PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING
LUBRICATION INSTRUCTIONS Continued
Uncover air inlet grill.
WARM-UP ENGINE (M548A3)
To warm up the engine for a maintenance or troubleshooting task, do the following:
Cover air inlet grill.
Start engine (see your -10).
Apply parking brake and foot brake.
Move gear selector to 2-3 range.
Run engine at approximately 800 rpm for 3 to 5 minutes, or until normal operating temperature is reached.
Lower engine rpm to idle.
Move gear selector to SL.
Stop engine (see your -10).
Uncover air inlet grill.
EXPLANATION OF PMCS TABLE ENTRIES
Item Number Column Numbers in this column are for reference. When completing DA Form 2404 (Equipment
Inspection and Maintenance Worksheet), include the item number for the check/service indicating a fault. Item numbers also
appear in the order that you must do the checks and services for the intervals listed.
Interval Column This column tells you how often you must perform the checks/services. Semi-Annual checks/services
must be performed every six months or after 1500 (2400 km) of operation.
Man-Hour Column This column gives the man-hours (to the nearest 10th of an hour) needed to complete the prescribed
lubrication service. This column is used only for lubrication services.
Item To Be Checked or Serviced Column This column lists the item to be checked or serviced.
Crewmember/Procedure Column This column gives the procedure you must do to check or service the item listed in the
Item To Be Checked or Serviced column to know if the equipment is ready or available for its intended mission or for
operation. You must do the procedure at the time stated in the interval column.
Equipment Not Ready/Available If: Column Information in this column tells you what faults will keep your equipment
from being capable of performing its primary mission. If you perform check and service procedures that show faults as listed
in this column, do not operate the equipment. Follow standard operating procedures for maintaining the equipment or
reporting equipment failure.
ARMY OIL ANALYSIS PROGRAM (AOAP)
Park carrier on level ground to check oil levels. Clean fittings with cleaning compound. Dry
before lubricating. Check/lubricate all oil and grease fitting points after washing or fording.
AOAP is an effective maintenance diagnostic tool and not a maintenance substitute. TB 43-106 and TM 9-2300-422-23&P
must not be interpreted to mean that AOAP minimizes in any way the need to employ good maintenance practices and strong
Samples may be taken without warming a component to operating temperature if the equipment has been operated within the
last 30 days. If the equipment has not been operated within the last 30 days, these requisites apply to both routine and special
sampling. Several hours of operation are needed to completely mix old and new oils.