Coleman 9943 Series 9943-780 Assembly Instructions Manual page 23

Assemble the SIDE TRAYS to the grill.
Step
21
21-A
Side Tray
Side Tray Post
21-B
Collar
21-A. Insert one SIDE TRAY POST into the grill. Align the notch in the
collar with the grill casting. It should not rotate in the hole.
Place the SIDE TRAY onto the POST. It can be rotated from the
forward position (above the burner) to a limited outward position
(away from the burner).
Repeat Step 21-A for the left SIDE TRAY.
21-B. SIDE TRAYS installed.
(Pg. 23)