Thermo 49i - Fuse Replacement

Servicing
Fuse Replacement
Thermo Fisher Scientific Model 49i Primary Standard Instruction Manual 6-9
4. Disconnect the plumbing connections at the rear of the measurement
bench.
5. Disconnect the connectors that pass through the center of the partition
panel.
6. Remove two screws from the left side of the case (viewed from rear).
7. Remove one screw from the bottom front of the case.
8. Remove one screw from the top front of the partition panel.
9. While holding the case securely, loosen the captive screw at the rear of
the measurement bench, and pull the measurement bench from the rear
of the case.
10. Remove the screw at the top rear of the partition panel securing the top
of partition panel to the measurement bench, and lower the panel being
careful not to put excessive tension on the cables.
11. Replace the measurement bench by following the previous steps in
reverse.
Fuse Replacement Use the following procedure to replace the fuse.
Equipment Required:
Replacement fuses (refer to “Replacement Parts List” on page 6-4)
1. Turn instrument OFF and unplug the power cord.
2. Remove fuse drawer, located on the AC power connector.
3. If either fuse is blown, replace both fuses.