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Komatsu Bulldozers D65EX,PX-12 : Every 250 Hours

Use this maintenance checklist for the proactive and preventive maintenance of your bulldozer. This has been proven to lower costs by catching small service issues before they blossom into giant repair headaches.
MaintainX
11/04/2022

Komatsu Bulldozers D65EX,PX-12 : Every 250 Hours

Use this maintenance checklist for the proactive and preventive maintenance of your bulldozer. This has been proven to lower costs by catching small service issues before they blossom into giant repair headaches.

    DRAIN WATER, SEDIMENT FROM FUEL TANK

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    LUBRICATING

    Power tilt dozer

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    Power tilt power pitch dozer

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    Angledozer

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    GREASE EQUALIZER BAR SIDE PIN (LEFT AND RIGHT, 2 PLACES EACH: TOTAL 4 PLACES)

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    REMARK

    CHECK OIL LEVEL IN FINAL DRIVE CASE, ADD OIL

    WARNING: The oil is at high temperature immediately after the machine has been operated. Walt for the oil to cool down before starting the operation.

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      CHECK OIL LEVEL IN HYDRAULIC TANK, ADD OIL

      WARNING: When removing the oil filler cap, oil may spurt out, so stop the engine and wait for the oil temperature to go down, then turn the cap slowly to release the internal pressure before removing the cap. If oil has been added to above the H mark, stop the engine and wait for the hydraulic oil to cool down, then drain the excess oil from the drain plug.

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        NOTICE

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        Lower the blade to the ground, stop the engine and wait for about 5 minutes before checking oil level. If oil level is between H and L in sight gauge G.

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          If the level is below the L mark, add engine oil through oil filler F.

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            CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE (D60P, 65EX, PX ONLY)

            WARNING: The oil is at high temperature after the engine has been operated, so never change the oil immediately after fin- ishing operations. Wait for the oil to cool down before changing it.

              WARNING: When draining the oil, do not remove drain plug P.

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                Prepare the following.

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                Before installing a filter cartridge, be sure to fill the cartridge with engine oil.

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                  NOTICE: Even if the machine has not been operated for 250 hours, the oil and filter cartridge must be replaced when the machine has been operated for 6 months. In the same way, even if the machine has not been oper- ated for 6 months, the oil and filter cartridge must be replaced when the machine has been operated for 250 hours.

                    CHECK LEVEL OF BATTERY ELECTROLYTE

                    Carry out this check before operating the machine.

                      WARNING: To avoid gas explosions, do not bring fire or sparks near the battery. Battery electrolyte is dangerous. If it gets in your eyes or on your skin, wash it off with large amounts of water, and consult a doctor.

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                        CHECK FAN BELT TENSION, ADJUST

                        Checking

                        Adjusting

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                        DRAIN WATER AND SEDIMENT FROM FUEL FILTER

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                        CHECK, CLEAN ADDITIONAL FUEL STRAINER

                        REPLACE POWER TRAIN OIL FILTER ELEMENT

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                        NOTICE: When installing seal 3, always close filter cover 1 first. If the filter cover is closed after the seal is installed, the seal will be damaged.

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                          CHECK BRAKE CAPACITY

                          Before starting the engine, check that the area around the machine is safe, then do as follows.

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                            NOTICE: Never place the gearshift lever in 1st. This will damage the machine.

                              Operate fuel control lever h and gradually raise the engine speed to high idling.

                                If the machine does not move when the above operation is carried out, the brake is normal.

                                Source: MaintainX (Community Member)

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