c)
Press the latch on the other end of the middle tube (6) and attach it to the "S"
connector(7). Secure the connection by additionally tightening the lock nut on
one of the ends of the connector (7):
d) Press the latch on one end of the upper tube with support (10) and insert its
end into the "S" connector (7) so that the latch clicks into its hole:
e) Attach the control box (9) to the connector "S" (7) - tighten it carefully with the
screw (8):