ABB DressPack IRB 6700 Product Manual page 161

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2
3
Inspection, air supply circuit
The procedure below describes how to inspect the air supply circuit.
1
2
3
4
Inspection, water in and water return circuits
The procedure below describes how to inspect the water in and water return circuits.
1
2
3
4
5
Product manual - DressPack/SpotPack IRB 6700
3HAC044270-001 Revision: F
Action
Check that the bolts are fastened.
Check that all connections are correctly
made and that there are no leaks.
CAUTION
Do not tighten the brass couplings for water
and air with excessive force.
Action
Check if there is water in the filter recept-
acle.
Normally the filter receptacle is drained
automatically in case of a fall of air pressure.
If there is no fall of pressure in the air sys-
tem, there is an automatic draining of the
system, when the water level reaches a
certain level.
Drain the air filter receptacle manually by
pressing a small pin at the bottom of the air
filter unit.
Make a check that there is no leakage.
Make a check of the condition of the air filter.
Action
Open the hand operated ball valve for water
inlet.
Open the water return valve on the water in
circuit.
Close the hand operated ball valve for water
outlet.
While the system is under pressure, check
if there are any leaks.
Reset the system.
© Copyright 2014-2017 ABB. All rights reserved.
3.3.3 Preventive inspection of Water and air unit
Note
Recommended tightening torques are
specified in section
page
213.
Retighten if necessary.
Tightening torque, brass couplings 1/2":
31 Nm
Tightening torque, brass couplings 3/8":
17 Nm
Note
If there is a lot of water in the filter recept-
acle, this is a sign that the supplied air
consist of too much water.
If this is the case, steps must be taken to
correct this problem!
Retighten if necessary!
If needed replace the air filter.
Normally the filter should be replaced
after one year of use.
Note
Retighten if necessary!
3 Maintenance
Continued
Tightening torque on
161

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