Another 6139 up for restoration. This time an Aussie Proof 6139-6000 for one of our own here on the forum. This came in with several issues which took some extra time to evaluate and correct one by one. A time consuming task to say the least. I start every service with a thorough evaluation checking all the functions to identify problem areas. Often times there is more then meets the eye and other issues will surface as time transpires. This was one of those times. Even though at first glance everything looks good, only time will tell what lies under the hood..........
On this particular 6139 it would run with low amplitude but would stop once the chrono was engaged. The sub dial hand was slightly off on a reset and had been glued in place. There was no quick set day or date even with the movement out of the case and no change over at midnight The lume was missing on the hour hand and the inner bezel wouldn't turn with the crown. The crown was aftermarket and had no ridge to center the stem spring and the stem appeared to be too short.
The inner bezel issue was due to the stem gear being installed on the stem backwards and the stem gear spring missing.
The issue with the date change over at midnight was due to the tab being broken off on the date finger. As you can see the broken tab is sitting loose in the 12 o'clock position. The issue with the quick set not working was due to burs on the stem not allowing it to enter the clutch wheel to fully depress the day-date corrector.
With a few of the issues solved I moved forward with the tear down and cleaning of parts.
I'll skip the usual set of movement assembly photos to highlight my Handy Dandy new fangled hand installer tool......... I picked this up after Simon had posted about the one he had received. I needed something to simplify and speed up the hand installation process. I didn't have a lathe to fabricate a movement holder so I had to work with what I had. I took one of Adrian's movement holder and custom ground a washer to center and secure it in the base plate of the hand installer and epoxied it to the base of the movement holder. I also modified it with a screw for depressing the pusher and holding it in place for installing the sub + sweep hands.
The beauty of this tools is that with light pressure while depressing the hand, it allows you to rotate and align the hand perfectly.
It worked like a charm............
First the sub dial hand and the the hour hand..........
Then the minute hand.........
Followed by the sweep hand..............
To be continued..........
On this particular 6139 it would run with low amplitude but would stop once the chrono was engaged. The sub dial hand was slightly off on a reset and had been glued in place. There was no quick set day or date even with the movement out of the case and no change over at midnight The lume was missing on the hour hand and the inner bezel wouldn't turn with the crown. The crown was aftermarket and had no ridge to center the stem spring and the stem appeared to be too short.
The inner bezel issue was due to the stem gear being installed on the stem backwards and the stem gear spring missing.
The issue with the date change over at midnight was due to the tab being broken off on the date finger. As you can see the broken tab is sitting loose in the 12 o'clock position. The issue with the quick set not working was due to burs on the stem not allowing it to enter the clutch wheel to fully depress the day-date corrector.
With a few of the issues solved I moved forward with the tear down and cleaning of parts.
I'll skip the usual set of movement assembly photos to highlight my Handy Dandy new fangled hand installer tool......... I picked this up after Simon had posted about the one he had received. I needed something to simplify and speed up the hand installation process. I didn't have a lathe to fabricate a movement holder so I had to work with what I had. I took one of Adrian's movement holder and custom ground a washer to center and secure it in the base plate of the hand installer and epoxied it to the base of the movement holder. I also modified it with a screw for depressing the pusher and holding it in place for installing the sub + sweep hands.
The beauty of this tools is that with light pressure while depressing the hand, it allows you to rotate and align the hand perfectly.
It worked like a charm............
First the sub dial hand and the the hour hand..........
Then the minute hand.........
Followed by the sweep hand..............
To be continued..........