![background image](http://html.mh-extra.com/html/btm/wm21b012/wm21b012_operation-manual_2825661006.webp)
Step 7
Install the bumper cover
with 2*Square Screw H and
2* Round Screw F.
H
.
Square Screw
F. Round Screw
Step 8
Assemble the back panel of
bus and tighten the boards
with 4*Yellow Cross Screw
C. Note: Pay attention to the
installation direction.
C. Yellow Cross Screw
Step 9
Install bus ears with
2*White Cross Screw G.
G. White Cross Screw