Rev. 2.0
Maintenance Guide
4-3
4-3. Replacing the OCC Coaxial/Angle Light Board Assemblies
1) Detach the light assembly from the head plate using the procedure described in section 4-1,
Replacing the OCC Assembly.
2) Remove the SEMS cap bolt c (×2) to replace the OCC coaxial light board assembly.
3) Remove the SEMS cap bolts d (×4) to replace the OCC angle light board assembly.
4) Reassemble the components in the reverse order of disassembly.
5) After the OCC light board has been replaced, it is necessary to adjust the light filter U and
OCC light. (See 4-7, List of Readjustment Items After Replacement.)
c SL4030691SC
SEMS cap bolt M3×6
40047512
OCC C LIGHT board
assembly (coaxial)
40047508
OCC A LIGHT board
assembly (angle)
d SL6030892TN
SEMS cap bolt with
washer M3×8
Figure 4-3-1 Replacing the OCC Coaxial/Angle Light Board Assembly
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