Teledyne 465M, Руководство пользователя, Страница: 59 / 73

06160J DCN7969 Teledyne API Model 465M O
3
Monitor User Manual 57
9.5.
UV Lamp Replacement
CAUTION – GENERAL SAFETY HAZARD
Do not look at the UV lamp while the unit is operating. UV light can
cause eye damage. Always use safety glasses made from UV blocking
material. (Generic plastic glasses are not adequate).
WARNING - RISK OF ELECTRICAL SHOCK
HIGH VOLTAGE MAY BE PRESENT WHEN POWER IS CONNECTED TO
THE INSTRUMENT!
1. Disconnect power from the 465M.
2. Remove the six screws and the top cover (Rack Mount Configuration) or open
front panel (NEMA Configuration.)
3. Loosen the two UV lamp setscrews on the UV lamp housing (see Figure 9-1 or
Figure 9-2.)
4. Unplug the lamp power cord from the connector labeled J18 on the mainboard
PCA.
5. Carefully slide the lamp out of housing.
6. Install the new lamp, seating it in the lamp housing until it stops.
7. Re-tighten the two UV lamp setscrews.
8. Plug the lamp power cord into J18 on the mainboard PCA.
9. Reconnect power to the instrument and turn on power switch. Let instrument
warm up for at least 20 minutes.
10. Perform UV lamp adjustment procedure per Section 9.4.
9.6.
Sample Pump Replacement
1. Disconnect power from the 465M.
2. Remove the six screws and the top cover (Rack Mount Configuration) or open
front panel (NEMA Configuration.)
3. Locate sample pump assembly (See Figure 9-1 or Figure 9-2.)
4. Cut off the clamps holding the Tygon tubing to the pump nipples and remove
tubing. Note which tubing is connected to inlet and outlet.
5. Unplug the pump power connector from the mainboard PCA at connector J12.
6. Remove the four screws attaching the sample pump assembly to the chassis.