JMA-5300MkIIsm

INDEX > 4.Replacement Procedure > 4.3 Scanner Unit NKE-2254 (JMA-5322-7/9/6HS)
4.3.13 Brake Circuit replacement (CFA-257)
[Required tools]
• A Phillips screwdriver for 3 mm screws
• A Phillips screwdriver for 4 mm screws
• Tools for removing the cover from the scanner unit
(see Section 4.3.1, page 4-24)
[Replacement procedure]
1) Remove the cover on the right (starboard) side (see Section 4.3.1, page 4-24).Remove
the metal fixture that is mounted on the motor control power supply board CBD-1779
(see Section 4.3.4, page 4-30).
2) Remove the cable connected to J1503 in the
motor control power supply.
CFA-257
3) Remove the two screws (M3) holding the
resistors to replace the brake circuit (CFA-257:
resistors with cables).
Remove
2 screws.
4) After replacing the brake circuit, assemble the
unit in the reverse order of the disassembly
procedure.
Do not forget to tighten the screws and connect the
cables.
J1503
CBD-1779
[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.
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