Assembling Catalytic Converter - PREVOST H3-41 Maintenance Manual

•
Disconnect and remove a section of coolant
pipe assembly
thermostat housing and the radiator inlet.
•
Disconnect and remove the air intake duct
mounted between the turbocharger outlet
and the air cooler inlet.
•
Remove coolant surge tank.
•
Release tension from drive belt (Refer to
paragraph 12.1 and 15.1 in Section 05:
Cooling System).
•
Cut cable ties and disconnect electrical
connector from fan clutch. Remove fan drive
shaft fasteners at the gear box.
•
Remove radiator fan drive mechanism
support.
•
Safely support catalytic converter from the
top.
•
Disconnect catalytic converter outlet NOx
sensor.
•
Remove clamps holding catalytic converter
then lower.
•
Remove or disconnect
equipment or component that might be in the
way or that might prevent removing the
catalytic converter.

4.2 ASSEMBLING CATALYTIC CONVERTER

Before removing
•
Mark, with a vertical line the angular position
of the lower (both sides) and upper clamps
with regard to the clamps support located on
the catalytic converter.
Lower
mounted between the
any piece
PA1615 Maintenance Manual All Series | Section 04 revised September 2016
SECTION 04 : EXHAUST AND AFTERTREATMENT
Upper
•
Mark, with a vertical line the central position
of the lower and upper clamps with regard to
the emboss located at the bottom and at the
top of the catalytic converter.
Lower
of
Upper
Assembling
•
Position the upper clamps above the upper
emboss and the lower clamps below the
lower emboss of the catalytic converter.
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