6 - 2
6.2 Limited Life Parts
The parts which are regarded as limited life parts (See Table 6.2) must be replaced in the
specified interval. If the system is continuously used without properly replacing the limited life
parts, it may not only damage the system but cause safety problems. Contact the nearest
service office to schedule the replacements.
Table 6.2 Limited Life Parts List
Part No.
Part Name
Usage
Replacement
Interval
52E-6688
DFP maintenance kit
For DFP maintenance
5 years
55E-1642
SR exhaust tube N assy
Exhaust tube between turbo
molecular pump and diaphragm
pump
5 years
55E-1692
Exhaust tube
Exhaust tube and sealing
component between turbo
molecular pump and specimen
chamber
5 years
55E-2681
Pirani gauge
Vacuum level measurement
detector
3 years
51E-1492
Element
Leak valve (V1) filter
5 years
55E-1317
Element (5)
Slow leak valve (V2, V4) filter
5 years
55E-1171
Spring
Specimen stage (For lock nut)
4 years
55E-2810
ACWHND00SP assy
–
5 years
55E-2822
CONTROL20SP assy
–
5 years
55E-2812
COLHVC00SP assy
–
5 years
55E-2803
5CHAMP00SP assy
–
5 years
55E-2824
IO-DRV10SP assy
–
5 years
55E-1160
LED00SP assy
–
5 years
55E-2806
ISAL00SP assy
–
5 years
55E-2807
TMPMCONT00SP assy
–
5 years
55E-2808
REGOUT00SP assy
–
5 years
55E-2815
HVT3SP assy
–
5 years
55E-2823
TMPMHVSP assy
–
5 years
55E-2826
UVDAMPSP1 assy
–
5 years
55E-2827
Photomultiplier assy
–
5 years
55E-2602
NF cord assy
–
5 years