Backup Alternator

Alternator Models

• BC410-H 14/28V at 30A on vaccum drive of IO-540
• PlanePower FS1-14
  • FB Thread
• Monkworkz
  • FB Thread

Tools Needed

• Snapon vaccum pump wrench
• FB thread on special tool to get to some of the hard to reach nuts.

Maintenance

• The vacuum drive has a shear coupling that needs regular replacement (every 500h / 5 years), see Vic Syracuse's video. For the BC410-H, check this one.