C9, TM 9-2350-230-12
REMOVAL
INSERT SCREWDRIVER 5120-287-2130 BETWEEN
GUN TUBE AND OBTURATOR GAS SEAL AND PULL
TO
SNAP SEAL OUT OF SEAT IN GUN TUBE.
CLEANING
REFER TO TABLE 5-8.1.
INSTALLATION
POSITION SEAL IN GUN TUBE AND SNAP INTO
PLACE
IN SEAT IN GUN TUBE.
CAUTION: USE PROPER TOOL AND EXTREME
CARE DURING REMOVAL AND INSTALLATION
TO AVOID DAMAGE TO THE SEAL.
WE 12162
Figure 5-10.1. Removal/installation - obturator seal
Figure 5-10.2. Gun-launcher buttress threads, and ammunition detent and scavenger openings
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