11" coil doesnt need washers?

Charlie P. (NY)

Gold Member
Feb 3, 2006
13,003
17,106
South Central Upstate NY in the foothills of the h
Detector(s) used
Minelab Musketeer Advantage Pro w/8" & 10" DD coils/Fisher F75se(Upgraded to LTD2) w/11" DD, 6.5" concentric & 9.5" NEL Sharpshooter DD coils/Sunray FX-1 Probe & F-Point/Black Widows/Rattler headphone
Primary Interest:
Metal Detecting
My original F-75 had one black washer for the 11"DD. When I sent it for the upgrade it came back with two red washers.
 

digger27

Bronze Member
May 18, 2011
1,506
3,225
I have the 11" coil on my F70 and it just clicks into place and stays stable and firm with no washers.
I also have the small DD sniper and the 10" elliptical coils and they both fit and work fine without washers, also.
 

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dan_h

Full Member
Sep 9, 2005
129
9
The "Read Me First" sheet that was in the box advised that the 10" and 11" coils were designed to be used without washers and use of the washers might damage the plastic. I'll use the washers with the 5" coil, then remove the washers when I install the 11" coil.
 

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dan_h

Full Member
Sep 9, 2005
129
9
I also received the red washers, they fit flush with the recesses in the pole. Apparently the warning in the Read Me First sheet pertained to a thicker washer used in the past.
 

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