FM-21: FM-21 INTERNAL GRINDING, KNOCKING, OR SCRAPING AT NO LOAD

Continuous abnormal grinding, knocking, or scraping noises occur at no load with the bit removed.

• Debris or damage is present at the chuck nose
• Front support, bearing, or anvil is worn
• Reduction gears or hammer parts are damaged
• A loose internal part is contacting the rotating drive

1. No-load operation is smooth except for normal motor sound and an occasional direction-change click.

1.

이것은 전체 수리 매뉴얼에 포함된 문제 해결 안내의 미리보기입니다.

• With the bit removed, the driver makes continuous abnormal grinding, knocking, or scraping.

  With the bit removed, the driver makes continuous 1. Remove the pack and bit; inspect the chuck nose, housing, and vents for

• root cause analysis
• tools needed
• step-by-step repair procedure
• diagrams
• exploded views
• post-repair checks

공개 페이지에는 미리보기만 표시됩니다. 전체 수리 단계, 다이어그램 및 검증 절차를 다운로드하려면 전체 매뉴얼을 구매하세요.