TM 55-1945-205-10-4 0099 00 23 0099 00 17 Before .05 Lift Shackles Remove water from lift shackles. 18 Before 0.5 Flexors 1. Inspect uninstalled flexors for separation of the polyurethane material in the center. If separation of the polyurethane material in the center of the flexor is found, contact unit maintenance. Separation of the polyurethane material in the center of the flexor is found. 2. Inspect uninstalled flexors for cracks in the external weldments on the ends. If cracks in the external weldments on the ends of the flexor are found, contact unit maintenance. Cracks are discovered in the external weldments on the ends of the flexor. 19 Before 1.0 Non-Powered Modules Inspect modules for broken welds, cracks, punctures and corrosion. If found, contact unit maintenance. Any damage to deck fittings is found that would affect operation. 1 During .05 Light Tower Check tower lights for operation. If lights do not operate, contact unit maintenance. 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: CLEAT LIFT SHACKLE D-RING POLYURETHANE SECTION METAL END METAL END