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6-2
MODEL 2100 OVERHEAD PROJECTOR
STAGE GLASS
1. Remove Top Cover Assembly.(See page 6-
1)
2. Remove the Fresnel Lens. (See page 6-1)
3. Remove the six (6) tamper proof screws
using a T15 Torx Driver. (3M Part Number
26-1005-8317-3)
4. Remove the MASK (black frame) and Stage
Glass.
5. To reassemble, make certain the beveled
edges on the Stage Glass are facing down
and the 3M logo is in the lower left front
corner. (2140/2150 only, 2130 does not
have logo)
NOTE
This drawing of Stage is up side down.
6. Reassemble MASK and Fresnel Lens in
reverse order as noted above.
FOCUSING ASSEMBLY
1 Remove knob.
2. Before disassembling, turn Adjusting Screw
clockwise to loosen assembly.
3. Remove the four “A” screws and cover. (All
internal parts are now exposed.)
4. Before re-assembling, turn adjusting screw
counterclockwise. (This procedure makes
re-assembly easier.)
5. After re-assembly is completed, readjust the
focus tension.