Trigger Adjustment

Should you wish to alter the trigger pressure, the safest way is to detach the stock first. To do this, remove the trigger guard fastening screws. Trigger pressure can also be adjusted, with a proper tool, through the magazine opening, as shown in Fig. 8. The trigger mechanism is constructed for 10 - 20 Newtons (2-4 lbs) trigger weight in the single-stage position. The trigger weight is adjusted to 13 -15 Newtons (3 lbs) at the factory. To be sure that the single-set trigger operates correctly in all circumstances, the trigger weight should not be increased. The trigger weight can be adjusted by the means of screw (1) with an 2.5 mm Allen key. Turning the screw clockwise will increase the trigger weight. NOTE! Screw (1) is self-locking and requires a proper tool. SET-TRIGGER ADJUSTMENT (Fig. 9)

When the trigger is in the "SET" position, the trigger weight is 2 - 2.5 Newtons (7-9 oz.) and cannot be adjusted. The screw (2) adjusts the gap between the trigger and the plunger of the trigger weight spring. This gap feels as creep in the unset stage and should be as small as possible. Preferably the screw should lightly touch the plunger. On the other hand, if the pressure between the screw (2) and the plunger is too heavy, it may prevent the set-trigger from working. NOTE! Screw (2) is self-locking and unnecessary adjustments should be avoided to keep the self-locking device in good condition. SAFETY ADJUSTMENT

The safety is permanently adjusted at the factory. However, if the trigger, trigger sear or safety lever has to be changed, the safety must be re-adjusted. For this operation the trigger mechanism must be returned to the factory in Finland.

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