WABCO IVTM - Replacing PA Tubes; Replacing Hose Connections

7
IVTM Workshop instructions
42
7.3 Replacing PA tub
ether with the PA tube from the wheel module.
es
Proceed as follows when replacing a defective PA tube:
– Loosen the PA tube from the valve.
– Unscrew the V203 connection tog
g the PA tube from the wheel module, take care that the thread on
the wheel module is kept clean.
When removin
– Check the thread on the wheel module for damage.
 With damaged thread, replace the complete wheel module.
Screw the new V203 connection into the th– read of the wheel module.
r A new V203 connection can be obtained using the WABCO product numbe
893 770 005 2.
fig. 7-1: VOSS SV 203 connection
–
–
– e PA tube has been pushed
in until the stop into the V203 connection.
– tube to the valve.
7.4 Replacing hose connections
– Replace defective hose connections with PA tubes.
– At the same time, install a new wheel module type II, see chapter 7.5 "Replac-
ing wheel module I with wheel module II", page 43.
Tighten the V203 connection with a torque of 3 Nm (hand tight).
– Remove the protec
tive cap of the V203 connection.
Insert the new, cut to length PA tube (see page 32) into the V203 connection.
Check if th
–
Check if the PA tube has a tight connection (approx. 20 N).
Connect the PA
– Tighten union nuts on the valve hand tight.
– Check that the connection is tight using a leakage indicating spray.