BLEEDING AIR FROM CIRCUIT BLEEDING AIR FROM CIRCUIT BLEEDING AIR FROM POC CIRCUIT BLEEDING AIR FROM BRAKE HYDRAULIC CIRCUIT Remove piping of POC circuit, or when removing strainer, after assembling, bleed air from inside of the circuit as follows: 1) Put bucket control lever in TILT position and boom control lever in FLOAT position, and after cylinder reaches stroke end, keep in that position for one minute. 2) Put bucket control lever in DUMP position and boom control lever in RAISE position, and after cylin- der reaches stroke end, keep in that position for one minute. + For details, contact your Komatsu Distribor.
hydraulic circuit, bleed air from coming out of air bleeder plug After removing piping of brake 3. Repeat until air bubbles stop * After assembling the piping, be and fit cap. _ inside of the circuit as follows: (A). After bleeding air, close plug sure to check that the connectors * Bleed air at 4 locations. 1. are not loose. * After bleeding air, check the oil Remove the cap of air bleeder level in the brake oil tank. If it is 2. Depress brake pedal, loosen air bleeder plug (A) about 3/4 of a A Never use the vegetable oil. plug (A). insufficient, add engine oil. turn and after closing plug, release pedal. - 70 - ww-02054