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7 - 10 Infinium LiHa and Infinium RoMa Operating Manual - Document # 1000000110155 v00
7 - Preventive Maintenance and Repairs
Maintenance Tasks
7.3 Maintenance Tasks
WARNING
Automatically moving parts.
Injuries (crushing, piercing) possible if the safety panels are not in place.
 Always switch off the instrument for maintenance tasks or to clean the
instrument surfaces, e.g. worktable, instrument panels etc.
 Never clean the instrument while it is switched on.
7.3.1 Liquid System
7.3.1.1 Checking for Leaks
Cross
References
List of cross references to information provided in other sections:
The liquid system is leaking
 if liquid droplets are hanging on the fixed tips before the instrument is switched
on or when it is in stand-by mode.
 if the syringes are leaking, e.g. liquid accumulates around the diluters before
the instrument is switched on or when it is in stand-by mode.
 if there are drops on the worktable.
Leakages in the liquid system can also be caused by an empty liquid system or by
aggressive liquids. When using aggressive liquids, take into account the chemical
resistance of the tubing material.
Refer to cross references above.
Subject Reference
Chemical resistance of the tubing
material See section 3.3.3 “System Liquid Requirements”,
2 3-8
Flushing the liquid system See section 7.3.1.2 “Flushing the Liquid System”,

7-12
Lock nut tightening See section 7.3.3 “Fixed Tips of LiHa”,  7-15
Syringe and plunger lock screw
tightening See section 7.3.2 “Syringe”,

7-14