TM 9-4940-342-14&P CHAPTER 4 ORGANIZATIONAL MAINTENANCE INSTRUCTIONS Section I. REPAIR PARTS, SPECIAL TOOLS AND EQUIPMENT 4-1.  Special Tools and Equipment There are no special tools and equipment required for organizational maintenance. 4-2.  Maintenance Repair Parts Repair parts and equipment are listed and illustrated in  the  repair  parts  and  special  tools  list  covering organizational   maintenance   for   this   equipment   in appendix C of this manual. WARNING Always turn the unit off and disconnect power cord from  power  source  prior  to  performing  any  main- tenance.  Failure  to  do  so  could  result  in  severe injury and possible death to personnel. Section II. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (MONTHLY AND QUARTERLY) 4-3.  General To   insure   that   the   steam   cleaner   is   ready   for operation    at    all    times,    it    must    be    inspected systematically   so   that   defects   may   be   discovered and     corrected     before     they     result     in     serious damage     or     failure.     The     necessary     preventive maintenance services to be performed are listed and described   in   paragraph   4-4.   The   item   numbers indicate   the   sequence   of   inspection   requirements. Defects discovered during the maintenance performance shall be noted for future correction. All deficiencies   and   malfunctions   shall   be   recorded together   with   the   corrective   action   taken   on   DA Form 2404 (Equipment Inspection and Maintenance  Worksheet)  at  the  earliest  possible opportunity. 4-4.  Monthly/ Quarterly Preventive Main- tenance Services Table     4-1     contains     a     listing     of     preventive maintenance  services  which  must  be  performed  by organizational  maintenance  personnel  at  monthly  or quarterly   intervals.   The   item   numbers   are   listed consecutively and indicate the sequence of minimum requirements. Table 4-1.  Monthly /Quarterly Preventive Maintenance Checks and Services M - Monthly Q - Quarterly Interval and Sequence no. Item to be inspected Work time M Q (M  H) 1 Drain and clean water supply reservoir. 0.1 2 Clean pump inlet screen. 0.1 3 Check belts for proper tension, alignment, cracks or breaks. 0.2 4 Inspect all valve, plumbing and fittings for leaks. 0.2 8 Check water pump crankcase oil first time at monthly maintenance then quarterly. 0.1 5 Check cleaning gun swivel assembly, steam hose, hose spuds and clamps for tightness. 0.2 6 Check soap solution tank, coil inlet and outlet pressure gages, temperature gage and fuel pressure 0.2 gage for operating condition. 7 Check burner plate, clean flame sensor. 0.3 17