Browning machine gun caliber .50, M2, aircraft, fixed and flexible. Page: 27
54 p. : ill. ; 22 cm.View a full description of this book.
Extracted Text
The following text was automatically extracted from the image on this page using optical character recognition software:
TM 9-225
BROWNING MACHINE GUN, CALIBER .50, M2 11-12
from left side of bolt. In inserting the sear slide, the bevel end should
be inserted first and the V-cut in the sear slide should be on the bottom.
When the cut on the sear slide is over the corresponding cam on the
sear, release pressure on sear and the slide will be engaged.
(3) Insert pin of sear stop through firing pin extension and depress
sear stop as far as it will go. With thin end of cocking lever, swing
spring end of sear stop into its recess in the bolt.
(4) Insert cocking lever in the bolt, with the rounded nose on the
lower end of cocking lever to the rear of bolt so that it will properly
engage the rear of slot in firing pin extension. Line up hole in cock-
ing lever with holes in bolt and insert cocking lever pin from the left
side.
(5) Cock by pressing forward on cocking lever. Turn cocking
lever to the rear and press in on sear slide to release firing pin and
test correctness of the assembly.
(6) Place bolt switch over bolt switch stud with enlarged portion
of bolt switch to the front of bolt.
(7) If ejector and ejector spring have been removed, replace them
on extractor and insert ejector pin. Holding extractor in an upright
position, insert stud of extractor into the hole in bolt and rotate
downward, being sure that flange on extractor is under collar on
bolt.
12. Changing from left-hand feed to right-hand feed.-In
order to change the gun from left-hand feed to right-hand feed or vice
versa, repositioning of parts must be carried out in the bolt assembly,
belt feed mechanism, and certain parts of the receiver group. The
following describes, in general terms, the manner of changing the
gun from left-hand feed to right-hand feed. By reversing the proc-
ess, the gun may be changed from right-hand feed to left-hand feed.
a. Bolt assembly.-(1) Remove bolt assembly from gun.
(2) Remove extractor assembly from bolt.
(3) Lift up bolt switch high enough to be clear of bolt switch
stud; rotate one-half turn so that bolt switch stud enters opposite
hole in bolt switch. The cam groove in the bolt switch must line
up with the proper cam groove in the bolt. The cam grooves in
the bolt are marked R (right) and L (left).
NoTEr.--When assembled correctly for right-hand feed, the enlarged portion
of the bolt switch is toward the rear of the bolt.
(4) Assemble extractor assembly to bolt.27
Upcoming Pages
Here’s what’s next.
Search Inside
This book can be searched. Note: Results may vary based on the legibility of text within the document.
Tools / Downloads
Get a copy of this page or view the extracted text.
Citing and Sharing
Basic information for referencing this web page. We also provide extended guidance on usage rights, references, copying or embedding.
Reference the current page of this Book.
United States. War Department. Browning machine gun caliber .50, M2, aircraft, fixed and flexible., book, April 30, 1942; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc29988/m1/29/: accessed May 23, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.