Thermo Scientific 410i Instruction Manual page 183

Fan/Filter
Replacement
Thermo Fisher Scientific
Use the following procedure to replace the fan and the fan filter
5).
Equipment Required:
Fan
Fan filter
Philips screwdriver
Adjustable wrench
Equipment Damage Some internal components can be damaged by small
amounts of static electricity. A properly grounded antistatic wrist strap
must be worn while handling any internal component.
1. Turn the instrument OFF, unplug the power cord, and remove the
cover.
2. Remove the fan guard and filter from the rear of the instrument by
unsnapping it.
3. If the fan is not being replaced, install the new filter, snap it into place,
and skip the remaining steps.
4. If possible, disconnect the fan power cable from the fan, otherwise
disconnect the cable from the measurement interface board.
5. Remove the four fan mounting screws along with nuts and washers and
remove the fan.
6. Install a new fan following the previous steps in reverse order.
Servicing
Fan/Filter Replacement
(Figure 7–
▲
Model 410i Instruction Manual 7-11