TM 5-3895-370-14&P2-15. AIR RESTRICTION INDICATOR CHECK.a.Introduction.Air restriction indicator showswhen the air filter needs to be serviced by gaging theamount of blockage (restriction) caused by dirt.b.Air Restriction Indicator Check.(1)After starting the engine, check airrestriction indicator (1), located behind airbreather (2), for the amount of restrictionin air filter (3).(2)If service window (4) is red, service airfilter immediately. If window is still redafter servicing, notify unit maintenance.(3)If service window (4) is not red, air filterdoes not need to be serviced at this time.2-16. CONNECTING AND DISCONNECTING BITUMINOUS HOSES.a.Introduction.Follow this procedure to properly connect and disconnect bituminous hoses. Becausebituminous hoses are heavy and difficult to handle, always use an assistant whenever handling hoses.b.Connecting Hoses to Fittings/Ports.2-29
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