Bosch HBL33 Guide D'installation page 8

Combo Oven with Microwave 30"
It is good practice, when oven is installed at the end of a
cabinet run, adjacent to a perpendicular wall or cabinet
door, to allow at least 1/4" space between the side of the
oven and the wall/door.
For oven support, install 2x4's extending front to back flush
with the bottom and the side of the opening. The supporting
base must be well secured to the floor/cabinet and level.
Note:
The conduit box must be located above the unit to facilitate
connecting and servicing.
The cabinet base must be flat and capable of supporting a
weight of at least 310 lbs (141 kg).
English 6
Combo Oven with Microwave and
Warming Drawer 30"
It is good practice, when oven is installed at the end of a
cabinet run, adjacent to a perpendicular wall or cabinet
door, to allow at least 1/4" space between the side of the
oven and the wall/door.
For oven support, install 2x4's extending front to back flush
with the bottom and the side of the opening. The supporting
base must be well secured to the floor/cabinet and level.
Note:
The conduit box must be located above the unit to facilitate
connecting and servicing.
The cabinet base must be flat and capable of supporting a
weight of at least 429 lbs (195 kg).