Powerware 9170+ - Manual (Page 80)

Maintenance
76 Powerware ® 9170 User's Guide S LTM-1344 B Uncontrolled Copy
4. Insert a replacement module by sliding it carefully into the
cabinet. Lower the front down slightly and lift the rear edge
over the safety stop on the center support rail. Keep the module
handle extended until the module is fully inserted.
5. Push the module in firmly. Raise the power module handle to
secure the module into the cabinet. Be sure the handle latch
snaps into place. Tighten the thumbscrew on the handle.