TB-9-2350-277-40-P-1
CARRIER, MORTAR, 120-MM M121, SELF-PROPELLED M1064A3
TECHNICAL BULLETIN; INSTALLATION OF CREW II MODIFICATION KIT PART 1 OF 4
JUNE 2009
TB-9-2350-277-40-P-1 - Page 47 of 100
TB 9-2350-277-40&P-1
INSTALLATION PROCEDURES – Continued
0005 00
0005 00-11
NOTE
If installing SINCGARS antenna, do Steps 6-9 using four shorter
screws (B1821BH038C175N).
If installing antenna cover, go to Step
10.
6.
Position gasket (24) on GPS mount (51).
7.
Pull antenna cable (59) thru gasket and attach to antenna base (55).
8.
Pull ground strap (56) thru gasket and attach to antenna base (55) with screw (58) and
lockwasher (57).
9.
Secure antenna base (55) to GPS mount (51) using four screws (54) and lockwashers (60).
Ensure cable (59) is properly adjusted and not pinched; tighten screws.
Figure 9.
GPS Cable and Antenna Installation
10. Position gasket (24) and cover (34) on GPS mount (49) and secure using four screws (22).
Ensure cable is properly adjusted and not pinched; tighten screws.
Figure 10.
GPS Antenna Cover Installation
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