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Simrad 50-7
Blister assembly
Surface treatment:
To avoid acoustic noise, it is very important that the surface of the blister is
smooth. Avoid cracks, dents and other unevenness.
1) Sand blast after grinding to SA 2.5
2) Apply one coat of red ferric oxide prime
3) No concavity is accepted
4) Maximum convexity is 3 mm
5) Small local hollows (max 1 mm!) can be accepted
Drainage hole
Ø10 to 15 mm
(A)
Steel blister
Stiffening ribs
Mounting ring
1420
Note:
All measurements are in mm.
The drawing is not in scale.
42
510
30°
602
347
(A)
CD017015H Page 1 of 2
830-203430 Rev.B
305270/A
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