failure mode
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.
Panoramica diagnostica
Continuous abnormal grinding, knocking, or scraping noises occur at no load with the bit removed.
Cause probabili
- 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
Controlli rapidi
- No-load operation is smooth except for normal motor sound and an occasional direction-change click.
Anteprima riparazione
1.
Questa è un'anteprima della guida alla risoluzione dei problemi inclusa nel manuale di riparazione completo.
Sintomi correlati
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
Incluso nel manuale completo
- root cause analysis
- tools needed
- step-by-step repair procedure
- diagrams
- exploded views
- post-repair checks
Le pagine pubbliche mostrano solo un'anteprima. Acquista il manuale completo per scaricare passaggi di riparazione, diagrammi e procedure di verifica completi.