If foreign matter enters this system, it can cause a problem. Use special care to prevent entry of
foreign matter when servicing the air intake system.
Be careful of the work environment
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Avoid repairing the machine in rain or high winds, or at places where there is a lot of dust.
Sealing openings
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Install a cap, tape, plastic bag, etc. to the open ends of disconnected piping to prevent entry of foreign matter. Never leave
the openings uncovered nor plug the openings with rags. Foreign matter will enter the system.
PC360/390LC-10
HANDLING OF INTAKE SYSTEM PARTS
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