Fra Bosch motorsports LSU 4.x datablad
Installation instructions
The Lambda sensor should be installed at a point
which permits the measurement of a representative
exhaust-gas mixture, and which does not exceed
the maximum permissible temperature. The sensor
is screwed into a mating thread and tightened with
50 … 60 Nm.
• Install at a point where the gas is as hot as
possible.
• Observe the maximum permissible
temperatures.
• As far as possible install the sensor vertically,
whereby the electrical connections should
point upwards.
• The sensor is not to be fitted near to the
exhaust outlet so that the influence of the
outside air can be ruled out. The exhaust-gas
passage opposite the sensor must be free of
leaks in order to avoid the effects of leak-air.
• Protect the sensor against condensation water.
• The sensor body must be ventilated from the
outside in order to avoid overheating.
• The sensor is not to be painted, nor is wax to
be applied or any other forms of treatment.
Only the recommended grease is to be used for
lubricating the threads.
• The sensor receives the reference air through
the connection cable. This means that the
connector must be clean and dry. Contact
spray, and anti-corrosion agents etc. are
forbidden.
The connection cable must not be soldered. It must
only be crimped, clamped, or secured by screws.
http://www.bosch-motorsport.com/pdf/sensors/lambda/LSU42.pdf
http://www.bosch-motorsport.com/pdf/sensors/lambda/LSU49.pdf