0069 00
TM 1-6625-724-13&P
0069 00-40
Figure 23. Engine Output Shaft Connecting Stud and Reflective Tape Location
Figure 24. No. 1 Engine Output Shaft Optical Tachometer Sensor Installation
CAUTION
Damage to cables will result if cables contact engine
output shaft. Make sure cables are secured and do
not contact engine output shaft.
NOTE
Route 20-foot long cable over top of input module when
checking balance of engine output shaft.
r.
Connect optical RPM sensor cable to the DAU receptacle marked TACHO 1 (if balancing ENG 1) or TACHO 2
(if balancing ENG 2).
s. Check area around engine for foreign objects.
