00197465-01_SM_CP20-A-M_EN - 第27页
3 Service Work Conveyor 3.7 Replacing the Return Unit [03007696-xx] Service Manual SIPLACE C&P20, C&P20A, C&P20M 27 3.7 3 . 7 R e p la c in g t h e R e t u r n U n it [ 0 3 0 0 7 6 9 6 - x x ] Replacing the R…
3 Service Work Conveyor
3.6 Replacing the Seal Disk on the Hold Circuit [03005120-xx]
26 Service Manual SIPLACE C&P20, C&P20A, C&P20M
3.6
3.6 Replacing the Seal Disk on the Hold Circuit [03005120-xx]
Replacing the Seal Disk on the Hold Circuit [03005120-xx]
Parts, equipment and tools
▪ Seal disk [03005120-xx]
▪ Tools for removing the head, if needed (see also the service manual for your machine)
Overview
Preparation
► Remove the head from the machine. For removal and installation details of the placement head, read
the service manual for your machine.
Removal
► Loosen the screw fastening the silencer and remove the silencer.
► Loosen the three screws fastening the holding circuit.
► Carefully lever the holding circuit off the locating pins and remove the seal disk . Make sure that the
O-ring is not damaged.
Installation
► Follow the removal instructions in reverse order for installation.
1. Silencer
2. Hold circuit
3. O-ring
4. Seal disk
5. 3 x fastening screws on the holding circuit
5
1
5
4
3
2
3 Service Work Conveyor
3.7 Replacing the Return Unit [03007696-xx]
Service Manual SIPLACE C&P20, C&P20A, C&P20M 27
3.7
3.7 Replacing the Return Unit [03007696-xx]
Replacing the Return Unit [03007696-xx]
Parts, equipment and tools
▪ Return unit [03007696-xx]
▪ Torque screwdriver 100-500 Ncm [03078400-xx]
▪ Tools for removing the head, if needed (see also the service manual for your machine)
Overview
Preparation
► Remove the head from the machine. For removal and installation details of the placement head, read
the service manual for your machine.
Removal
► Disconnect the power supply from the solenoid valve and the hose from the compressed air connec
-
tion.
► Loosen the two screws fastening the return unit and remove the complete return unit.
1. Solenoid valve
2. Compressed air connection
3. Return unit
4. 2x fastening screws for the return unit
5. Z axis driver
The return unit is installed on the Z axis and is responsi
-
ble for protecting the Z axis from damage, by moving it
into a safe area in the case of unexpected events (e.g.
power cuts or machine shutdown).
1. Z axis driver
2. Fastening screw for driver
2
3
5
4
1
3 Service Work Conveyor
3.8 Replacing the Pressure Control Valve [03072785-xx]
28 Service Manual SIPLACE C&P20, C&P20A, C&P20M
Installation
► Follow the removal instructions in reverse order for further installation. Also observe the following
instructions:
3.8
3.8 Replacing the Pressure Control Valve [03072785-xx]
Replacing the Pressure Control Valve [03072785-xx]
Parts, equipment and tools
▪ Pressure control valve [03072785-xx]
▪ Torque screwdriver 20-120 Ncm [00386253-xx]
▪ Tools for removing the head, if needed (see also the service manual for your machine)
Overview
► Install the return unit with mount (2) at the stop.
► Connect the mount and tighten the two fastening
screws.
► Make sure that there is no gap (1).
► The driver (3) must touch the Z axis.
► Check that the star can be revolved.
► Check that there is a gap of approx. 0.1 mm between
the driver and the Z motor rotor (6).
► Reconnect the solenoid valve (4) connections and
the compressed air connection (5).
4
3
2
5
6
1
CAUTION
Installation instructions
► If you have loosened the screw fastening the driver, tighten it again with a torque of
1.15
Nm.
► Fi
x the cables with cable ties, where necessary.
1. Pressure control valve
2. 2 x fastening screws
The pressure control valve supplies the pickup/place
-
ment circuit with vacuum during the pickup process and
switches over to air blast during placement.
2
1