TM 10-5411-231-13&P CARGO BED COVER (CBC) HMMWV,  TYPE I 0009 00 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)   Table 0009 00-1.  Preventive Maintenance Checks and Services for CBC HMMWV, Type I ITEM NO. INTERVAL     MAN- HOUR ITEM TO BE CHECKED OR SERVICED PROCEDURE EQUIPMENT NOT READY/ AVAILABLE IF: 1 2 3 4 5 6 7 Before After Before After Before After Before After Before After Before After Before   After 0.8 0.1 0.1 0.1 0.1 0.1 0.1 CBC Shell (1) Upper Door (2) Lower Door (3) Cab Access   Door (4) 2-Way   Ventilators (5) Folding Steps (6) Lifting Rings (7)   Visually inspect for damage such as cracks or holes. Check storage access panel assembly. Check for movement of door by inspecting hinge.   Check for proper operation of door lock.  Check seals.   Check door holder components.    Check for movement of door by inspecting hinge.   Check for proper operation of door lock.  Check seals. Check for movement of both door halves. Check for movement of ventilators. Check that steps fully extend and retract. Check for damage or loose hardware on lifting rings. Shell is damaged. Hinge is defective or rusted, latch assembly and door holder compo- nents are defective or broken, seals are deteriorated causing leakage. Hinge is defective or rusted, door lock is defective or broken, seals are deteriorated causing leakage. Doors stick or move erratically. Ventilators do not open or close properly. Steps do not extend or retract. Lifting rings are damaged or hardware not tight. 0009 00-3