Teledyne 501 TRS, Operation Manual, Page: 53 / 111

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9.
INSTRUMENT MAINTENANCE
The following table supersedes the T101 Preventative Maintenance Table in the Maintenance Schedule section in the T101 Manual - PN 07266.
Table 8-1. T102 Preventive Maintenance Schedule
ITEM ACTION FREQUENCY
CAL
CHECK
T101 MANUAL
SECTION
DATE PERFORMED
M501 SO2 scrubber
Replace scrubber
material
As required Yes
9.1.1.3 of this
addendum
1 Particulate filter Change particle filter Weekly No 9.3.1
Verify test functions Review and evaluate Weekly No Appendix C
Zero/span check
Evaluate offset and
slope
Weekly -- 7.3, 7.6, 7.9
1
Zero/span
calibration
Zero and span
calibration
Every 3 months --
7.2, 7.4, 7.5, 7.7,
7,8
1 External zero air
scrubber (option)
Exchange chemical Every 3 months No 9.3.4
1 Perform flow check Check Flow Every 6 Months No 11.5.2
1
Sample chamber
optics
Clean windows and
filters
Annually or as
necessary
Yes 9.3.6
1
Critical flow orifice
& sintered filters
Replace Annually Yes 9.3.7
Internal IZS
Permeation Tube
Replace Annually YES 9.3.2
Perform pneumatic
leak check
Verify Leak Tight
Annually or after
repairs involving
pneumatics
Yes 11.5.1
2
Pump diaphragm Replace
Every 2 years, or as
necessary
Yes
See instruction in
diaphragm kit
PMT sensor
hardware calibration
Low-level hardware
calibration
On PMT/ preamp
changes if 0.7 < SLOPE
or SLOPE >1.3
Yes 11.5.4
Desiccant bags Replace
Any time sensor assy
inspection plate is opened
(reference Section 11.5.3)
1
These Items are required to maintain full warranty, all other items are strongly recommended.
2
A pump rebuild kit is available from TAPI Technical Support including all instructions and required parts (see Appendix B for part numbers).
07267B DCN6485