FX-3R Maintenance Guide
3-9
3-4. Replacing the HMS
3-4-1. Replacing the HMS Head
1) Remove the cap bolts c (×2) to detach the HMS head. (The following Figure shows the HMS
head for the LF and RR heads.)
2) Reassemble the parts and components in the reverse order of disassembly. In the same
manner as described above, detach the HMS head from the LR and RF heads.
c SM6032002TN
SEMS cap bolt M3×20
40047874
Height sensor unit assembly
Figure 3-4-1-1 Replacing the HMS Head
3-4-2. Replacing the Amplifier
1) Remove the cap bolts c (×2) to detach the head handle.
∗ When an optional bad mark reader is mounted, detach
the fiber unit from the bad mark amplifier.
c SM6032002TN
SEMS cap bolt M3×20
Figure 3-4-2-1 Detaching the Head Handle
2) Detach the amplifier while keeping the amplifier pushed
downward. (The following Figure shows the amplifier for the
LF and RR heads.)
cLower
dPull
40047874
Height sensor unit
assembly
3) Reassemble the parts and components
in the reverse order of disassembly.
In the same manner as described above,
detach the amplifier from the LR and RF
heads.
Figure 3-4-2-2 Detaching the Amplifier
Rev. 1.00
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