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For the check of oil level and the installation procedure of the oil filler cap, see “METHOD FOR CHECKING
OIL LEVEL IN HYDRAULIC TANK, ADDING OIL (3-149)”.
12. Bleed air from the hydraulic circuit.
For the air bleeding procedure of hydraulic circuit, see “METHOD FOR BLEEDING AIR FROM HYDRAUL-
IC CIRCUIT (4-39)”.
13. Install undercovers (1) and (2).
EVERY 8000 HOURS MAINTENANCE
Maintenance for every 50, 250, 500, 1000, 2000 and 4000 hours service should be performed at the same time.
METHOD FOR REPLACING ENGINE HIGH-PRESSURE PIPING CLAMP
Special techniques and tools are required for this work.
Ask your Komatsu distributor for replacement of the engine high-pressure piping.
METHOD FOR REPLACING FUEL SPRAY PREVENTION CAP
Ask your Komatsu distributor for replacement of the fuel spray prevention caps.
EVERY 9000 HOURS MAINTENANCE
Maintenance for every 50, 250, 500, 1000 and 4500 hours service should be performed at the same time.
METHOD FOR REPLACING DEF HOSE
Ask your Komatsu distributor for replacement of the DEF hose.
METHOD FOR REPLACING FUEL SPRAY PREVENTION CAP ON FUEL DOSER
PIPING
Special techniques and tools are required for this work.
Ask your Komatsu distributor for replacement of the fuel spray prevention cap on fuel doser.
END OF SERVICE LIFE
• For safe dismantling of the machine at the end of service life, please contact your Komatsu distributor.
MAINTENANCE PROCEDURE
MAINTENANCE
4-80
Summary of Contents for PC490-11
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Page 25: ...LOCATION OF SAFETY LABELS a b c d e f g h KS000848 T T SAFETY SAFETY LABELS 2 5...
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Page 421: ...SPECIFICATIONS 5 1...
Page 425: ...6 7m Boom PC490 11 SPECIFICATIONS SPECIFICATIONS 5 5...
Page 426: ...6 7m Boom PC490LC 11 SPECIFICATIONS SPECIFICATIONS 5 6...
Page 428: ...7 1m Boom PC490 11 SPECIFICATIONS SPECIFICATIONS 5 8...
Page 429: ...7 1m Boom PC490LC 11 SPECIFICATIONS SPECIFICATIONS 5 9...
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Page 475: ...REPLACEMENT PARTS 7 1...
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