TM 55-1945-205-10-4 0099 00 56 0099 00 END OF WORK PACKAGE 1 Every 100 Hours of Operation .1 Light Tower 1. Check all hinges, nuts, bolts clamps, rivets and latches for looseness. If loose hinges, nuts, bolts clamps, rivets or latches are found, contact unit maintenance. 2. Check all enclosure panels for warping, bending and tearing and for positive sealing. If warping, bending, tearing or defective seals are found, contact unit maintenance. 2 Every 100 Hours of Operation .1 Light Tower Engine    Check engine intake and exhaust systems for loose, damaged or deteriorated components. If loose, damaged or deteriorated components are found, contact unit maintenance. 2 Every 150 Hours of Operation .2 Light Tower Engine    Check air intake hoses for damage. If hoses are damaged, contact unit maintenance. 1 Every 250 Hours of Operation .5 Light Tower Check radiator and oil cooler. Ensure unrestricted airflow is maintained through radiator and oil cooler. If airflow is restricted, clean radiator or oil cooler. 2 Every 250 Hours of Operation .3 Light Tower Engine    Check all components of the cooling system. Ensure unrestricted airflow is maintained through radiator and oil cooler. 3 6 Years 1.0 Generator Container    Hydrostatically test portable fire extinguisher and replace o-rings. Contact Specialized Repair Activity (SRA). 4 6 Years 1.0 Personnel Shelter Hydrostatically test portable fire extinguisher and replace o-rings. Contact Specialized Repair Activity (SRA). 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: