SUSU Antenna Array/rotator

Rotator Info

Rotator is a kenpro dual axis rotator. This is the same as the Yaesu G5400 (Yaesu bought kenpro and re-branded their kit). The rotator was bought second hand but doesn't appear to have been used before we acquired it.

Useful Parts Info

• Housing Screw (52) on Azimuth rotator are 1mm pitch, 5.8mm dia, 20mm long.
  • Link [1]
  • Price £5.03 (Pack of 50, inc. VAT)
• Grease
  • 'White Lithium Grease' appears to be to be the most widely recommended, is typically used on wheel bearings.
  • Castrol Lithium Grease
    • Ebay[2] Price £7.95 (500g Tub)
    • Datasheet

Refurbishment Details

Refurbishment tasks

• Re-grease the rotator
• Inspect all gears
• Inspect potentiometers
• Clean and refinish case
• Replace external bolts
• Install internal temperature sensor.

Azimuth refurbishment info

• Looks good internally, has been cleaned and regressed.
• external screws want replacing
• was originally installed upside down
• thermal fuse is just taped on look at using jubilee clip

Elevation refurbishment info

• Unable to open rotator screws are well sealed