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7. Install the tank guide as shown below.
Bow mark
340 mm (for 600 travel type)
140 mm (for 400 travel type)
8. Attach the zinc block to the main shaft as shown below.
CAUTION
The zinc block must be replaced yearly.
The junction between the transducer and
main shaft may corrode, which can result
in loss of the transducer or water leakage
inside the ship.
Tank guide
Align with bow mark
M10
M10
M10
on transducer.
Spring
Spring
Spring
M10×55
washer
washer
washer
Installing tank guide
Zinc block
(Shaft diameter ø55)
Orient round end to
tank guide side.
Attaching zinc block
1. MOUNTING
Ship's bow
Tank guide
Install zinc block as
near as possible to
the tank guide.
1-7
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