Peep doors

Close ignition ports, peep doors, and other holes around burners. Combustion air only mixes well with fuel gas when it flows through the air registers. 

Peep doors Small doors are provided in the wall or floor of the radiant section to permit visual inspection 3f burners during start-up or operation. 

A reformer furnace, shown in Exhibit 7-25, has a penthouse and roof-mounted burners. In addition to platforms and a stairway for regular maintenance and operation, ladders are provided in case of an emergency. Other platforms are for access to peep doors, draft gauges, and piping, as required. 

The 360 firing platform allows full access around the radiant seaion to the burner valves (at the peep doors) and instruments. The intermediate platform is furnished to meet OSHA requirements, which state... 

The main outer door on the frame may have either an opening to seat the auxiliary door of the trolley on it or telescopic knock-outs for all such door mounts to provide a peep-through type of aperture. On it are mounted the light and pushbutton tops. Figures... 

Tina wasn t stif)id. There was a killer at lar who had already mirdered two womea She didn t open the door. Instead, snatching up the tefephone, she turned out the light and went to the window. Wth the tefephone poised, ready to connect to the police, she peeped cautbusfy into the back rden... 

Maintain a leak-tight furnace, with minimal opening of door and peep sights... 

Assume that the furnace has or will have cracks, and leaky seals around doors, peep sights, sensors, and car hearth or conveyor. Establish an ongoing inspection and repair program to minimize these possible sources of inleakage or outleakage. 

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