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METHOD FOR CHECKING WATER PUMP
Check around the water pump for oil leakage and water leak-
age.
If any problem is found, contact your Komatsu distributor to
have the parts disassembled, repaired, or replaced.
METHOD FOR CHECKING STARTING MOTOR
Ask your Komatsu distributor to have the starting motor checked.
If the engine is started frequently, have this inspection performed every 1000 hours.
METHOD FOR REPLACING ACCUMULATOR (FOR CONTROL CIRCUIT)
k
k
WARNING
The accumulator is charged with high-pressure nitrogen gas, so improper operation may cause an ex-
plosion, which will lead to serious injury or death. For handling, always observe the following.
• The pressure in the hydraulic circuit cannot be completely removed. When removing the hydraulic
equipment, do not stand in the direction that the oil spurts out when performing the operation. In
addition, loosen the bolts slowly when performing the work.
• Do not disassemble.
• Do not bring open flame close to it or do not dispose of it in fire.
• Do not perform drilling, welding or flame-cutting.
• Do not hit or roll it, or subject it to any impact.
• When disposing of it, the gas must be released. Ask your Komatsu distributor to have this work per-
formed.
NOTICE
If the nitrogen gas charge pressure in the accumulator is low and operations are continued, it becomes
impossible to release the remaining pressure inside the hydraulic circuit if a failure occurs on the ma-
chine.
Replace the accumulator every 2 years or every 4000 hours, whichever comes sooner. Ask your Komatsu dis-
tributor for replacement.
MAINTENANCE
MAINTENANCE PROCEDURE
4-81
Содержание HB215LC-3
Страница 2: ......
Страница 11: ...Do not jump down from the cab or machine Do not repeatedly handle and lift loads FOREWORD VIBRATION LEVEL 1 9...
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Страница 27: ...LOCATION OF SAFETY LABELS SAFETY SAFETY LABELS 2 3...
Страница 72: ......
Страница 73: ...OPERATION Please read and make sure that you understand the SAFETY section before reading this section 3 1...
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Страница 345: ...MAINTENANCE Please read and make sure that you understand the SAFETY section before reading this section 4 1...
Страница 359: ...Fuel main fil ter cartridge Replace Replace Replace Replace MAINTENANCE MAINTENANCE SCHEDULE 4 15...
Страница 431: ...SPECIFICATIONS 5 1...
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Страница 475: ...REPLACEMENT PARTS 7 1...
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Страница 492: ...HB215LC 3 HYDRAULIC EXCAVATOR Form No UENAM01522 2019 KOMATSU All Rights Reserved Printed in Belgium 02 2019...