TM 10-4320-226-14 SECTION III. UNIT  PREVENTIVE  MAINTENANCE  CHECKS  AND  SERVICES 4.7 GENERAL. Figure 4-1 (PMCS routing diagram) and table 4-1 (PMCS table) have been provided so you can keep your equipment in good operating condition and ready for its primary mission. 4.7.1  Warnings,  Cautions,  and  Notes. Always observe the WARNING and CAUTIONS appearing in your PMCS table. Warnings  and  cautions  appear  before  applicable  procedures. You must observe these  WARNINGS  and CAUTIONS  to  prevent  serious  injury  to  yourself and others or prevent your equipment from being damaged. 4.7.2  Explanation  of  Table  Entries. 4.7.2.1  Item   No.   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 checks and services for the intervals listed. These  item  numbers also corresponds to the numbers on the routing diagram, figure 4-1. 4.7.2.2   Interval    Column. This column tells you when you must do the procedure in the procedure  column. 4.7.2.3  Item to  be  Inspected  Column. This column provides the item to be checked or serviced. 4.7.2.4  Procedure   Column. This column gives the procedure you must do to check or service the item listed in the Check/Service 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. 4.7.2.5  Not  Fully  Mission  Capable  if:  Column. Information in this column tells you what faults will keep your equipment from performing its primary mission. If you make checks or service procedures that show faults listed in this column, do not operate the equipment. Follow  standard  operating  procedures  for  maintaining  the  equipment or  reporting  equipment  failure. 4.7.3  Other   Table   Entries. Be sure to observe all special information and notes that appear in your table. Item No. Change oil and oil filter in accordance with LO   10-4320-226-12 1 2 3 Table  4-1. Preventive  Maintenance  Checks  and  Services for 350 GPM Pumping Assembly. Interval Item to be Procedures inspected 200 Hours 500 Hours Quarterly OIL  FILTER FUEL  FILTER SPARK  ARRESTOR Change oil and replace oil filter. Replace  fuel  filter (paragraph  4.10.18) Remove  and  service  spark  arrestor (paragraph  4.9.1). Not  Fully Mission Capable If: Spark  arrestor is damaged or missing. 4-5