Fluke 77 - Advanced Measurement Modes; MIN MAX AVG Recording; AutoHOLD Functionality; YELLOW Button Operation

Model 77 Series IV
Calibration Information
8
Replacing the Fuses
XWWarning
To avoid electrical shock, arc blast, or damage to the Meter, install only fuses
with the amperage, interrupt, voltage, and speed ratings specified in
Table 4.
To replace the Fuses (refer to Figure 2):
1. Turn the Rotary Switch to
OFF.
2. Disconnect the test leads and/or any connectors from the terminals.
3. Remove the four screws from the Case Bottom and separate the Case Top from the Case Bottom.
4. Remove the fuses F1 and F2 by gently prying one end loose, then slide the fuse out of its bracket, and
replace with exact replacement only.
5. Rejoin the Case Bottom, Case Top, Battery compartment door, and reinstall the four screws.
Replacing the Battery
To replace the Battery (refer to Figure 2):
1. Turn the Rotary Switch to
OFF and remove the test leads from the terminals.
2. Remove the two screws from the Battery Compartment Door, and remove it from the Case Bottom.
3. Remove the Battery (B1) from the battery connector.
4. Replace the Battery with a new 9 V battery (NEDA A1604, 6F22, or 006P).
5. Reattach the Battery Compartment Door to the Case Bottom, and reinstall the two screws.
F2
F1
B1
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Figure 2. Battery and Fuse Replacement