• | Torque wrench |
• | A crane (or other lifting device) capable of lifting the entire hull unit The lifting device must be rated to minimum twice the weight of the hull unit. An attachment point for the lifting device must be located directly above the hull unit.
|
• | Rubber gasket (Part number ) |
1 | Make sure that the ST90 system is turned off. |
2 | Preparations:
|
3 | Loosen and remove the bolts that secure the mounting flange to the top of the installation trunk. |
4 | Lift the hull unit. Make sure that you do not damage the delicate parts of the hull unit.
Note
Make sure that you do not damage the transducer or any of the cables. Watch the hull unit carefully during the lift to prevent the delicate parts from being damaged, stuck or hooked on to protruding
objects.
|
5 | Remove the rubber gasket to protect it. Note
This gasket must not be damaged.
|
Mounting the hull unit on top of the installation trunk: |
6 | Lift the hull unit and place it vertically over the installation trunk. |
7 | Check the top of the installation trunk.
|
8 | Rubber gasket:
Note
If you suspect that the gasket is damaged, replace it. If the gasket has been contaminated with dirt, grease or lubricants, it must be replaced.
|
9 | Lower the hull unit carefully onto the installation trunk. Important
The transducer is covered with a thick red or black protective coating made of a special plastic type. The protective coating is a vital part of the transducer. It is very important that neither this coating nor the internal parts of the transducer are damaged during the handling, installation or cleaning.
|
10 | Align the mounting holes carefully. |
11 | Mount and tighten the relevant nuts and bolts. First, tighten all the nuts to finger tight. Then work alternately on opposite sides of the construction.
Use the following torque: 140 Nm
|