User Manual Dual C or Quad Ku Band TVRO Antenna (9497B-21)

Maintenance and Troubleshooting9497B-21 C/Ku-Band TVRO7.6. Antenna Stowing ProcedureWARNING: Antenna Pedestal must be properly restrained (stowed) toprevent damage to wire rope isolators, isolator springs and/or antenna pedestalmechanism during underway conditions when power is removed from theantenna assembly.The normal operating condition for the Sea Tel Antenna system is to remain powered up at all times. This ensuresthat the antenna remains actively stabilized to prevent physical damage to the antenna pedestal and reducecondensation and moisture in the radome to prevent corrosion. If, for some reason, the antenna must be powereddown during underway transits, it should be secured with nylon straps regardless of sea conditions to prevent damageto the antenna system. Refer to the procedure below to secure the antenna pedestal.Equipment & Hardware needed:• Two (2) ½-13 x 2-inch Stainless Steel bolts.• Two (2) Nylon straps with ratchet mechanism. Nylon straps must be rated to 300 lbs. Working loadcapacity and 900 lbs. Max rated capacity.Stowing procedure:1. Point the antenna to Zenith, (90 degree elevation angle),straight up.2. Install one (1) ½-13 x 2-inch bolt into the inside of eachelevation beam as shown in Figure 1.7-18