Volvo VN - Air Tanks

268OPERATION
AirTanks
Allairtanksonthevehicleshouldbedraineddaily.Emptyanymoisturefromair
tanksbypullingthedrainvalvewireorbyopeningthedraincocksandallowing
theairpressuretodraincompletely.Makesurethedraincockscloseproperlyafter
draining.Duringdrainingthetanksshouldbecheckedforcondensationuideven
ifanautomaticdrainvalveisinstalled.
WARNING
Whendrainingtheairtanks,donotlook
intotheareaofthedrainingair.Dirtor
sludgeparticlesmaybeintheairstream
andcouldcauseeyeinjury.
W8003393
TruckswithWabcoairdryers:Periodicallydrainthepurgetanktocheckfor
contamination,water,oil,etc.