X-band 12kW Upmast Magnetron Transceiver
Chapter 5: Mechanical installation
HBK-2300-3 Issue 2
Page 15 of 40
9. Insert the studs no more than 18 mm into the holes in
the pedestal base, and hand- tighten. 4 spare nuts
are provided which may be used as a temporary
locking nut to aid insertion of the studs into the
pedestal.
If the supplied studs are not long enough for the
mounting surface thickness, use M10 stainless steel,
grade A4-70 studding of a suitable length.
10. Using suitable lifting equipment (such as a rope or
chain) attached to the lifting eyes; raise the pedestal
over the mounting surface. Carefully lower into
position, taking care that the studs pass through the
holes without damaging the threads. Ensure that the
front of the pedestal is pointing towards the bow of
the vessel.
11. Grease the studs with the supplied Denso paste.
12. Use the 4 nuts and associated washers to secure the
pedestal to the platform. Ensure all 4 sets of nuts and
washers are used to secure the pedestal to the
mounting platform.
Tighten each nut to 30Nm torque.
13. There should be no more than 6 mm of excess stud
below the nut. Cut-off any excess stud.
REMOVING THE RADAR PEDESTAL LIFTING EYES
1. Loosen the first lifting eye securing bolt, enough to remove the lifting eye.
2. Once the lifting eye is removed, re-tighten the bolt to 7Nm torque.
3. Repeat Steps 1 to 2 to remove all lifting eyes.
