Not my videos but may be of some help to anyone building/stripping a pump even if the pump is for a NAD 
2 more on re-assembly
And finally another vid on how it's calibrated

2 more on re-assembly
And finally another vid on how it's calibrated

![[Image: Image423_zps1ac08bc4-1_zps15c76431.jpg]](http://i1225.photobucket.com/albums/ee388/humbrol/Image423_zps1ac08bc4-1_zps15c76431.jpg)