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 42 of 100
TB 9-2350-277-40&P-1
INSTALLATION PROCEDURES – Continued
0005 00
0005 00-6
10. Arrange GPS cable (31), RCU cable (33), and power harness (32) along top of fuel tank and thru
the indentation (23) in cable seal adapter (21).
Ensure cables are not pinched.
11. Remove two screws (36), lockwashers (37), and washers (18) from angle bracket on top side of
fuel tank.
Discard screws, lockwashers, and washers.
12. Position guard (35) over cables and edge of cable seal adapter (21).
Using holes in angle
bracket, install cable guard (35) with two screws (36), lockwashers (37), and washers (18).
13. Remove two screws (22) previously installed in (Step 2, page 0005 00-4) that are temporarily
securing cable seal adapter (21) to hull.
WARNING
Adhesive, primer, sealant compounds, and isopropyl alcohol are toxic
and flammable.
These compounds are toxic to eyes, skin, and
respiratory tract.
Continued exposure can make you dizzy and irritate
your eyes and throat.
Always use in well ventilated areas, away from heat, sparks, and
flames.
Do not breathe fumes.
Do not allow into contact with skin
and eyes.
Use goggles or face shield and protective gloves.
14. Apply adhesive to area around cables and in indentation (23) of cable seal adapter (21).
15. Position a second gasket (24) and antenna base cover (34) on cable adapter seal (21) and
secure with four screws (22).
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