TM 5-3820-256-10 Table 2-21.  Fuel Transfer Pump Preventive Maintenance Checks and Services ITEM INTERVAL Item to be Procedures Equipment is NO. Inspected Check for and have repaired not ready/ B D  A   W   M or adjusted as necessary. available if: 1 X Tank Check fuel level.  Add diesel fuel as needed.   X Fill/Vent cap Check fill cap strainer for debris. Check vent hole for obstruction. 2 X Nozzle Check for bent or broken trigger and automatic trigger latch. X Check for sticking or binding or Trigger sticks or binding trigger.  Check for leaks at leaks cannot be hose connections. stopped. X Check trigger latch for automatic Nozzle will not close. close automati- cally. 3 X Hose Check for kinks, cracks, and abrasion. Hose is cracked. X Check for leaks. Leaks cannot be stopped. 4 X Cab-mounted fuel transfer Check for malfunction or inoperative Pump does not switch fuse. run. X Check for loose or broken connections. No electrical power from switch to pump. 5 X Pump mounted fuel trans- Check for malfunction. Pump does not fer switch. run. Table 2-22.  Water Heater Preventive Maintenance Checks and Services ITEM INTERVAL Item to be Procedures Equipment is NO. Inspected Check for and have repaired not ready/ B   D   A   W   M or adjusted as necessary. available if: 1 X Hose,pre-set regulator, Make sure all connections are tight. Gas leaks from fittings Note: Left-Hand Threads. connections or hose. 2 X Heating torch Make sure valve is operating properly. Valve not work- ing properly. 3   X Check for unusual odors or sounds. A gas leak is sus- pected. 4   X Check that flame is lit when valve is Flame does not open. stay lit. 5 X Propane tank Check level of propane (by weight). Propane tank is empty. 6 Tank valve Check that valve is operating properly. Valve not work- ing properly. 7     X Torch adapter bracket Check for damage. 2-37