The 360-degree dust port is jammed or loose, or a compatible hose/coupler will not stay attached.

The 360-degree dust port is jammed or loose, or a compatible 1. Remove the battery and test the empty port through its swivel range without a

• FM-33: Fm 5 1

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

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