Komatsu WA800-3E0, Руководство по эксплуатации и техническому обслуживанию

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SERVICE PROCEDURE
MAINTENANCE
4-78
REPLACE BRAKE OIL TANK BREATHER 4
WARNING
q
The parts and oil are at high temperature immediately after the engine is stopped, and may cause
burns. Wait for the temperature to go down before starting the work.
q
When removing the oil filler cap, turn it slowly to release the internal pressure, then remove it.
1. Open the cover on top of the platform on the left side of the
cab.
2. Loosen bolt (1) at the top of the cap.
3. Remove the cap and take out the element.
4. Coat O-ring of the new element with grease, then install.
5. Align the cap with indent or protrusion of the body, then
tighten bolt (1).
6. Close the cover on top of the platform on the left side of the
cab.
REPLACE ELEMENT IN AIR CONDITIONER RECIRCULATION AIR FILTER, FRESH AIR
FILTER
4
Remove both the recirculation air filter and fresh air filter in the same way as when cleaning, and replace them with
new parts.
For details of cleaning the recirculation air filter, see “CLEAN ELEMENT IN AIR CONDITIONER RECIRCULA-
TION FILTER (4-53)“.
For details of cleaning the fresh air filter, see “CLEAN ELEMENT IN AIR CONDITIONER FRESH AIR FILTER (4-
48)“.
CLEAN PPC CIRCUIT STRAINER 4
1. Remove 3 bolts (1) of the PPC circuit strainer.
2. Remove the strainer case and pull out the strainer, then
wash the strainer with clean diesel fuel.
3. Install the strainer in the strainer case, and install it with
bolts (1).
4. Put bucket control lever in TILT position and lift arm control
lever in FLOAT position, and after cylinder reaches stroke
end, keep in that position for one minute.
5. Put bucket control lever in DUMP position and lift arm con-
trol lever in RAISE position, and after cylinder reaches
stroke end, keep in that position for one minute.
6. Bleed the air from the hydraulic circuit. For details, see “BLEEDING AIR FROM PPC CIRCUIT (4-36)“.