Used for shimming the NP Sensor.
Screw the large piece, adapter or bushing or whatever you want to call it into the gearbox.
Screw in the center bolt until it contacts the gear tooth.
​Lock it down using the knurled nut and remove the adapter from the gearbox. Take your measurement, measure the NP sensor and calculate your shims.
- ATA Chapter:
- 71-Powerplant
- Maintenance Type:
- Flightline
- Engine:
- Honeywell HTS900
