TM 9-1240-401-34&P
3-6. INITIAL INSPECTION
M118A2/M118A3 ELBOW TELESCOPE
Procedures
Item To Be Inspected
Item No.
Inspect M118A2/M118A3 elbow telescope (1) for completeness and
M118A2/M118A3 ELBOW
1
TELESCOPE
secureness of parts.
IDENTIFICATION PLATE
Check that print on identification plate (2) is legible and clearly
2
defined.
Check that mounting surface (3) is free of burrs and
MOUNTING SURFACE
3
corrosion.
Inspect eyeshield (4) for security of attachment and damage such
EYESHIELD
4
as deterioration, cuts, or tears.
Inspect valve core and air valve cap (5) for damage such as bends
VALVE CORE AND
5
AIR VALVE CAP
or breaks and ability to hold pressure.
Inspect optics (6) for dirt, fungus, scratches, chips or condensation,
OPTICS
6
which may obstruct view through eyepiece.
Inspect view through telescope to determine if interfering fractures
exist on window, lens, prisms, or reticle; chipped, scratched, or
pitted optics that interfere with field of view must be replaced.
Check reticle (7) for clarity and illumination.
7
RETICLE
Check that level (8) is free of cracks and breaks and that
8
LEVEL ASSEMBLY
graduations are legible. Check that mirror (9) on level assembly
is not scratched.
Check that knobs on wormshaft assembly (10) move freely without
WORMSHAFT ASSEMBLY
9
binding or excess torque.
Check that variable resistor knob (11) moves freely and that light
VARIABLE RESISTOR
10
changes from dim to bright and bright to dim.
