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Relubricate motor according to the manufacturer’s instructions. Refer to the
Motor Re-lubrication Instructions of this manual for towers equipped with the
motor outside the plenum area.
Check to see that all bolts are tight in the fan and mechanical equipment
region, including the fan cylinder and fan guard. Refer to Component User
Manuals for torque values.
Every 5 Years: If equipped, change Geareducer oil. Refer to the Geareducer
User Manual for instructions.
Motor Relubrication Instructions
Motor located outside plenum option
Openandlockoutdisconnectswitchtomakecertainmotorcannot
be started.
1. Remove guard as shown. Opposite end motor bearing is accessible from
outside the tower.
2. Remove grease fill and relief plugs at both shaft extension end and opposite
end bearings and remove hardened grease, using clean wire.
maintenance
MOTOR
STEEL SIDE CASING
AT TACHMENT SCREW
GUARD
GREASE FILL PLUG
GREASE RELIEF PLUG
3. Insert grease fittings in grease fill openings and add grease until grease is
forced out through relief openings.
4. Replace fill plugs and operate mechanical equipment 30 minutes to one
hour to purge excess grease at grease relief opening.
Warning
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