JMA-5300MkIIsm

INDEX > 4.Replacement Procedure > 4.2 Scanner Unit NKE-1130 (JMA-5332-12)
4.2.16 Brake Unit replacement (NZR-17)
[Required tools]
• A Phillips screwdriver for 5 mm screws
• A Phillips screwdriver for 4 mm screws
• A Phillips screwdriver for 3 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 right (starboard) side (see Section 4.2.1, page 4-2).Remove
the receiver unit (see Section 4.2.12, page 4-16).
2) Remove the cable connected to J1911 and
J1921 in the brake control circuit board
CCB-655.
3) Remove the four screws (M4) holding the
brake control circuit board to replace the
brake unit NZR-17.
Remove 4
screws.
4) After replacing the brake unit, assemble the
unit in the reverse order of the disassembly
procedure.
CCB-655
J1921
J1911
Do not forget to tighten the screws and connect
the cables.
[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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