BUCHI NIRMaste - Manual (Page 50)

7 Maintenance and repairs
50 NIRMaster Operation Manual, Version A
Locked
Unlocked
NOTICE
Risk of instrument damage by ingress of particles.
Check proper seating and reliable locking before use •
Do not operate instrument when housing is open or unlocked •
7 .5 How to exchange inner / outer filters
Outer filters
The outer filters are the first filter stage.
Pull off the filter frames, holding the filter pad. •
Exchange the filter pads. •
At remount, make sure the ventilation slots of the filter frames show into opposite direction to avoid •
a shortcut of the cooling airflow.