I have had very good luck lubeing stuck and sluggish gear boxes by the  
following method:
 
Select a drill bit that is just the outside diameter size of a WD-40 spray  
"straw." Put on goggles, hold the assembly upside down and very carefully 
and  slowly drill a hole in the top of the gear box. DO NOT DRILL the brass 
motor  housing cover.  Insert the straw and give it a few good squirts of WD 
or  5-56 lube. It is not necessary to plug the hole. 
 
You are drilling upside down to help prevent shavings from entering  the 
gear box and slowly so that you do not penetrate into the housing and  
contacting the gears.
 
A hint for setting the clock: Many folks attempt to remove the bezel by  
prying it from the outside. Regardless of how careful one is, the panel will  
ultimately become scratched. A safer way is to carefully insert a small  
screwdriver between the plastic window and the metal bezel and pull straight  
toward  you and away from the panel. Hook your index finger around the  screw 
driver shaft and use your thumb against the panel for leverage. Pull  
slowly. I have used this method for years and have yet to scratch my panel.  
(Knock Wood)
 
73,
 
John,  W4AWM
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