TM 9-1240-382-34
2-4 ELBOW ASSEMBLY - CONTINUED
LOCATION
ITEM
REMARKS
ACTION
INSTALLATION/ADJUSTMENT
Elbow
Boresight
Coat packing (1) lightly with grease
Assembly
Knobs
MIL-G-4343 (App B), and Install
packing in grooved recess of knob
(2). Turn the knob to extend the
adjuster so that blade lust touches
Packing (1)
the reticle housing when knob
Knob (2)
assembly (2) is pushed into
Elbow (3)
position In the elbow (3). (See
Lockwasher (4)
note in remarks column). Install
Screw (5)
lockwashers (4) and screws (5).
Packing (6)
With knob (2) in elbow (3), use
Knob (7)
wrench (p 1-3) to remove screw
Lockwasher (8)
110), spring (11) and knob with-
Screw (9)
scale attached. Set stop l16)
Screw (10)
against right-hand side of pin (18).
Spring (11)
Replace knob so that pin In knob is
Knob (12)
as close to the left hand side of
Scale, Elevation (13)
stop (16) as possible. Install spring
Scale, Deflection (14)
(15) and
Spring (15)
screw (10). Coat packing (6) lightly
Stop (16)
NOTE
with grease MIL-G-4343 (App B)
Clutch (17)
If the adjuster blade is extended
and install packing in grooved
Pin (18)
too far, the spring pressure of
recess of knob (7). Turn knob to
the reticle will not allow the
extend adjuster blade so that blade
knob assembly to seat against
just touches the reticle housing
the reticle housing.
when knob assembly (21 is pushed
Into position in the elbow (3) (See
rote In remarks column.) Install
lockwashers (8) and screws (9).
With knob assembly (7) In elbow
(3), use wrench (p 1-3) to remove
screw (10), spring 111 , and knob
with scale attached.
Set stop
(16)against right-hand side of
pin(18) Replace knob so that pin In
knob is as close to the left-hand
side of stop 116) as possible. In-
stall spring (15) and screw ( I C).
Change 3 2-18
