Beretta SV10 Prevail III Beretta SV10 Perennia/Preveil User Manual - Page 29
Maintenance
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ADJUSTING THE DROP • Unscrew the two side screws of the adjustable comb and loosen the central "memory" screw by one turn only (Fig. 40). NOTICE: In case the screw has been loosened excessively it is designed to release the internal retaining nuts in order to avoid possible damages to the stock. To re-establish the original assembly condition, it is sufficient to manually realign the internal locking stem of the screw and retightening it. • Move the front and/or the rear part of the adjustable comb upwards or downwards to obtain the required drop. • Only tighten the two side screws of the adjustable comb using only the supplied key. • When the drop adjustment is correct, tighten the central "memory" screw using only the key supplied. NOTICE: When the drop adjustment is correct, tighten the central "memory" screw using only the key supplied. NOTICE: The tightening of the central "memory" screw locks the drop position. When you disassemble the adjustable comb from the stock, (to modify the cast or for cleaning), it is sufficient to unscrew only the two side screws. When you reassemble it, the "memorized" drop will be re-established. • Check the adjustment of the cast and drop by mounting the gun. • For a fine adjustment of the drop, loosen the central "memory" screw by one turn and the two side screws by half•a-turn. When you move the adjustable comb, it will "click" between the various positions by small increments. • When the correct position is found, tighten all the three screws, always using only the key supplied. NOTICE: Periodically inspect your "Memory System" device. Dirt and dust can interfere with the functioning of the adjustment mechanism. MAINTENANCE WARNING: Always check that the shotgun is unloaded (empty cartridge chambers). If not, unload it as instructed in the relevant section. WARNING: Never point the firearm at someone or at hard and flat surfaces. Always treat the shotgun as if it were loaded. On Beretta shotguns, maintenance has been reduced to a minimum, but that minimum must be performed to ensure safe and reliable functioning and a longer service life for the shotgun. CAUTION: To clean the gun, merely disassemble it following the procedure 61