6.15　Heat Crusher

Ⅰ　Dominant Item

6.15.1　Hydraulic test together with pipelines for water cooling ratchet roll and gear rack must be carried out after installation，and meet design requirements.If no requirements in design，the test pressure shall be 1.5times of working pressure.The test pressure is maintained for 10min，and then drops to working pressure and is maintained for 30min；The test is qualified if no pressure drop and no leakage.

Check quantity:to check all.

Inspection method:to check pressure test records，to inspect.

Ⅱ　General Item

6.15.2　Adjustment for spring compression of coupling with constant torque shall meet requirements of design technical document.

Check quantity:to check all.

Inspection method:to check installation quality records.

6.15.3　Gear subassembly of gearing device shall meet requirements of design technical document or requirements in current national standard GB 50231 General Code for Construction and Acceptance of Mechanical Equipment Installation Engineering.

Check quantity:to check all.

Inspection method:to check with fill gauge，dye，lead extrusion.

6.15.4　Coupling installation of gearing device shall meet requirements of design technical document or requirements in current national standard GB 50231 General Code for Construction and Acceptance of Mechanical Equipment Installation Engineering.

Check quantity:to check all.

Inspection method:to check with fill gauge，dye，lead extrusion.

6.15.5　Tolerance for installation of heat crusher shall meet requirements in Table 6.15.5.

Check quantity:to check all.

Inspection method:see Table 6.15.5.

Table 6.15.5　Tolerance for installation of heat crusher