Mack MRU - OPERATION; Liquid Natural Gas (LNG) System Operations

20OPERATION
LIQUIDNATURALGASSYSTEM
LNGTank
ThereareoneortwoLNGtanks.Theyaremountedononeorbothsidesofthetruck
withtheplumbingcomponentsaccessibleinsidetherearofeachtank.TheLNGfuel
tankis,forsimplicityofexplanation,designedlikeavacuum(Thermos™)bottle
whichcanwithstandpressuresupto230psi,orwhatevermaximumpressureisposted
onthemanufacturer’slabel(seeillustration).
C0032254
1.RearofTank(Shroud)withDoor
Closed
4.FuelTankFillFitting
2.Maximum-PressureLabelinPounds
perSquareInch(psi)
5.TankSafetyLabel
3.Manufacturer’sLabel6.LiqueedNaturalGasSymbol