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side
122
Total traversing capability -
right side
127
Depression and elevation limits:
Left side maximum depression
6730
Left side maximum elevation
730
Right side maximum depression
73
Right side maximum elevation
7
TM 1-1520-240-10
4-2-3
Figure 4-2-1. Armament Subsystem
TM 1-1520-240-10
4-2-4
Figure 4-2-2. Machine Gun M60D
4-2-9. Inflight Operation. Inflight operation consists
of the following:
Inflight operation consists of the following:
1. Preparation for firing.
a. Check the machine gun to see that it is
secured with a quick-release pin on the
pintle (fig. 4-2-9).
b. Check the machine gun for freedom of
movement in elevation, depression,
and traverse.
c. Load the linked cartridges into the machine
gun.
NOTE
Inspect the linked cartridges to make sure
they are securely positioned in the links.
NOTE
The pilot will alert the gunners when there is
need to fire the machine gun.
2. Firing.
With the machine gun loaded and aimed, push the safety
button to fire (F) position. Because of the low rate of fire,
TM 1-1520-240-10
4-2-5
single cartridges or short bursts can be fired. The trigger
must be completely released for each shot to fire single
cartridges or to interrupt firing. When the ammunition is
exhausted, the last link will remain in the cartridge tray.
Remove the link and the end plug by hand after the cover
is opened for loading.
CAUTION
Do not fire the M24 machine guns unless
the ejection control bags are installed.
Failure to install the bags before firing the
machine guns could cause the brass and
links to be ejected overboard and ingested
into the engines if engine screens are removed.
CAUTION
The M24 machine guns are not to be fired
unless the RRPM is at minimum beep or
higher.
3. After Firing Operation.
a. Ensure the bolt is locked to the rear and
the weapon is placed on safe. Open the
feed tray cover and remove any rounds,
links or end plug. Point the weapon system
in a safe direction. Close the feed
tray cover. Place the weapon in FIRE
and ride bolt forward.
b. Retract the bolt by pulling the handle
fully rearward until the sear engages
and then push the handle to forward
position. Move the cover latch rearward
to the horizontal position and then raise
the cover. Remove the linked cartridges.
c. Inspect the chamber to be sure it is
clear.
d. Close the cover and secure the machine
gun in stowed position.
TM 1-1520-240-10
4-2-6
Figure 4-2-3. M24 Mount
Figure 4-2-4. Ammunition Can and Ejection Control Bag
TM 1-1520-240-10
4-2-7
Figure 4-2-5. Right Machine Gun Mount — Installed
Figure 4-2-6. Machine Gun Stowed on Right Mount
TM 1-1520-240-10
4-2-8
Figure 4-2-7. Ejection control Bag — Installed
TM 1-1520-240-10
4-2-9
Figure 4-2-8. Ammunition Can — Installed
TM 1-1520-240-10
4-2-10
4-2-10. Ammunition.
The M60D machine gun is used for M24 and M41 armament
subsystems. The ammunition for 7.62 mm machine
gun M60D is classified as small arms ammunition and is
issued in linked belts. Issue is in proportion by types to
meet tactical requirements (table 4-2-2).
Table 4-2-2. Authorized Cartridges
7.62-millimeter: AP, NATO M61
7.62-millimeter: Ball, NATO M59
Table 4-2-2. Authorized Cartridges (Continued)
7.62-millimeter: Ball, NATO M80
7.62-millimeter: Tracer, NATO M62
7.62-millimeter: Dummy, NATO M63
4-2-11. Armament Subsystem M41.
Armament subsystem M41 is installed at the rear edge
of the ramp. The mount has a pintle and post with limiting
cam surfaces similar to those on armament subsystem
M24 mount assembly. The machine gun, ammunition
can, and ejection control bag are the same as those on
armament subsystem M24.
Figure 4-2-9. Machine Gun Positioned on Pintle — Left Side Shown
TM 1-1520-240-10
4-2-11/(4-2-12 blank)
Figure 4-2-10. M41 Mount — Installed on Ramp
4-2-12. Mount Assembly (M41).
The mount is positioned on the lugs of the ramp bracket
and is secured with a quick-release pin (fig. 4-2-10).
NOTE
If the bracket must be installed, be sure to center it along
the rear edge of the loading ramp.
4-2-13. Mount Assembly Stops, Cams, Quick-Release
Pin, and Elastic Cord (M41).
The mount stops, cams, quick-release pin, and elastic
cord have the following functions:
a. Maximum traverse, elevation, and depression of
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