TABLE 4-1. ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES--continued

T M 5 - 6 1 1 5 - 5 8 5 - 1 2 NAVFAC P-8-262-12 TO - 35C2 - 3 - 455 - 1 TM-05684C-12 TABLE 4-1. ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES--continued 4 - 6 Change 5 ITEM TO BE INSPECTED Fuel Tank Lubricating O i l a n d F i l- t e r F u e l S t r a i n- e r Primary Fuel F i l t e r Secondary F u e l F i l t e r B a t t e r i es Crankcase Breather Dust caps o n a ir c l e a n er A i r c l e a n er PROCEDURES Check for and have repaired Open drains on fuel strainer, and primary and secondary filters. Drain water and sediment (para 3 - 2 0 ). Allow to drain until fuel runs clean. Open drain on fuel tank and drain water and sediment (para 3-13). Allow to drain until fuel runs c l e a n . Change lubricating oil and filter every 100 hours (L.O., fig. 3-1). Clean fuel strainer hours of operation Service primary hours of operation of operation e v e r y 3 0 0 ( p a r a 4 - 2 0 ) . f i l t e r e v e r y 5 00 ( p a r a 4 - 2 0 ) . Service secondary filter every 1000 hours (para 4-20). Perform a hydrometer test on batteries every 300 hours, or q u a r t e r l y. Refer to para 4-25c for test procedures. Inspect breather tube every 500 hours, clean as necessary (para 4 - 4 5 ). C l e a n o u t d u s t c a p s o n a ir c l e a n e r a s s e m b l y ( e v e r y 1 00 o p e r a t i n g h o u r s o r m o r e f r e- q u e n t l y u n d e r u n u s u a l c o n d i - t i o n s . ) C l e a n e v e r y 1 0 0 0 o p e r a t i ng h o u r s o r a s c o n d i t i o n s d i c - t a t e . R e p l a c e a i r c l e a n er e v e r y 2 0 0 0 o p e r a t i n g h o u r s . EQUIPMENT IS Not Ready/ Available if: Air cleaner is missing or unserviceable.