Problem
Main causes
Remedy
Camera image is not displayed on
the monitor.
Defective wiring
Check and repair loose or discon-
nected connector or wire breakage.
(*)
Defective camera
Replace. (*)
Defective monitor
Replace. (*)
PHENOMENA AND ACTIONS FOR CHASSIS
• For the remedies indicated with (*) in the remedy column, always contact your Komatsu distributor.
• In cases of problems or causes which are not listed below, ask your Komatsu distributor for repairs.
Problem
Main causes
Remedy
Speed of travel, swing, boom, arm,
bucket is slow
Lack of hydraulic oil
Set oil to specified level. See
CHECKS BEFORE STARTING.
Pump generates abnormal noise.
(sucking in air)
Clogged element in hydraulic tank
strainer, lack of oil
Clean. See EVERY 2000 HOURS
MAINTENANCE.
Excessive rise in hydraulic oil temper-
ature
Dirty oil cooler
Clean. See EVERY 500 HOURS
MAINTENANCE.
Lack of hydraulic oil
Set oil to specified level. See
CHECKS BEFORE STARTING.
Track comes off.
Track too loose
Adjust track tension, see WHEN RE-
QUIRED.
Abnormal wear of sprocket
Track too loose
Adjust track tension, see WHEN RE-
QUIRED.
Boom rises slowly or does not rise.
Lack of hydraulic oil
Set oil to specified level. See
CHECKS BEFORE STARTING.
Does not swing.
Swing lock switch still applied
Turn swing lock switch OFF.
Swing brake system error
Check, adjust. (*)
When move of machine to safe place
is required, turn the swing parking
brake cancel switch to ON position
temporarily.
PHENOMENA AND ACTIONS FOR ENGINE RELATED PARTS
• Contact your Komatsu distributor for the remedies indicated with (*) in the remedy column.
• In cases of problems or causes which are not listed below, ask your Komatsu distributor for repairs.
TROUBLES AND ACTIONS
OPERATION
3-268
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...
Страница 24: ......
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...
Страница 344: ......
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...
Страница 474: ......
Страница 475: ...REPLACEMENT PARTS 7 1...
Страница 482: ......
Страница 491: ......
Страница 492: ...HB215LC 3 HYDRAULIC EXCAVATOR Form No UENAM01522 2019 KOMATSU All Rights Reserved Printed in Belgium 02 2019...