BUCHI NIRMaste Pro IP65 - Manual (Page 50)

7 Maintenance and repairs
50 NIRMaster Operation Manual, Version B
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.