How To Repair Restore Cressi SL Star Pneumatic Speargun (DETAILED)

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Hello people welcome back once again. Today I'll be repairing and restoring a rusted and forgotten Cressi SL star pneumatic speargun.

This is a long video so feel free to play this video on 1.5x or 2x speed. Chapters are given at the end of this description.

I am restoring the 70 cm variant of the Cressi SL Star pneumatic speargun. I have used a similar model of the speargun shown here to shoot a monster fish. It is a powerful and a compact speargun and it is pretty accurate. Watch me use this speargun below.

Monster barramundi:    • Spearfishing for MONSTER Barramundi in India  

If you have any questions about repairing this speargun or another speargun then don't hesitate to leave a comment under this video and I'll they my best to revert back to you at the earliest.

Please note that I am not a professional and I don't have a proper workshop to work on such things so wherever I find a space in my house I just work over there haha.

Please do not try to repair spearguns if you do not have the adequate knowledge.

Seek a trained professional instead.

Chapters:

Disassembling the speargun

1:00 Opening rusted spear tip
3:30 Opening the barrel from rear
5:04 Opening the muzzle
6:15 Removing the piston
10:30 Removing the rear nut
12:46 Cleaning the internal barrel
13:10 Removing the trigger mechanism
15:15 Removing trigger from the handle
17:00 Smallest pin under trigger
19:45 Sanding rusted shaft
25:39 Deep cleaning internal barrel
29:26 Sanding muzzle

Assembling the speargun

31:26 Installing trigger mech
41:13 Installing external barrel
42:35 Greasing
44:23 Lubricating oil
45:02 Installing piston
46:49 Installing muzzle
48:22 Adjusting trigger pin (tricky part)
55:28 Rear nut tightening (final)
56:09 Pumping pressure
57:10 Bucket water challenge
57:34 Installing threaded spear tip
1:01:45 Underwater shooting test