GE Druck ADTS 405 R Mk2 Instruction Manual page 71

5.4.3.2 Replacing ADTS 405F Mk2 DC Fuses
WARNING
The ADTS 405F Mk2 has two 1.25" Time Lag fuses for the DC supply. They are located in the
holder mounted on the pump-rack front panel. They protect the entire unit. The fuses are
connected in the supply positive and the common (0 V) return. For fuse specification, see
Table 8-2 on page 102.
a. Set the power switch to OFF.
b. Isolate the power supply to the instrument and disconnect the power supply
connector (1).
c. Remove the fuse holders (2) from the front panel and replace the fuse cartridges (3).
d. Refit the fuse holders (2) in the front panel.
e. Connect the power supply connector and switch on the power supply.
f. Set the unit power switch to ON.
Note: On the ADTS 405R Mk2, DC over-current protection fusing is internal and not user
serviceable.
© 2017 General Electric Company – All Rights Reserved.
Only replace the fuses with the correct type.
Figure 5-3: ADTS 405F Mk2 DC Fuse Positioning
Routine Maintenance
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