Fluke 9100 User Handbook Manual page 135

8.2.2.2 Calibration Seal
Caution!
With the cover removed, a 'Calibration seal' can be seen covering a countersunk
screwhead on the left side of the chassis assembly, at the top. This is one of the securing
screws for the top guard shield. The seal is set in position following a calibration of the
instrument, so that removal of the guard shield can be detected.
The calibration seal must NOT be broken unless the guard shield is to be removed for
Authorized work inside the chassis assembly.
compromise the traceable calibration of the instrument, and a full recalibration of
the 9100 will be required .
8.2.2.3 Removing the Filter Element
The filter is removed as follows:
Carefully lever out the center pin of each of the five black nylon snap rivets and pull out
the snap latches. Lift off the filter element.
8.2.2.4 Cleaning the Filter Element
Once the filter is removed, wash it in warm water and household detergent, rinse
thoroughly and allow to dry.
8.2.2.5 Refitting the Filter Element
1. Hold the filter element in position over the expanded metal grille so that it overlaps
both main and rear apertures, and the five securing holes. Separate the latch and
center pin of a black nylon snap rivet, and push the latch through the filter into the
center securing hole in the top row. Fit the center pin into the latch and push fully
home, so that the pin opens the splits in the rear of the latch.
2. Slightly stretch the filter element into the correct position; fit and secure the other
four snap rivets.
8.2.2.6 Refitting the Top Cover
Carefully refit the top cover into the slots in the side extrusions, with the front edge
immmediately behind the front bezel; push forward to locate inside the bezel, and secure
to the rear panel using the two screws. Refit and secure the corner blocks.
8.2.2.7 Replacement Parts
Should the filter or snap rivets become damaged by removal or refitting, the following
parts can be ordered through your Fluke Sales and Service Center:
Part No. Description
451004 20ppi Reticulated Foam Filter
617020 Snap Rivet, Black Nylon
Section 8: Model 9100 — Routine Maintenance and Test
Removal of the guard shield will
Manufacturer Type Quantity
----- ----- 1
Richco. SR4050B 5
Final Width = 215mm
8-3