TM   10-4610-241-10 TO  40W4-13-41 Table 2-2. Operator Preventive Maintenance Checks and Services Location Item To Check/ Service Procedure Not Fully Mission Capable  If: Flatbed  Cargo Trailer a. Inspect hoses for leaks. b.  Check  leveling  jacks  for  proper operation. Any air leaks Leveling  Jacks  inoperable Ground  Rods  and Grounding  Stud Inspect  Ground  Rods  and  Grounding Stud for proper installation and loose connections. Ground  rods  or  grounding  studs improperly  installed  or  any  loose connections Raw  Water  System a.  Check  Raw  Water  Pump  and couplings  for  leaks Class III leaks b.  Check  pump  Electric  Motor  for discoloration  and  excessive  noise. c.  Inspect  Hoses  for  leaks d.  Inspect  Electric  Power  Cables  for tears. burrs and cuts. Steady  stream  of  water Any tears, buffs or cuts Backwash  System a.  Check  Backwash  Pump,  Strainer  and Couplings  for  leaks. Class III leaks b.  Check  Pump  Electric  Motor  for discoloration  and  excessive  noise. c. Inspect Hoses for leaks. d. Inspect Electric Power Cables for tears, burrs and cuts. Steady  stream  of  water Any tears, buffs or cuts e. Check Backwash Tank for leaks. In Accordance With TM 5-5430- 227-12&P Product  Water system a. Check Distribution Pump and Couplings  for  leaks. Class III leaks b. Check Pump Electric Motor for discoloration  and  excessive  noise. c. Inspect Hoses for leaks. d. Inspect Electric Power Cables for tears. buffs and cuts. Steady  stream  of  water Any tears, burrs or cuts e. Check Product Water Tanks for leaks. In Accordance With TM 5-5430- 277-12&P Item No. 3 4 5 6 7 Interval During During During During During 2-28