Wash down inner cabinet and base
Remove and clean the baffle at the rear of the chamber
Check seal around drip cups, sink and wastes
Check cable connection to glass sash
Wash glass sash
Lubricate sash track runners
Lubricate cable support pulleys
Inspect the sash mechanism for corrosion and damage
Check internal light fittings
Check service valves
Check spray jet performance in the fume cupboard and ducting
Check interior of ducting for blockage
Check exterior dispersal stacks
Check canvas connections, where installed
Check position of branch damper and mechanism
Inspect the fire damper
Inspect the fans, motors, drivers and bearings
Check the extract motors are running in the right direction, correct speed and absorbing the correct current
Check anti-vibration mounts and correct alignment of pulleys
Inspect fan impellers for wear and damage, where accessible
Check average face velocity across the sash opening
Check function of audio visual alarm
Check containment by use of a smoke pellet