MAINTENANCE PROCEDURE
INITIAL 250 HOURS MAINTENANCE (ONLY AFTER THE FIRST 250
HOURS)
As the 1st maintenance of a new machine, perform the following maintenance after operating initial 250 hours.
• Replacement of power train oil filter element (500 hours maintenance)
• Replacement of power train case oil and cleaning of power train pump strainer and scavenging pump
strainer (1000 hours maintenance)
• Replacement of final drive case oil (1000 hours maintenance)
• Replacement of hydraulic oil, replacement of hydraulic oil filter element (2000 hours maintenance)
For the maintenance method, see 500 hours maintenance, 1000 hours maintenance, and 2000 hours mainte-
nance.
WHEN REQUIRED
METHOD FOR CHECKING, CLEANING AND REPLACING AIR CLEANER
WARNING
• If inspection, cleaning, or maintenance is performed while the engine is running, dust enters into
the engine and damages it. Be sure to stop the engine before performing these works.
• When using compressed air, there is a danger that dirt may scatter and cause personal injury. Al-
ways wear protective equipment such as protective eyeglasses and dust mask.
• When working in high places or where the foothold is poor, be careful not to fall because of the re-
action when pulling out the element.
METHOD OF CHECKING
NOTICE
Do not clean the element before the yellow piston of dust
indicator (1) laps over peripheral red zone (A) or before air
cleaner clogging caution lamp (B) lights up.
If the element is cleaned frequently before the yellow pis-
ton of dust indicator (1) laps over the peripheral red zone
(A) or before air cleaner clogging caution lamp (B) lights
up, the air cleaner cannot display its normal performance
and the cleaning effect decreases.
In addition, the frequency of dust stuck to the element fall-
ing inside the inner element during the cleaning operation
will increase.
MAINTENANCE MAINTENANCE PROCEDURE
4-15
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