TM 55-1945-205-10-4 0099 00 51 0099 00 21 Monthly 5.0 Module Interlock Connector (Male Locking Pin) (Cont’d) 3. Check the pin to ensure stop bar is attached. If stop bar is removed, remove pin from service and replace stop bar. Contact unit maintenance. If stop bar is removed. 4. Check the connector pin for cracks and/or unusual damage (missing material, notches, etc.) If any cracks and/or unusual damage is present, remove pin from service. Contact unit maintenance. If any cracks and/or unusual damage is present. WARNING 3 Quarterly 1.0 Generator Container    Lubricate generator container door hinges. Lubricate with grease, MIL-G-81322. Grease by hand. WARNING 4 Quarterly .5 Personnel Shelter 1. Lubricate personnel shelter door hinges. Lubricate with grease, MIL-G-81322. Grease by hand. 2. Clean incinerator toilet interior of dust and paper bits. Table 1.  Preventive Maintenance Checks and Services. (Continued) ITEM NO. INTERVAL MAN- HOURS ITEM TO BE CHECKED OR SERVICED PROCEDURE EQUIPMENT NOT READY/ AVAILABLE IF: