Fix : Allow the tool to warm up to room temperature. If it still doesn't hammer, try "slamming" the chisel against a hard surface while running to loosen the internal knocker. : Typically an electrical issue.
| Symptom | Likely Failed Part (from diagram) | Repair Action | |---------|----------------------------------|----------------| | Low impact force | Worn ram seal or buffer ring (#36, #37) | Replace seals, check piston | | Tool bit falls out | Broken ball retainer or worn chuck sleeve (#07, #08) | Replace chuck components | | No rotation, motor runs | Stripped bevel gear teeth (#25) | Replace bevel gear set | | Excessive vibration | Cracked damping handle (#02) or missing bumper (#04) | Replace vibration dampers | hilti te 22 parts diagram work