Instruction Manual
38 
with  the  outside  air  hood  in  the  open 
position. 
Before lifting unit, be sure that all shipping 
material has been removed from unit. Secure 
hooks and cables at  all  lifting points / lugs 
provided on the unit. 
Hoist unit to a point directly above the curb 
and  duct  openings.  Be  sure  that  the  gasket 
material has been applied to curb. 
Carefully  lower  and  align  the  unit  with 
utility  and duct  openings.  Lower  the  unit 
until the unit skirt fits around the curb. Some 
units  are  designed  to  overhang  the  curb. 
Take care  that  any recessed  base rails  fit 
around  the  curb.  Make  sure  the  unit  is 
properly  seated  on  the  curb  and  is  level.
Figure 10 - Lifting Details of a 6-25 and 30 ton Standard or Power Exhaust Unit 










