7.2　Transmission Gear Box with Distribution Chute

Ⅰ　Dominant Items

7.2.1　The installation of top flange shall meet the requirements in the design documents.And it shall meet the requirements in Table 5.9.5 when not specified.

Check quantity:full check.

Check method:check the installation quality records or check with levelling ruler，leveling instrument and level gauge.

7.2.2　The packing（backing）seal between the base of transmission gear box with distribution Chute and the butt flange face shall meet the requirements in the design documents.They shall be closely contacted.The connecting bolts shall be evenly fastened，while the fastening strength of bolts shall meet the requirements of design documents.

Check quantity:full check.

Check method:check the bolt fastening records or trial fastening by a wrench.

Ⅱ　General Items

7.2.3　The allowable installation deviation of transmission gear box with distribution Chute shall meet the requirements in Table 7.2.3.

Check quantity:full check.

Check method:see Table 7.2.3.

Table 7.2.3　Allowable installation deviation of transmission gear box with distribution chute（mm）