TM 9-2350-247-20-1PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDINGLUBRICATION INSTRUCTIONS — Continued0128 00Table 16. Semi-Annual Unit Level Preventive Maintenance Checks and Services for M548A1 and M548A3ITEMNO.INTERVALMAN-HOURITEM TO BECHECKED ORSERVICEDCREWMEMBERPROCEDUREEQUIPMENTNOT READY/AVAILABLEIF:1Semi-AnnualRoad TestNOTEBe sure that all operator level PMCS inyour -10 have been completed prior toperforming unit level PMCS.a. Perform a road test. Drive carrier at least 5miles (8 km).NOTEWhen conditions prevent a road test,perform engine idle (Step 82a. )andgoverned no-load test (Step 83a. ).Check instruments, gauges and warning lightsfor normal indications as outline in your -10.CAUTIONDo not allow engine to operate forprolonged periods if outside airtemperature is less than 85 degrees F (29degrees C) and gauge is above 200 degreesF (93 degrees C), or outside airtemperature is above 85 degrees F (29degrees C) and gauge is above 225 degreesF (107 degrees C). Serious damage toengine may result.aSemi-AnnualLeft and RightSteeringCAUTIONPower plant can be damaged. Do not pivotsteer when carrier is moving except in atrack failure emergency.a. Check steering in left and right turns. If carrierdoes not finish a complete turn when wheel/laterals is turned to left or right, troubleshootsteering system (WP 0006 00).Carrier doesnot turnproperly.0128 00-20
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