TM9-4310-396-132-4.2.1VentLouverOpenings.a. Open vent louvers (1, 2, and 3, Figure 2-5) located at rear of trailer for ventilation.Figure 2-5. Trailer,RearView.NOTEEither heater inlet lid or access doors must be opened for ventilation purposes.b. Remove heater inlet lid (1, Figure 2-6) located in front of trailer. Push and twist counter clockwise toremove heater inlet lid. Place heater inlet lid on top of trailer while in operation. It may also be operatedwith either access door open without opening heater inlet lid.Figure 2-6. Trailer,FrontView.2-25
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