Snapshot trigger lever loose or broken

Snapshot trigger lever loose or broken.

POSSIBLE CAUSES AND SOLUTIONS

CAUSE: Weak or broken trigger spring.
SOLUTION: Replace with new trigger spring.

CAUSE: Trigger and/or trigger link assembly worn or broken.
SOLUTION: Replace with new part(s)

CAUSE: Trigger assembly E-clip missing or not in retaining groove.
SOLUTION: Replace or install E-clip in retaining groove.

CAUSE: Trigger assembly shaft hole in rotor houseing too loose.
SOLUTION: Replace rotor housing.