HS50_advance_level 2.pdf - 第100页
07/2002 Editio n Student G uide HS -50 Advanc ed II 3 Power Sup ply 62 ➠ Loosen the M5 hex agon n uts (1) and remove togethe r with the retainin g rings (2). ➠ Remove the perspex panel (3) . ➠ Detach the ter minal wir …
Student Guide HS-50 Advanced II 07/2002 Edition
3 Power Supply
61
➠ Connect the placement system to the power supply.
➠ Measure the voltages at the main power filter’s input and output:
3 x 204 VAC / 3 x 230 VAC / 3 x 380 VAC / 3 x 400 VAC / 3 x 415 VAC
➠ Complete the servicing work as described in 3.3.3 on page 3 - 29.
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– Set of slotted-head screwdrivers
– Open-ended spanner or socket spanner, size 8
– Self-adhesive labels
– Digital voltmeter
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DANGER Switch off the placement system and disconnect from the power
supply (see sections 3.3.1 and 3.3.2).
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EST Inrush current limitation board TG 31033-01 00341831-01
07/2002 Edition Student Guide HS-50 Advanced II
3 Power Supply
62
➠ Loosen the M5 hexagon nuts (1) and remove together with the retaining rings (2).
➠ Remove the perspex panel (3).
➠ Detach the terminal wires from the terminal block one by one by pushing the terminal link (4)
in the direction indicated by the arrow.
➠ Identify the terminal wires with adhesive labels.
➠ Remove the M5 hexagon bolts.
➠ Remove the board.
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➠ Fit the board and fix in place with M5 hexagon bolts.
➠ Connect up the terminal wires.
➠ Attach the perspex panel and fix in place with the retaining rings and M5 hexagon nuts.
Student Guide HS-50 Advanced II 07/2002 Edition
3 Power Supply
63
PLEASE NOTE:
Do not overtighten the M5 hexagon head screws: the panel might break.
➠ Switch the placement system on. Main contactor SZ1 will pick up.
➠ Measure the 30 VDC control voltage between terminals A1 (+) and A2 (-) on the main contactor
SZ1.
➠ Complete the servicing work as described in 3.3.3 on page 3 - 29.