Replacement of 750m main inclined shaft tape、Replace the vibrating screen chute and lay wear-resistant lining board，Carry out deep cleaning of the ground silo and coal bunker...October 30，Hanjiawan Coal Company carried out a three-day overhaul of mechanical and electrical equipment，The sonorous and powerful chants of maintenance personnel on all fronts、The sound of clanging tools、The roar of the forklift，Interwoven into an exciting "symphony" of safety inspection。

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October 30, 2 pm，With the issuance of the production shutdown and maintenance order，Maintenance personnel quickly entered their respective posts，Various materials will be prepared in advance、Spare parts transported in place，Enter maintenance status in an orderly manner。

“The belt joint requires very precision，The length of the joint wire rope、The pressure of the pressure plate and the temperature of the vulcanizing machine, etc.，A little carelessness in any aspect，All have security risks。”It’s past 1 a.m.，Main inclined shaft alley，The maintenance staff are still busy，Wang Taiping, captain of the electromechanical operation team, reminds everyone M88 loginfrom time to time to put safety first。

The coal washing plant is also brightly lit，Foreman Song Yanping enters the bottom of the shallow tank，Working with the maintenance team staff to "operate" the chain replacement operation，Due to the limited space in the shallow tank, it requires bending for a long time，An extra pair of hands increases efficiency，Everyone cooperates closely，Carefully remove the bolts、Lifting the old chain...every link is in order，Every task is completed safely。

Every second counts to weave a "fine web"

In a neat "one、二、Three" chants are heard，Electromechanical Operation Team 3^-1Coal tunnel belt replacement site，The new belt is slowly lifted up，Everyone works together to carry it、Lifting，Carefully adjust the joint vulcanization position and angle，After 21 hours of joint efforts，Successfully completed the task of replacing the 200-meter belt。

“Electrical work must ensure that there are no dead ends in every link，Because there is no chance of trial and error。”Underground production shutdown for maintenance，Electricians play an important role，Jiang Xinchao, the leader of the comprehensive excavation team, and two electricians，sweating，Pulling all kinds of cables、Parts, etc.，Working on the power supply system of the coal transfer chamber, glue pouring tunnel and tunnel in the next group。They told the author，Tight maintenance time、Heavy task，Never lose the chain，M88 gameEvery effort must be made to ensure safe power supply。

Other side，Continuous mining team crusher maintenance site，Squad leader Wang Dongyuan is using the maintenance gap to clean the debris inside the crusher cavity and the floating coal from the double-arm anchor drilling rig。“We must seize this opportunity for maintenance，Do a good job in all aspects of maintaining equipment！"He said this。

Plow carefully and cultivate the “efficiency-increasing field”

“Although this old belt has reached the end of its life，But it would be a pity to just take it away and invalidate it，Keep it for cutting and recycling to make coal retaining skin。" said Song Yuanqing, leader of the maintenance team at the coal washing plant。Last days，Relevant department personnel of the company went to the scene，Instruct maintenance personnel to repair the vulnerable parts of the equipment if possible、Multiple uses，Extended service life，Maximize the utilization of waste materials，Thrifty from the little things，Reducing costs and increasing efficiency。

Winter is about to enter，The horn of coal supply guarantee sounded，The cleaning of ground silos and coal bunkers is directly related to the efficiency of loading trucks，Pull rope、Enter warehouse、Pry coal、Cleaning up... everyone is soaked with sweat，face covered in soot，But no one said they were tired，After 56 hours of cleaning，The ground silo and coal bunker have been completely cleaned up。

This maintenance is deployed in advance、Flip Chart Operation、Well organized，Creating good conditions for mine safety production and coal sales，The company’s decisive battle in the fourth quarter、Strive to complete the annual mission goals and provide a strong guarantee。（Yang Boyu）