4. After applying a metal washer, insert the
‘female connector’ from the inside of one of the
base units. Also using a metal washer, insert the
‘male connector’ from the inside of the other
base unit.
Note: This can be quite iddly; please persevere!
5. Screw the male and female connectors together.
6. Repeat for the 2nd connecting hole.
metal
washer
metal
washer
spacer
male
connector
female
connector