Kongsberg Simrad SN90, Installation Manual

Page: 245 / 298

381298/C
243
026925 Mounting trunk production drawing
ø273
Flange
Steel St.42.21
Plate 400x400x25
Marking from
classification society
Tube
Steel St.52-3U
Dy 273 x Di 248 x 920
20
+1/-0
3
0.4 AB
6
25
920
±
3
ø271
+0.5/-0
12,5
Surface treatment, outside:
a) Degreasing
b) Sand blasting with non-iron sand,
particle size 0,2 to 0,8 mm
c) Dedusting
d) First primer Jotun Barrier Primer
, 40µ dry film (*)
e) Second primer , Jotun Pengard Primer , 50µ dry film (*)
f) Two layers of Scandia Autotransport 62.00
(two-pack acryl enamel), colour gray (*)
(*) or equivalent
Surface treatment, inside:
a-e) Similar to outside
f) Final coating with Jotun V inyguard (vinyl tar paint)
3 x 100 dry film (*) µ
NOTE:
Installation trunk must be supplied with material
and welder certificates.
Welding rod must be approved by
classification society .
All measurements in mm.
The drawing is not in scale. [026925] Rev .F
CD12_026925_001_001
Drawing file