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Installing NOx sensors – new
sensors
Note:
Do not wipe off thread grease of manufactur-
er. Do not apply any more lubricant.
1.
Only remove protective cap from thread im-
mediately before assembly.
2.
Screw in sensors by hand.
3.
Use a torque wrench to tighten hexagon (2) to specified tightening torque.
Name
Nut
4.
Install evaluation units.
5.
Connect connector (1) to all evaluation units and latch it.
Installing NOx sensor – reused
sensors
Note:
• The sensor must only be installed and re-
moved twice.
• After being exposed to any impact, the
sensor is considered to be faulty and may
not be used.
• Do not wipe off thread grease of manufac-
turer. If necessary, apply a thin coat of
Molykote P 37 exclusively to the thread
and ensure that the sensor head is not
contaminated.
1.
Apply a thin coat of specified assembly com-
pound to thread of sensors as necessary.
2.
Screw in sensors by hand.
3.
Use a torque wrench to tighten hexagon (2) to specified tightening torque.
Name
Nut
4.
Install evaluation units.
5.
Connect connector (1) to all evaluation units and latch it.
Size
Type
M20x1.5
Tightening torque
Size
Type
M20x1.5
Tightening torque
MS15065/01E 2019-01 | Exhaust Gas Aftertreatment | 267
Lubricant
Value/Standard
50 Nm ±10 Nm
Lubricant
Value/Standard
(Assembly compound
50 Nm ±10 Nm
(Molykote P 37))
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