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TM 9-4931-710-14&P
5-4 M139/M139A1/M140/M140A1/M154 ALINEMENT DEVICE MAINTENANCE INSTRUCTIONS-CONTINUED
REASSEMBLY - CONTINUED
K Install lever (14), screw (15), nut (16), and
cotter pin (17).
Note
Reticle must be installed with slotted end
inward. Reticle lines should be 44 to 46
degrees from vertical center line of body.
Cell must be tightened only enough to
eliminate end play until alinement device
is collimated (p 5-28).
L
Install reticle cell assembly (18) and retaining
ring (19).
M Install four setscrews (20). Do not tighten.
Change 3
5-13
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