S4-34760_Venturi-Air Duct Kit
8
4188-971_issue 1_07/09_duct sensor kit
2.3 Mounting
Î
Venturi tubes up to 600 mm
To mount the air duct (with or without the optional mounting kit Part No. S4-34760-99) with a pipe length of max.
600 mm the air duct must be drilled as shown in the figure.
Mounting information!
Drill a hole (
∅
38 mm) in the air duct and deburr the
borehole.
Cut the Venturi tube to the required length
(refer Section 2.5 “Adapt the Venturi tube length“).
A
ir du
ct
di
a
m
e
te
r
u
p
t
o
60
0
m
m
Direction of
air flow
Hole
∅
38 mm
Close the end of the Venturi tube by means of the
supplied sealing cap.
Fig. 12: Venturi tubes up to 600 mm
The immersion depth of the Venturi tube in the air duct should be 90% of the ducts diameter.
Observe distance caused by the optional mounting kit if required!
Refer to section 2.6 “Mounting the Venturi tube”!
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