Brother BAS-311G Instruction Manual page 13

3. INSTALLATION
Auxiliary plate
Work clamp arm
6
5032Q
4914Q
BAS-311G, BAS-326G
(10) Support plate guides D [2 pcs.]
(11) Bolts with washer [4 pcs.]
(12) Bolts with washer [4 pcs.]
NOTE:
Adjust by tightening the bolts with
washer (12) so that the auxiliary plate
is level.
Move the work clamp arm all the way to
the right when looking from the front of
the sewing machine (the direction of the
arrow in the illustration), and then gently
tilt back the machine head.
NOTE:
Two or more people should tilt back the
machine head, and it should be tilted
gently while being held with both
hands.