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Introduction

A failed impulse coupling can cause the crankshaft gear to break off. This will cause the aircraft's magneto not to work therefore the aircraft's engine will not start.

Parts

No parts specified.

  1. Use a 9/16 wrench to unscrew the nut on the drive shaft. Use a 9/16 wrench to unscrew the nut on the drive shaft.
    • Use a 9/16 wrench to unscrew the nut on the drive shaft.

  2. Remove the lock washer underneath the nut.
    • Remove the lock washer underneath the nut.

  3. Pull away the impulse coupling. Pull away the impulse coupling.
    • Pull away the impulse coupling.

Conclusion

To reassemble your device, follow these instructions in reverse order.

2 other people completed this guide.

Kelsi English

Member since: 09/26/2012

426 Reputation

5 Guides authored

Team

Cal Poly, Team 1-2, Propen Fall 2012 Member of Cal Poly, Team 1-2, Propen Fall 2012

CPSU-PROPEN-F12S1G2

4 Members

5 Guides authored

One Comment

OK now I need to fix my Boeing 737-Max 8

ein Stein - Reply

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