SUSU Antenna Array/rotator: Difference between revisions

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The rotator was bought second hand but doesn't appear to have been used before we acquired it.
The rotator was bought second hand but doesn't appear to have been used before we acquired it.


=== Usefull Parts Info ===
=== Useful Parts Info ===


Housing Screw (52) on Azimuth rotator are 1mm pitch, 5.8mm dia, 20mm long.
* Housing Screw (52) on Azimuth rotator are 1mm pitch, 5.8mm dia, 20mm long.
** Link [http://www.screwfix.com/p/socket-cap-screws-a2-stainless-steel-m6-x-20mm-pack-of-50/19472]
** 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[http://www.ebay.co.uk/itm/Castrol-Multipurpose-Lithium-Grease-500g-Tub-/181312682341?pt=LH_DefaultDomain_3&hash=item2a3713f965] Price £7.95 (500g Tub)
*** [http://www.rgracing-oils.co.uk/TDS/Grease/Multipurpose%20Grease.pdf Datasheet]


== Refurbishment Details ==
== Refurbishment Details ==
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=== Refurbishment tasks ===
=== Refurbishment tasks ===


*Re-grease the rotator
*<strike> Re-grease the rotator </strike>
*Inspect all gears
*<strike> Inspect all gears </strike>
*Inspect potentiometers
*<strike> Inspect potentiometers </strike>
*Clean and refinish case
*Clean and refinish case
*Replace external bolts
*Replace external bolts
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=== Azimuth refurbishment info ===
=== Azimuth refurbishment info ===


* Looks good internal, has been cleaned awaiting new grease
* Looks good internally, has been cleaned and regressed.
* external screws want replacing
* external screws want replacing
* was originally installed upside down
* was originally installed upside down
* thermal fuse is just taped on look at using jubilee clip
* thermal fuse is just taped on look at using jubilee clip
* Potentiometer will need resetting when resembling


=== Elevation refurbishment info ===
=== Elevation refurbishment info ===


* Unable to open rotator screws are well sealed
* Unable to open rotator screws are well sealed

Latest revision as of 12:43, 11 May 2015

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

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