This service information letter (SIL) notified customers to inspect the electrical slip ring for proper...
Altec technical service bulletin SIL 677 for 1992-2017 Altec Digger Derrick.
- Bulletin number
- SIL 677
- Component
- Equipment
- Summary
- This service information letter (SIL) notified customers to inspect the electrical slip ring for proper installation. Slip rings found to be improperly installed are to be replaced.
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