Maintenance And Inspection; Periodical Inspection; Overview; Required Tools - INVT Goodrive880 Series Hardware Manual

Goodrive880 Series Active Rectifier Hardware Manual

7 Maintenance and inspection

7.1 Periodical inspection

7.1.1 Overview

Only trained and qualified professionals are allowed to maintain the equipment.
Before operating the interior of the equipment:
Disconnect the power from the equipment (note that no switch/breaker installed in the cabinet can

disconnect the power to the equipment).
Wait 25 minutes for the DC circuit capacitor to discharge.

Ensure that the DC bus voltage is lower than 36V.


7.1.2 Required tools

These tools are used to remove and install devices, screws, and other components during maintenance and
repair.
A set of torque wrench or sleeve

A set of open end wrench or sleeve

A set of hexagonal wrench

A medium-sized straight screwdriver and a small-sized straight screwdriver

A medium-sized cross screwdriver

Cart

Table 7-1 Screw thread tightening torque (Fastener grade: 4.8; unit: N·m)
Screw thread
specification
M5
M6
M8
M10
M12
M16

7.1.3 Maintenance cycle

Little maintenance is required when the active rectifier unit is installed in an environment that meets
requirements. The following table describes the routine maintenance periods recommended by us.
Once per 6–12 months (based on the site installation
Once per 6–12 months (based on the site installation
Once per year (stored without use)
202401 (V1.0)
Copper bar connection
3
4.5
11
22
39
98
Table 7-2 Maintenance cycle
Maintenance cycle
environment)
environment)
Once per year
Maintenance and inspection
Metal sheet connection
2
3
8.5
16.4
28.5
71
Maintenance work description
Check according to the following table
Heat sink inspection and cleaning
Capacitor aging
Air filter check. Replace it when
necessary.
60