62 MAINTENANCE
C Air-conditioner
First operation
*1 When using a hydraulic hammer, change hydraulic oil and return filter according to the table on "Hydraulic Oil
Change (Including Exchange of the Suction Filter in the Hydraulic Tank) under "EVERY 1000 SERVICE HOURS" in the
chapter "REGULAR CHECKS AND MAINTENANCE WORK".
*2 Clean and replace the air filter more frequently if used under dusty conditions. When the filter is very dirty from dusty
conditions, replace the filter.
*3 Replace only if necessary.
*4 Consult your local KUBOTA dealer for this service.
A The items listed above (@ marked) are registered as emission related critical parts by KUBOTA in the U.S.EPA non-
road emission regulation. As the engine owner, you are responsible for the performance of the required
maintenance on the engine according to the above instruction. Please see the warranty Statement in detail.
No. Check points Measures
Hour meter indicator
Interval
Ref.
page
50 100 150 200 250 300 350 400 450
1 Air filter
clean every 200 hrs 76 *2
replace every 1000 hrs - *2
2 Air conditioner condenser clean every 200 hrs 77
3 Air conditioner pipes and hoses
check every 1 year 83
replace every 2 years 84
4 Refrigerant (gas) check
service as
required
86
No. Check points Measures
Hour meter indicator
Interval
Ref.
page
500 550 600 650 700 750 800 1000
1 Air filter
clean every 200 hrs 76 *2
replace every 1000 hrs - *2
2 Air conditioner condenser clean every 200 hrs 77
3 Air conditioner pipes and hoses
check every 1 year 83
replace every 2 years 84
4 Refrigerant (gas) check
service as
required
86
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