Invacare 6499BHD Manual page 5

FIGURE 2 - INSTALLING/REMOVING THE LID, SEAT AND LID PAD
INSTALLING/REMOVING THE PAN (FIGURE 3)
WARNING
The pan MUST be removed from the commode BEFORE lifting the
seat.
When installing/removing the pan, ALWAYS use one hand to push
/pull the pan and one hand to support the pan bottom. Otherwise
injury or damage may occur.