Furuno WR2120 Installation Manual page 26

Confirm all four hex nuts that are securely tightened and without having any strain to radome or
stand after leveling the radar. (1) Hex nut, (2) flat washer (L) and (3) radar stand should not have
any gap when tightening the (4) Hex nut.
OK
Note for NG:
Do not tighten (4) hex nut before (1) hex nut and (2) Flat washer
touch firmly to (3) Radar stand. Otherwise the chassis of the
antenna unit may be distorted and broken.
Also any foreign matters should be removed before fastening the
(1) hex nut.
(1) Hex nut
(2) Flat washer (L)
(3) Radar stand
(4) Hex nut
22
S2E-17-0209_IM_WR2120_C
NG