TM 5-3895-382-24 Table 1-1.  Unit Preventive Maintenance Checks and Services - CONT Location Item Interval Man- Item to be Procedure Not Fully Mission No. hour Checked or Capable If: Serviced NOTE ·  Refer to DA Pam 738-750 for sampling requirements. ·  Hard time intervals for engine oil PMCS apply only during warranty period.  After expiration of warranty, active and reserve Army Units will send engine oil sample to an AOAP laboratory for analysis after 50 hours or quarterly, whichever comes first. National Guard activities will use 50 hours or semiannually, whichever comes first, as the prescribed interval. ·  Intervals for sampling as well as draining and refilling lubricants may be changed by an AOAP laboratory. ·  If AOAP laboratory support is not available, change engine oil and filter (page 1-72) after 250 hours of operation. 7 50 H or 0.1 Engine Oil Take engine oil sample for AOAP analysis Faulty oil results Q (page 1-7, page 2-20). received from AOAP lab "Do not operate". 8 250 H 0.1 Engine Oil Change oil and filter (page 1-72). 9 At First 0.1 Engine At first oil change, notify Direct Support to 250 H adjust valve lash. 10 At First 0.1 Hydraulic Oil Change hydraulic oil filter (page 1-83). 250 H Filter 11 At First 0.1 Drum Gear Change gear lubricant (page 1-84). 250 H Reducer 12 At First 0.1 Axle Gear Change gear lubricant (page 1-85). 250 H Reducer 13 At First 0.1 Axle Change gear lubricant (page 1-85). 250 H Planetaries 1-14