Komatsu D475A-5E0 Operation & Maintenance Manual page 148

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OPERATION
CHECK DAMPER CASE OIL LEVEL, ADD OIL
1. Remove dipstick (G), and wipe the oil off with a cloth.
2. Fully insert dipstick (G) into dipstick pipe, then remove it.
3. The oil level should be between H and L marks on dipstick (G).
If the oil is below L mark, add oil through the dipstick holder.
4. If the oil is above the H mark, drain the excess oil from drain
plug. After draining the oil, check the oil level again.
REMARK
Check the oil level with the engine stopped.
When checking the oil level, if the machine is at an angle, move it to a horizontal position before checking.
CHECK BRAKE PEDAL TRAVEL
Drive the machine, depress the brake pedal, and check that the machine stops.
CHECK DUST INDICATOR
1. Check for the yellow piston overlapping red zone (A) on dust
indicator (1).
2. If the yellow piston is overlapping red zone (A), clean or replace
the element immediately.
For details of the method of cleaning the element, see
"CHECK, CLEAN AND REPLACE AIR CLEANER ELEMENT
(PAGE 4-25)".
3. After checking, cleaning, and replacing, press the knob of dust
indicator (1) to return the yellow piston to its original position.
In environments where the rubber deteriorates quickly or the
surface becomes damaged (in direct sunlight, dusty areas,
etc.), replace before it becomes dirty and it becomes difficult
to judge the condition.
OPERATION
3 - 95

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