Nikonians Photo Pro Shop
Making your GT 3 Series Mountaineer tripod a
1. Mountaineer GT 3 series
2. Remove platform with bolt
3. Remove hook tube 
4. Remove wing nut & column
5. Then column liner & O-Ring
6. Screw in tight the TB-30
7. Screw in bolt on hook
with spacer
8. Screw in and tighten
Ball Head
Final assembly detail
We recommend you use the Markins bolt instead since it is made of Titatium.   Click here to download pdf file