
Check and mainte-
nance items
Content of check and mainte-
nance
Guideline for maintenance interval
Air conditioner con-
denser
Clogged fins
Every 500 hours
See “METHOD FOR CHECKING AND CLEAN-
ING RADIATOR FINS FOR ENGINE AND HY-
BRID COMPONENTS, OIL COOLER FINS, AF-
TER COOLER FINS, AND AIR CONDITIONER
CONDENSER FINS”
Compressor
Operating condition
Every 4000 hours
V-belt
Damage, tension
Every 250 hours
See “METHOD FOR CHECKING AND ADJUST-
ING AIR CONDITIONER COMPRESSOR BELT
TENSION”.
Blower motor, fan
Operating condition (Check for un-
usual noise)
When required
Control mechanism
Operating condition (Check that
function is normal)
When required
Piping mounts
Mounting condition, looseness at
tightening or connecting portions,
leakage of gas, damage
When required
Even during the off-season, operate the air conditioner for 3 to 5 minutes once a month to maintain the oil film at
all parts of the compressor.
CHECK LEVEL OF REFRIGERANT (GAS)
k
k
WARNING
If the refrigerant used in the air conditioner gets into your eyes or is splashed on your hands, it may
cause loss of sight or frostbite. Never touch the refrigerant.
Do not loosen any part of the refrigerant circuit.
Do not bring any open flame close to any point where the refrigerant gas is leaking.
If the level of the refrigerant (gas) is low, the cooling effect will be reduced. Perform the check while running the
engine at full throttle and operating the air conditioner at high speed.
Check the condition of the refrigerant gas (Hydrofluorocarbons
HFC-134a) that circulates the refrigerant circuit, through the
sight glass (1) (inspection window) at the refrigerant hose fit-
ting.
MAINTENANCE PROCEDURE
MAINTENANCE
4-34
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...