MV510 series high-voltage inverter maintenance manual
16
(Step13:Surge suppressor)
(Step15:Test point)
Figure 2-3-3
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Screws, bolts and connectors
If the connection of the main circuit wires is loose, it may cause a fire due to
overheating of the wire connections. When performing regular inspections, be sure
to tighten the screws and bolts again
Tightening torque:
M5 bolts: 2.5 to 3.5 N·m
M6 bolts: 4.4 to 6.6 N·m
M8 bolts: 8.9 to 10.8 N·m
M10 bolts: 18 to 23 N·m
M12 bolts: 31.5 to 39.5 N·m
M16 bolts: 78.5 to 98 N·m
Check the following items:
·
Inverter input terminal, Inverter output terminal
·
Input voltage detection circuit (option), output voltage detection circuit
·
Transformer primary terminal, primary voltage tap terminal
·
Transformer secondary terminal
