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1-3
Scanner unit assembling
The scanner radiator and the scanner housing are shipped in separate packages
and must be assembled at installation. Assemble them as below. Refer to the
scanner unit assembling drawing at the back of this manual for details.
1. Remove two protective caps from the radiator flange and rotary joint flange.
2. Grease an O-ring and place it in the groove of the rotary joint flange. Make sure
the O-ring is not pinched during assembling.
3. Secure the feeder waveguide to the rotary joint flange with four M6x16 hex
bolts.
4. Fix the feeder waveguide on the radiator joint with four M4x16 washer head
bolts. Coat waveguide flange with silicone sealant as illustrated below.
O-ring
O-ring
Apply silicone
sealant here.
Apply silicone
sealant here.
Choke
groove
Evenly coat the waveguide flange with silicone
sealant. Apply sealant sparingly; it leaks out slightly
when the fixing bolts are tightened. Be sure no
sealant contacts the choke groove and waveguide.
Figure 1-2 How to coat waveguide flange with silicone sealant
5. Loosely fix the radiator to the radiator bracket with M8x25 and M8x30 hex head
bolts, M8 flat washers, M8 spring washers, and M8 hex nuts.
6. Grease the other O-ring and place it in the groove of the radiator flange. Secure
the feeder waveguide to the radiator flange with M4x16 washer head bolts.
7. Fix the feeder waveguide to the bottom of the radiator with the waveguide clamp,
waveguide packing, M4x30 hex head bolts, M4 flat washers, and M4 spring
washers.
8. Tighten bolts loosely fixed at step 5.