JMA-5300MkIIsm

INDEX > 4.Replacement Procedure > 4.2 Scanner Unit NKE-1130 (JMA-5332-12)
4.2.6 Modulator Unit Fan replacement (7BFRD0002)
[Required tools]
• A Phillips screwdriver for 4 mm screws
• Tools for removing the cover from the scanner unit
(see Section 4.2.1, page 4-2)
[Replacement procedure]
1) Remove the cover on the left (port) side (see
Section 4.2.1, page 4-2). Remove the modulator
unit fan cable (connector P1112) from the relay
connector.
Remove the cable.
Fan
2) Remove the four screws (M4) to replace the fan.
Fan
3) After replacing the fan, assemble the unit in the
reverse order of the disassembly procedure.
Do not forget to tighten the screws and connect the
cables.
Remove
the four
screws.
[Check points]
1) Turn on the radar power supply. After the countdown is completed, start emission and
check that the radar image appears without error. Check that no fan alarm comes up.
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