WB W I D E B A N D D 2 A F R C O N T R O L L E R
G A U G E
WB WIDEBAND 2020 – www.WIDE-BAND.com -
B U N G A N D P L U G R E P L A C E M E N T
Bung and Plug Replacement
The stainless steel (SS304) bung and its mild steel plug can be purchased either
from www.wide-band.com or another retailer available. The specs are M18 X
1.5mm.
O2 Sensor Installation on an Exhaust Pipe
The bung should be installed (welded) from the side so that the sensor orientation is
greater than 10 degrees but not greater than 45 degrees from the horizontal line. That
helps for perfect condensation drainage from the sensor. Otherwise, the sensor may
prematurely die.
Wideband O2 Sensors
Handle with caution! They become hot quickly. They can burn human skin and can
start a fire.
In the end, they are sensors, and they are very sensitive to harsh usage. So please handle
with care. NO WARRANTY is offered for the sensor because it is impossible to verify
the user’s operating conditions for the sensor.
Sensor life gets shorter with the followings:
Leaded fuel
Silicone
Oil
Coolants
Excessive rich AFR
2 stroke engines
Damaging by dropping to the ground or hitting hard to other surfaces
Thermal shock
Extreme exhaust temperatures (above 930 Celsius or 1700 F)
Unheated (no powered) sensor left in exhaust pipe stream
Gauge Installation on a Pod
The WB WIDEBAND gauges are universal 52mm (2-1/16”) diameter in size.
They can be “pushed-in” to a universal 52mm pod. If the fitment is not solid, a
black tape can be applied on the perimeter of the gauge and re-insert it back to
pod for a nice and snug fit.
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