Furuno DRS6A X-Class Installation Manual page 44

3. Apply silicone rubber to the thread of the stud bolts (M12 70, 4 pcs).
Note: Apply silicone rubber to the part of thte bolt threads that are inside the bolt
hole (see the figure at step 4).
4. Insert four stud bolts into the threaded holes in the antenna unit.
The stud bolts must make contact with the bottom of the threaded holes.
Note: Do NOT cover the vent hole at the bottom of the unit.
Detailed view
Silicone
rubber
Corrosion-proof
rubber pad
5. Hoist the antenna unit to the installation location, using two belt slings.
Note: When you hoist the antenna unit. keep in mind the following points:
• When you hoist the antenna unit, set two belt slings to the radiator bracket. Do
not set the belt slings to the radiator, the radiator may get damaged.
OK: Belt slings are set to the radiator bracket.
Stud bolt
NOTICE
Do not fasten stud bolts tightly after
the bolts contact with the bottom of
the threaded holes.
If the bolts are fastened excessively, the
chassis bottom may be damaged which
can result in malfunction.
The projected bolt length after the bolts
contact with the bottom of the threaded
holes is approx. 46 mm. This data is for
reference purpose only.
Belt sling (2 pcs)
WRONG: Belt slings are set to the radiator.
1. INSTALLATION AND WIRING
Vent hole:
Do NOT cover this hole.
Silicone rubber
Stud bolt