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 37 of 100
TB 9-2350-277-40&P-1
INSTALLATION PROCEDURES
0005 00
0005 00-1
THIS WORK PACKAGE COVERS:
Install CREW II Mount Assembly (page 0005 00-1).
Install Tank Support Mount
(page 0005 00-3).
Install GPS, RCU, and Primary Power Cables (page 0005 00-4).
Install GPS Antenna Kit (page 0005 00-9).
Install PDU/RCU Bracket Assembly (page 0005 00-11).
Install Antenna Stowage Bracket (page 0005 00-13).
Install Enclosure Assembly (page 0005 00-14).
INITIAL SETUP:
Maintenance Level
Sustainment
Tools and Special Tools
General Mechanic’s Tool Kit (WP 0011 00, Item 4)
Measuring Tape (WP 0011 00, Item 6)
Endless Sling (WP 0011 00, Item 8)
Torque Wrench (WP 0011, Item 9)
Materials/Parts
Cleaning Compound (WP 0013 00, Item 1)
Sealing Compound (WP 0013 00, Item 3)
Sealing Compound Primer (WP 0013 00, Item 4)
CREW II Modification Kit (12498030)
Personnel Required
Mechanic
Helper (H)
References
TM 9-2350-277-10
TM 9-2350-277-20
Equipment Conditions
Carrier parked on level ground
Engine stopped (TM 9-2350-277-10)
Vehicle blocked (TM 9-2350-277-10)
CREW II cable port drilled (WP 0004 00)
Top shelf of vertical ammo rack removed
(TM 9-2350-277-20-4)
Top door of horizontal ammo rack
opened
Power plant rear access panel removed
(TM 9-2350-277-20-4)
Bulkhead drilled for PDA/RCU
bracket
(WP 0004 00)
Antenna stowage bracket holes drilled
(WP 0004 00)
INSTALL CREW II MOUNT ASSEMBLY
NOTE
If bar armor is installed, discard all existing hardware and use new
hardware for installation.
Use additional washers (MS10910174-5) as
spacers to shim bar armor to CREW II mounting bracket.
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