10.4　Installation of Coke Pushing Device

10.4.1　Before the installation of coke pushing device，the coke pushing center mark which is authorized is set on the platform beam.

10.4.2　Carrier roller，speed reducer，motor and eddy brake shall flexibly rotate and have no jamming.

10.4.3　The adjusting shim plate shall be accurate in position，and shall be cushioned compactly.

10.4.4　The radial displacement of two axes of coupling assembly，the slopes of two axes and gaps of end face shall meet the requirements of design documents and Code for Construction and Acceptance of Mechanical Equipment Installation Work GB 50231 as national standard.

10.4.5　The meshed gap of gears and racks and spots of contact surface shall be detected in the lead extrusion method and coloring method，and the assembly accuracy shall meet the requirements of design documents and Code for Construction and Acceptance of Mechanical Equipment Installation Work GB 50231 as national standard.

10.4.6　The allowable deviation of the orthogonality of the center lines of rails on oven side of the coke pusher and the center line of coke pushing ram shall be 0.1/1000.

10.4.7　The down-warping value of the coke pushing ram which stretches out fully shall meet the requirements of design documents.

10.4.8　The installation of bearing roller shall be in compliance with the following requirements:

1　The center of bearing roller is adjusted，and allowable deviation shall be 1.0mm；

2　The elevation of bearing roller is adjusted，and allowable deviation shall be±3.0mm，and the relative height difference of each bearing roller shall not larger than 1.0mm；

3　The height difference of the same roller surface is adjusted，and allowable deviation shall be 0.5mm.

10.4.9　The installation of coke pushing ram shall be in compliance with the following requirements:

1　The side sway of coke pushing ram is adjusted，and allowable deviation shall be 8.0mm；

2　The center line of coke pushing ram is adjusted，and allowable deviation shall be 1.0mm；

3　The perpendicularity of coke pushing head is adjusted，and allowable deviation shall be 8.0mm；

4　The gap of rack joint is adjusted，and allowable deviation shall be 0.2mm；

5　The staggering of rack joint is adjusted，and allowable deviation shall be 1.0mm.