TM 11-6660-200-14
5-21.
WIND DIRECTION TRANSMITTER SYNCHRO REPLACEMENT.
MATERIALS/PARTS:
Synchro, transmitter (T-420/GMQ-11 on order nos. 28488-P-55,
5029-P-61, and T-420B/GMQ-11 on order no. 29067-P-58)
19396-P-61, and 40154-P-62) NSN 5990-00-857-9975
PRELIMINARY PROCEDURE: Remove transmitter center section (para 5-16).
5-28