METHOD FOR CHECKING AND MAINTENANCE AIR CONDITIONER
(Machine with cab specification)
CHECK AND MAINTENANCE ITEMS
Some check and maintenance items of the air conditioner are to be performed periodically and the others are to
be performed when required. Perform the check and maintenance according to the following list, and use the air
conditioner effectively.
Check and maintenance
items
Content of check, maintenance
Guideline for maintenance interval
Refrigerant (gas)
Charge amount
Twice a year (spring, autumn)
Air conditioner condens-
er
Clogged fins
Every 500 hours
“METHOD FOR CHECKING AND CLEAN-
ING RADIATOR FINS, OIL COOLER FINS,
FUEL COOLER FINS, AND AIR CONDI-
TIONER CONDENSER FINS”
Air conditioner compres-
sor
Operating condition
Every 4000 hours
V-belt
Damage, tension
Every 250 hours
“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 air conditioner compressor.
MAINTENANCE PROCEDURE
MAINTENANCE
4-52
Содержание PC45MR-30403
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Страница 62: ...OPERATION Please read and make sure that you understand the SAFETY section before reading this section 3 1...
Страница 64: ...14 Engine rear cover 15 Cooling cover 16 Battery 17 KDPF OPERATION GENERAL VIEW 3 3...
Страница 310: ...MAINTENANCE Please read and make sure that you understand the SAFETY section before reading this section 4 1...
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Страница 412: ...SPECIFICATIONS 5 1...
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Страница 460: ...REPLACEMENT PARTS 7 1...
Страница 475: ...PC45MR 5 PC55MR 5 HYDRAULIC EXCAVATOR Form No TEN00763 04 2018 KOMATSU All Rights Reserved Printed in Japan 02 2018...