Inspect front edge of trigger (11). Replace if chipped or if burrs cannot be removed.
Pull tripping lever (5) rearward. Replace trigger (11) if tripping lever does not return to position without binding.
Check safety (7) for burrs, damaged detent, or distorted lettering. Replace if burrs cannot be removed with crocus cloth (item 3, WP 0074 00) or safety is damaged.
Check headless straight pins (8 and 9) and replace if bent.
Check sear (6) and replace if broken, cracked or worn.
Check sear spring (10) and replace if broken or distorted.
Check trigger housing (4) and replace if broken, cracked, or holes are elongated.
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