Komatsu Hydraulic Excavator PC400LC-6

Ensure the engine is cold before checking the coolant level

Is it necessary to open the radiator cap?

Check that the cooling water level is between the FULL and LOW marks on the radiator reserve tank

Add water through the water filler of reserve tank to the FULL level if the water level is low

Tighten the caps securely after adding water

Be cautious of the turbocharger and exhaust manifold near dipstick Ⓖ

Open the engine hood on the machine

Remove dipstick Ⓖ and wipe the oil off with a cloth

Insert dipstick Ⓖ fully in the oil filler pipe, then take it out again

Check if the oil level is between the H and L marks on dipstick Ⓖ

Is the oil level below the L mark?

Is the oil level above the H mark?

Ensure the engine is turned off before starting the procedure

Is the air cleaner clogging monitor flashing?

Open the engine hood and loosen the wing nut and band to remove the cover

Remove the wing nut and take out the element

Cover the air connector end of the air cleaner body with tape or a clean cloth to prevent dirt or dust from entering

Is there air in the window washer fluid?

Check the level of the fluid in the window washer tank ①

Is it necessary to add automobile window washer fluid?

Add automobile window washer fluid if necessary

Select the freezing temperature type for washer fluid

Describe the proportion for mixing washer fluid with water based on ambient temperature

NOTICE: For the first 100 hours on new machines, carry out greasing every 10 hours

Set the work equipment in the greasing posture, lower it to the ground, and stop the engine

Pump in grease through the grease fittings using a grease pump

Wipe off any old grease that was pushed out after greasing