INFICON LDS3000 Modular Leak Detector - Manual (Page 18)

18 Installation
 Self-locking nuts M8
 Open-end wrench, size 13
 Allen wrench, size 6
 Holes for installation inside the test system
The mass spectrometer module is delivered with fastening screws and transport nuts
already mounted.
1 Remove transport nuts.
2 Drill through-holes:
– X distance: 283 mm
– Y distance: 121.5 mm
– Through-hole in sheet metal: 9 mm
– Mounting screws: M8 x 50
3 Use self-locking nuts (but NO transport nuts) to install the mass spectrometer
module.
4 Place the mass spectrometer module on top of the through-holes and screw it
down using the fasteners.
Material damage if washers are missing
Failure to install the washers can cause the MO bearings to pull out.
► Always install washers between test system and MO bearings.
Severe injuries due to mass spectrometer module breaking out
If not screwed down properly, the mass spectrometer module can be caused to
break out if the rotor of the turbo molecular pump suddenly locks up. This can result
in injuries of the most severe kind.
► Mount the mass spectrometer module so that it cannot break out.