6. Maintenance and inspection
No. 99MBG127A
6-3
6.3 Replacement and inspection of consumable parts
Indenters are consumables, therefore they need to be replaced. Perform maintenance
work safely by observing the replacement procedure described below.
6.3.1 Replacement of indenter
CAUTION
1. Do not give any shock to the indenter and indenter shaft.
2.
lways keep the indenter tip clean. If indentation is performed on a clean specimen
after making indentation on a dirty specimen, or indenter is touched with a finger, the
test may not be performed because dust, oil, or the like settles around the indentation.
3. In such a case, use a clean cloth to wipe the tip of the indenter gently, and if the tip is
oily, use alcohol, benzine, or the like to wipe it.
4. Do not remove the dimension adjustable liner that maintains the compatibility among
indenters such as Vickers indenter and Knoop indenter.
Tool to be prepared: Precision screwdriver (standard accessory)
1. Turn off the power and remove the plug from the outlet.
2. Rotate the up/down handle forward to lower the elevating shaft.
3. Rotate the turret to move the indenter to be replaced to the front side.
4. Hold the indenter with your thumb and index finger, loosen the provided screw, and
disconnect the indenter.
5. Insert the indenter to be replaced with, and put the indenter on the edge surface of
the indenter fixing shaft closely. Then bring the red (or blue) point to the front side and
tighten the screw. (The red point is on the extension of a edge line of a pyramid.)
Fig. 6-1
Tighten the
screw
Move indenter
to front
Enlarged
view
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