Yaskawa DSD 406 - Manual (Page 87)

4 Maintenance
83 Replacing the Fan
3/21/96
DSD 406 or 412:
40-60 HP, 230V,
75-125 HP, 460V
❏ Disconnect all input and output power to DSD drive.
❏ Remove grill and fan by unscrewing two #8-32 screws as illustrated in
Figure 12. Be careful when removing fan as cord assembly will be plugged
into fan.
❏ Unplug cord assembly from fan.
❏ Plug cord assembly into new fan.
❏ Fit two #8-32 screws, with star washers and split washers, through grill and
new fan, as illustrated in Figure 12. Note air flow arrow. Position fan over
mounting holes and tighten the screws.
❏ Reconnect input and output power.
❏ See Section 3, Operation, for start-up procedure.
❏ Disconnect all input and output power to DSD drive.
❏ Remove grill by unscrewing four #8-32 screws and locknuts.
❏ Remove fan by unscrewing five #8-32 screws and locknuts.
❏ Unplug cord assembly from fan.
❏ Plug cord assembly into new fan.
❏ Position new fan over mounting holes and reinstall the five #8-32 screws
and locknuts. Note the air flow arrow.
❏ Position fan grill over new fan and reinstall the four #8-32 screws and
locknuts.
❏ Reconnect input and output power.
❏ See Section 3, Operation, for start-up procedure.
DSD 412 only:
75-100 HP, 230V,
150-200 HP, 460V