bring up 'info@collectorsfirearms.com' on your computer. ask for DVD-069. It is a disk that will show you how to breakdown a 45, clean and maintain same. about$25. If you know how to break down a regular 45 pistol, it is the same way.........
Suggest you find a gunsmith and ask for help
Go below to Related links:Click on Weapon breakdown and scroll to Colt .32 & .380 hammerless
Best to get help from a gunsmith.
Best to ask a gunsmith for help
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Colt Customer Service through their website.
Contact Colt Firearms customer service.
made by Colt in 1918.......
Proofhouse.com has Colt sn tables.
You will need to check with Colt Customer Service.
The list I have shows a Colt new service with that serial number as being made in 1915.
That serial number in not in published data for the Service Model. Recommend you call Colt.