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EATON 4A55723H01 I/O板數據線
maintenance technicians as necessary.This gives you a historical record
of the operation of your Model 700, enables a maintenance technician to
schedule replacement of gas cylinders at a convenient time, and allows
quick troubleshooting and repair when it becomes necessary.
A chromatogram, a Configuration Report, and a Raw Data Report should
also be made and filed with the checklist, furnishing a positive dated
record of the Model 700. The chromatogram and reports can also be
compared to the chromatograms and reports run during the
troubleshooting process.
4.3.1 Bimonthly maintenance checklist
Copy the sample maintenance checklist as necessary for your files. If you
have a problem, please complete the checklist and reports, and have the
results available when calling Measurement Services with a problem.
Also have the Sales Order number. The Sales Order number can be found
on the nameplate located on the left side wall of the upper housing of
the Model 700. The chromatograms and reports archived when your
Model 700 left the factory are filed by this number.
Model 700 Gas Chromatograph System Reference Manual
APRIL 2012 3-9000-521
4 - 3
MAINTENANCE CHECKLIST
Date Performed: _______________ Sales Order Number: _______________
System Parameters As Found As Left
Carrier Gas Cylinder
Cylinder Pressure Reading (High) _____ psig _____ psig
Cylinder Pressure Outlet Reading _____ psig _____ psig
Cylinder Pressure Panel Regulator _____ psig _____ psig
Sample System
Sample Line Pressure(s) (1)_____ psig _____ psig
(2)_____ psig _____ psig
(3)_____ psig _____ psig
(4)_____ psig _____ psig
(5)_____ psig _____ psig
Sample Flows (1)___ cc/min ___ cc/min
Sample Vent 1 (SV1) (2)___ cc/min ___ cc/min
Sample Vent 2 (SV2) (3)___ cc/min ___ cc/min
(4)___ cc/min ___ cc/min
(5)___ cc/min ___ cc/min
Calibration Gas
High Pressure Reading _____ psig _____ psig
Outlet Pressure Reading _____ psig _____ psig
Flow ___ cc/min ___ cc/min
System Reference Manual Model 700 Gas Chromatograph
3-9000-521 APRIL 2012
4 - 4
4.3.2 Routine maintenance procedures
? Complete the maintenance checklist bi-monthly. Place the sales
order number, date, and time on the form and file it. This gives you a
basis for comparison in the future if you need it.
? Save a Chromatogram of the operating Model 700 on the PC with the
MON2000 software. Print Configuration, Calibration, and Raw Data
reports and file them with the MON2000.
? Check the printer paper (if used) to ensure that a sufficient supply of
paper remains. Check carrier and calibration gas supplies.
4.3.3 Contact service
Measurement Services offers maintenance service programs that are
tailored to fit specific requirements. Contracts for service and repair can
be arranged by contacting Measurement Services at the address or
telephone number on the Customer Repair Report at the back of this
manual.
4.4 Access to GC equipment elements
4.4.1 Electrical/electronic components
WARNING
The explosion-proof housing should not be opened when the unit is exposed to an
explosive environment. If access to the explosion-proof housing is required,
precautions must be taken to ensure that an explosive environment is not present.