Parker AC890 Product Manual page 247

Routine Maintenance and Repair
Frame J Drive Main Cooling Fan, Internal Extractor Fan and Main Fan Start
Capacitor Replacement
In addition to the main cooling fan, the Frame J drive also has two internal 120mm square fans. The main
cooling fan, internal cooling fans and main cooling fan start capacitor are mounted on the bottom panel of
the drive (See drawing HG 463009G001 - Chapter 4). Having replaced the fan, ensure that the fan wiring
loom routing/fixing is preserved. Refer to wiring diagram HJ463151D002 at the end of this section. This is
an electrical safety requirement.
Replacement of Fan Start Capacitor
1. Disconnect fan start capacitor wiring (two faston connectors at top of capacitor).
2. Remove fan start capacitor mounting nuts(s).
3. Replace and reconnect start capacitor, taking care not to damage other components within drive.
Replacement of Main Cooling Fan Only
1. Disconnect fan supply wire loom at terminal block on bottom panel of drive. Note the colour coding of
the connections to the terminal block
2. Remove fan mounting nuts. Remove fan and fan start capacitor taking care not to damage other
components within drive.
3. Re-connect fan wiring loom and ensure that electrical safety isolation is preserved.
4. Refit the lower panel assembly to the drive.
Replacement of Internal 120mm Square Cooling Fans
1. While supporting the fan, remove the 6 M6 screws on the very bottom of the drive.
2. Lower the fan and panel assembly out of the drive.
3. Remove the lower panel assembly.
4. Disconnect supply cable at faulty fan.
5. Replace fan.
6. Reconnect supply cable.
7. Re-fit lower panel assembly.
10-15
Page 890SD (Standalone) Drive: Frame G, H & J