00196497-07_SM_SXDX12_en - 第46页

Service Work Conveyor Electrical System 3.2.8 Replaci ng the Rectifier Board (A7) [0306 9283-xx] 46 Service Manual SIPLACE SX1/SX2/DX1/DX2 FS02 3.2.8 3 . 2 . 8 R e p la c in g t h e R e c t if ie r B o a r d ( A 7 ) [ 0 …

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Service Work Conveyor
3.2.7 Replacing the Inrush Current Limitation Board Servo (A1) [03058951-xx] Electrical System
Service Manual SIPLACE SX1/SX2/DX1/DX2 FS02 45
3.2.7
3.2.7 Replacing the Inrush Current Limitation Board Servo (A1) [03058951-xx]
Replacing the Inrush Current Limitation Board Servo (A1) [03058951-xx]
Parts, Equipment and Tools
Inrush current limitation board servo [03058951-xx]
Overview
Removal
Switch off the machine, disconnect it from the power supply and secure it to prevent unauthorized
reactivation. Observe the instructions in section "1.2 Preparatory Work..." [ ➙ 13].
Loosen the screws fastening the mesh cover and then remove the cover.
Unplug all connections to board A1. You may want to mark their positions, to make clear assignment
easier later on.
Loosen the screws fastening board A1 and then remove the board.
Unplug all connections to board A2. You may want to mark their positions, to make clear assignment
easier later on.
Loosen the screws fastening board A2 and then remove the board.
Installation
Follow the removal instructions in reverse order for installation.
1. Two boards are fitted above one another here.
Front: inrush current limitation board for transformer
(A1)
Behind: inrush current limitation board for servo (A2)
Service Work Conveyor
Electrical System 3.2.8 Replacing the Rectifier Board (A7) [03069283-xx]
46 Service Manual SIPLACE SX1/SX2/DX1/DX2 FS02
3.2.8
3.2.8 Replacing the Rectifier Board (A7) [03069283-xx]
Replacing the Rectifier Board (A7) [03069283-xx]
Parts, equipment and tools
Rectifier board [03069283-xx]
Heat-conductive paste
Overview
Removal
Switch off the machine, disconnect it from the power supply and secure it to prevent unauthorized
reactivation. Observe the instructions in section "1.2 Preparatory Work..." [ ➙ 13].
Loosen the screws fastening the mesh cover and then remove the cover.
Installation
Follow the removal instructions in reverse order for installation. Also observe the following instruc-
tions:
1. Rectifier board (A7)
2. Fastening screws of the mesh cover
Unplug all connections to board A7. You may want to
mark their positions, to make clear assignment easier
later on.
Loosen the fastening screws on board A7. Now the
board is only connected to the rectifiers.
The rectifiers are screwed to the cooling surface.
Loosen the fastening screws of the rectifiers (1)
and (2).
Lift off the board and the rectifiers.
CAUTION
Installation instructions
Clean the surfaces of the cooling element before reinstallation.
Apply the heat-conductive paste in a thin layer onto the rectifiers. Take the old board as an
example, if necessary.
Service Work Conveyor
3.2.9 Replacing the Load Add Circuit (A6) [03094585-xx] Electrical System
Service Manual SIPLACE SX1/SX2/DX1/DX2 FS02 47
3.2.9
3.2.9 Replacing the Load Add Circuit (A6) [03094585-xx]
Replacing the Load Add Circuit (A6) [03094585-xx]
Parts, Equipment and Tools
PCB dyn. load connection, power circuit [03094585-xx] (replaces: Load add circuit LZS260/1000
[03061114-xx])
Overview
Removal
Switch off the machine, disconnect it from the power supply and secure it to prevent unauthorized
reactivation. Observe the instructions in section "1.2 Preparatory Work..." [ ➙ 13].
Remove the screws fastening the mesh cover and then remove the cover.
Pull the load add circuit out of its connector.
Installation
Follow the removal instructions in reverse order for installation.
1. Load add circuit (A6)