Turn off the main power supply of the automatic feeding concrete mixer, and assign a special person to watch, check and remove the residual dirt on the concrete inside and outside the mixer (carried out by the operator).

檢查所有攪拌刀、葉片臂的縮緊螺栓有無松動，檢查攪拌刀、葉片與襯板的間隙（2mm），大于4mm時必須進行調整。

Check whether the tightening bolts of all mixing knives and blade arms are loose, and check the gap (2mm) between mixing knives, blades and lining plate. If it is greater than 4mm, it must be adjusted.

檢查、加添，減速箱、卸料閘門油泵、攪拌軸軸頭油位，監視鏡內的油位要多于1/2。給各部位加注潤滑脂。

Check and add the oil level of reduction gearbox, discharge gate, oil pump and mixing shaft head, and the oil level in the monitoring mirror shall be more than 1 / 2. Fill all parts with grease.

檢查氣路系統，空壓機機油、安全閥、壓力表。排放氣水分離器積水。氣路系統應無漏氣漏油現象。

Check the air circuit system, air compressor oil, safety valve and pressure gauge. Drain the accumulated water in the gas-water separator. The gas circuit system shall be free of air and oil leakage.

檢查調整皮帶輸送機各部位聯接緊固螺栓、托棍，清掃器工作是否正常，皮帶有無蛇形和跑偏現象。

Check and adjust whether the connecting fastening bolts, supporting rods and sweepers at all parts of the belt conveyor work normally, and whether the belt has snake shape and deviation.

檢查水路、外加劑管路有無滲漏現象，電機及泵工作是否正常。

Check whether the water circuit and admixture pipeline have leakage, and whether the motor and pump work normally.

檢查螺旋輸送機工作狀況，加添齒輪油、潤滑脂。

Check the working condition of screw conveyor and add gear oil and grease.

檢查骨料計量秤電磁閥、氣缸及出料門工作是否正常，加注潤滑脂。

Check whether the solenoid valve, cylinder and discharge door of aggregate metering scale work normally, and add grease.

機修工要積極配合輔工進行主機清理作業。

The mechanic shall actively cooperate with the auxiliary workers to clean the main engine.

機修工接到輔工清理作業檢查驗收通知后，要立即進機檢查驗收，不得借故推托。

After receiving the inspection and acceptance notice of auxiliary workers' cleaning operation, the mechanic shall immediately enter the machine for inspection and acceptance without any excuse.

檢查驗收要認真、徹底、不留死角。驗收不合格，要告知輔工或攪拌站長，不合格的部位和存在的問題，待重新清理后，再次檢查驗收。

The inspection and acceptance shall be serious, thorough and free of dead corners. If the acceptance is unqualified, inform the auxiliary workers or the head of the mixing plant that the unqualified parts and existing problems shall be inspected and accepted again after re cleaning.

機修工檢查、驗收時要認真檢查襯板有無破裂，刀、臂有無損傷和松動。并在記錄表上簽字確認，備查。

During inspection and acceptance, the mechanic shall carefully check whether the lining plate is broken and whether the knife and arm are damaged and loose. And sign on the record sheet for confirmation for future reference.

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