M145 TELESCOPE

 MOUNT


(NOTE: The nameplate will probably identify the
M145 as T208 but think nothing of it.)


M145 TELESCOPE MOUNT All 4
vials (Quadrant Crosslevel, Eleva-
tion Level, Pitch Level and Cross-
level) light up when toggle switch is
turned ON. Vials not broken, covers
turn easily, bubbles can be cen-
tered, red gradation lines easy to
read. All knobs and wheels present,
easy to turn. Glass over elevation
and correction counters not cracked
or dirty. Both pairs of correction
dials can turn through full range of
00 to 99. All electrical wiring in
good shape. (Replace any burned
out bulbs.) Linkage adjusted right,
not binding or sticking. Catch holds
M117 telescope securely. Name-
plate not painted over. Nitrogen
valve cap present


M117 FArllORAMi: TELESCOPE (T177)-
Rubber eyeshield not hardened, cut, or
torn. Eyepiece rotates within its arc of
movement without binding Nitrogen
valve cap in place. Reset knob moves
Ireely and stops by itself when the reset
counter reads 3200. Azimuth (deflec-
lion) counter latch and door in working
condition Azimuth knob turns Ireely
and moves azimuth counter numbers
without backlash or lost motion. Azi
mulh knob rotates the cap assembly as
the numbers in the azimuth (dellec-
tion) counter change Gunner's aid knob
turns easily and moves the numbers in
the gunner's aid counter windows
through lull range from 00 to 50 mils.
Bolh rheoslat knobs (bottom knob for
counter windows, top knob lor reticle)
work through their entire range.


 Mill

PANORAMIC

 TELESCOPE

 (Ti77)


BOi;'EIHTIH I hl M] 7 You can ruin your MI 17 telescope
unless you know the right way to boresight it. To make the
adjustment push in the boresight adjusting shaft all the
way with a screwdriver and keep it pushed in as you turn
the shaft until you get a 3200-mil reading in your azimuth
counter Then you let it out .f


I