What should I check mechanically before the start-up tech powers on the RTU?

Verify that all internal construction shipping tie-down braces are completely cut out from the fan motor frames. Check that the drive belt alignment between the pulleys is straight and has the correct tension. Verify that the manual system balancing dampers are locked wide open, all building fire dampers are set open, clean air filters are installed, and the internal fan wheel turns freely by hand without scraping the casing.

['Verify that all internal construction shipping tie-down braces are completely cut out from the fan motor frames. Check that the drive belt alignment between the pulleys is straight and has the correct tension. Verify that the manual system balancing dampers are locked wide open, all building fire dampers are set open, clean air filters are installed, and the internal fan wheel turns freely by hand without scraping the casing.']

Stop if

• Use this as training guidance. The foreman, approved drawings, project specs, manufacturer installation instructions, employer safety policy, and AHJ/code requirements always control the final answer.

Check

• Verify that all internal construction shipping tie-down braces are completely cut out from the fan motor frames. Check that the drive belt alignment between the pulleys is straight and has the correct tension. Verify that the manual system balancing damper

Steps

• Verify that all internal construction shipping tie-down braces are completely cut out from the fan motor frames. Check that the drive belt alignment between the pulleys is straight...

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