To remove sight follow these steps:
First adjust windage all the way to the left as far as it will go.
Next, undo the windage lock sleeve with flat blade screw driver, turn until loose, do not try and remove, collar is held in with a retaining clip.
Next, with collar loose, undo the windage knob and remove the knob.
Remove elevation pinion by pulling out of sight base
Remove aperture
Insert flat blade screw driver into aperture area under sight cover and gently pry up until it springs loose.
Done.
Installation,
Clean and regrease all parts
Instal sight base and rear cover together
Dab of grease to receiver at sight locatiion recess
Use flat blade screw driver under back of sight base on bottom lip of sight cover and push firmly, sight cover should snap into place
Next, install aperture
Next instal elevation pinion, ensuring it is completely in and meshed with aperture.
Slide sight base to the left side
Instal windage knob ansd with your thumb, turn the lock collar only in a reverse direction until you feel it sink in a bitM it has now engaged the pinion shaft correctly
Next turn the xollar with screw driver forward until it comes just snug
Then turn windage knob to engage with sight base
Adjust lock collar as needed to tighten or loosen the sight knobs
To adjust elevation to agree with barrel length follow these instructions
For standard length barrels:
Turn elevation knob to put apertur at it's lowest point.
Next turn elevation knob to put aperture 8 clicks from bottom
Firmly grasp elevation knob and undo screw in elevation knob. You want to prevent any movement of aperture and knob while undoing the screw
Once loose, again hold aperture so it can not move and turn knob to line up the 200 yrd/mtr sight mark with the sight mark on the receiver
Tighten screw while holdin knob firmly
Turn windage and observe 8 clicks from bottom to 200 yrd zero
For 18 inch barrels try 12 clicks from bottom for 200 zero
