Manual
– 19 –
sig pro™
Procedure
1. Remove the magazine and unload the pistol (see Sect. 5.8).
2. Check the elasticity of recoil spring 3 and the smoothness
of the slide 4 action.
– Draw back slide 4 to the stop and allow it to fly forward.
– Check that slide 4 is impelled forward with sufficient
energy and that it locks up.
– Repeat the verification test.
3. Check the trigger mechanism (DA).
– With hammer 29 decocked, pull trigger 19 through.
– Check that hammer 29 cocks and that at the end of
trigger travel, it strikes firmly forward and comes to rest in
the safety intercept notch.
4. Check trigger travel and trigger interruption.
– With hammer 29 decocked and trigger 19 pulled through,
draw back slide 4 to the stop and release it.
– Check that hammer 29 is restrained in its cocked position
(trigger remains pulled through).
(Not applicable to DAO pistols.)
5. Check simple trigger function (SA).
– Release trigger 19.
– Check that trigger bar 22 reengages and whether
hammer 29 drops when the trigger is pulled again.
6. Check function of decocking lever 38 and safety intercept
notch on hammer 29.
– Cock hammer 29 and decock it with decocking lever 38
without touching trigger 19. (Not applicable to DAO
pistols.)
– Check that hammer 29 is arrested in the safety intercept
notch before reaching its forward end position and trigger
19 is guided to the rest position.
7. Check slide catch lever 17.
– Insert empty magazine, draw back slide 4 to the stop
and release it.
– Check that slide 4 remains caught in its rearmost
position.
– Actuate slide catch lever 17.
– Check that slide 4 is released and impelled forward with
sufficient energy.
– Actuate decocking lever 38. (Not applicable to DAO
pistols.)
– Remove magazine.
8. Inspect magazine.
– Check condition of magazine tube 4 6 for signs of damage
or dirt (lips and floorplate).
– Check that magazine floorplate is properly secured.
– Check free movement and spring action of feeder 49.
Maintenance
SIGARMS SIGPRO OM 6/6/01 3:33 PM Page 19