TM 5-6675-323-14
8-10.1 Adjust
Drag.
MOS: 81Q, Terrain Analyst
TOOLS: Hex Head Key Wrench Set
a.
Rotate attachment lens and stage lens to vertical and horizontal
positions. Observe if gravity pulls lenses down or if tension is too
great to easily move lenses.
b.
U s e a hex head key wrench on adjustment screws. Turning wrench to
right tightens adjustment screw, increasing drag. Turning to left
loosens adjustment screw, decreasing drag.
c.
Test adjustment by positioning lenses. Observe that lenses retain
position. Movement must be firm but not too tight.
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