6270A
Service Manual
18
Caution
A power cycle during the PCM upgrade can erase the control
coefficients. The process must be allowed to complete and the
screen must disappear.
Maintenance
This section explains routine operator maintenance necessary to keep the
Product in optimal condition.
Access the Module Bay
The Pressure Control Module (PCM) and Pressure Measurement Module(s)
(PMM) are located inside the module bay.
To access the module bay, see Figure 6:
1. Pull out the module bay handle
to unlock the front panel.
2. Pull the handle to slide out front panel and access the module bay
.
Note
For safety, the Product automatically vents to atmosphere when the
front panel is unlatched and opened. When the front panel is open,
the system stays in the Vent mode until closed.
1
2
huo011.eps
Figure 6. Access the Module Bay
Summary of Contents for 6270A
Page 6: ...6270A Service Manual iv...
Page 26: ...6270A Service Manual 20 2 1 3 hxn212 eps Figure 7 PMM and PCM Removal...
Page 30: ...6270A Service Manual 24 1 2 3 hxn205 eps Figure 9 Manifold Installation...
Page 32: ...6270A Service Manual 26 2 1 1 hxn202 eps Figure 10 Remove Feet and Tilt Stands...
Page 40: ...6270A Service Manual 34 hxn208 eps Figure 16 Remove the CPU...
Page 43: ...Pressure Controller Calibrator Module Guide Rails 37 8 9 10 hxn219 eps Figure 18 Dock Assembly...
Page 64: ...6270A Service Manual 58 1 2 3 4 5 7 6 hxn210 eps Figure 32 Remove Latch Assembly...
Page 67: ...Pressure Controller Calibrator PCM Assembly 61 2 1 hxn401 eps Figure 34 Module Components...