A routing machine comprises a base unit and a motor unit, which is releasably connected to the base unit. The motor unit defines a motor axis is configured for insertion into the base unit substantially in the direction of the motor axis. A depth adjustment latch is provided on the base unit. A release latch is provided on the base unit. The release latch is moveable between a first position and a second position. The release latch is configured to provide a positive stop for the motor unit when the release latch is in the first position, such that the motor unit is blocked from release from the base unit while allowing the motor unit to move along the motor axis. The motor unit is free to release from the base unit when the release latch is in the second position.