Oven
6850
6850
Released: April 2004 6850 Series Gas Chromatograph Service Procedures 221
5. Connect the sensor cable to the main board
(at P7) and connect the two oven heater wire
spade lugs to the AC board (at P3 and P4).
6. Reinstall the LAN board, if present.
7. Replace the covers and restore gases and
power.
Oven motor and fan
WARNING
High temperature. The oven may be very hot.
Before beginning, turn off the oven and allow
it to cool.
Shock hazard. Before continuing, turn off the
instrument and disconnect the power cord.
To remove the oven motor and fan
1. Turn off the instrument and remove the
power cord.
2. Remove the lid top cover. See “Lid top cover”
on page 1-23.
3. Remove the back cover. See “Back cover” on
page 1-16.
4. Remove the electronics cover. See “Electron-
ics cover” on page 1-18.
5. Remove the oven heater shroud. See “Oven
heater shroud” on page 1-218.