INSTALL CARTRIDGE (SQUIB), FIRE EXTINGUISHER (30402103) (Continued)

TM 55-1520-240-23-10 12-30 INSTALL CARTRIDGE (SQUIB), FIRE EXTINGUISHER (30402103) (Continued) 12-30 Do not allow housing to turn. If housing loosens, fire extinguisher can discharge and cause personnel injury. NOTE There are two cartridges (squibs) on each fire extinguisher (bottle). Both are installed in same way. 1. Install packing (1) on cartridge (2). 2. Apply grease (E190) to cartridge thread (3). 3. Use wrench (4) on the flats of housing (5) to keep it from turning. 4. Install cartridge (2) in housing (5). 5. Torque cartridge (2) to 175 inch-pounds. 6. Lockwire cartridge (2) per directions on decal (6). Use lockwire (E231). Be sure to remove shunt, otherwise fire bottle won’t discharge when it is needed. 7. Remove shunt wire (7) from electric terminal (8) and ground terminal (9). 8. Connect wire (10) and install nut (11) on ground terminal (9). Torque nut to 10 inch-pounds. Remove tag from wire. 9. Connect wire (12) and install nut (11) on electric terminal (8). Remove tag from wire. INSPECT FOLLOW-ON MAINTENANCE: Perform operational check (TM 55-1520-240-T). END OF TASK 12-72