Fan Shaft Motors - BAC FXV-0806-12D Series Operation & Maintenance Manual

Detailed Component
Maintenance Proce-
dures
Fan Drive System
Gear Drive System
Fan Motors
Inspection & Maintenance
NOTICE: Check to ensure the
controls for the fan motor are set
to allow a maximum of six on-off
cycles per hour to prevent motor
overload.
20
WWW. B ALTI MORE A IRCOI L.COM
Model Number
Standard Fan
FXV3-1224-xxx-10, 15 and CXVT-xxx-1224-10, 15
FXV3-1224-xxx-20, 30, 40, 50, 60 and CXVT-xxx-1224-20, 30, 40, 50, 60
FXV3-1224-xxx-75 and CXVT-xxx-1224-75
FXV3-1426-xxx-15 and CXVT-xxx-1426-15
FXV3-1426-xxx-20, 25, 30, 40 and CXVT-xxx-1426-20, 25, 30, 40
FXV3-1426-xxx-50, 60, 75 and CXVT-xxx-1426-50, 60, 75
FXV3-1426-xxx-100 and CXVT-xxx-1426-100
Fan Motors
FXV, FXV3, CXVB, and CXVT units use cooling tower duty, premium efficient, totally
enclosed, single-speed, single-winding, reversible ball bearing type motor(s).
Inspection and Maintenance
• Clean the outside of the motor at least quarterly to ensure proper motor cooling.
• After prolonged shutdowns, check the motor insulation with an insulation tester prior
to restarting the motor.
• Check motor voltage and current following start-up and every three months while in
operation.
Adjustable Motor Base (BALTIDRIVE
Coat the motor base slides and adjusting screws (refer to Figures 4a and 4b on page 12)
prior to start-up, every three months while in operation, and following shutdown. Use good
quality, corrosion inhibiting grease such as one of those recommended for lubricating the
fan shaft bearings on Page 21.
Table 4. Gear Model/Unit for Standard Fans and Low Sound Fans
Power Train Only)
®
Gear Model for Standard Fan
85
110
135
85
110
135
155