User manual
32
Motor Relubrication Instructions
Motor located outside plenum option. Double-flow models MHF706 and
MHF707 only.
Openandlockoutdisconnectswitchtomakecertainmotorcannot
be started.
1. Remove guard as shown in Figure 4. 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.
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.
5. Reinstall grease relief plugs and reinstall guard.
6. Resume normal fluid cooler operation.
Seasonal Shutdown Instructions
When the system is to be shut down for an extended period of time, it is rec-
ommended that the recirculation water system be drained. Leave the basin
drains open.
Maintenance
Motor
Guard
Steel Side Casing
Attachment Screw
Grease Relief Plug
Grease Fill Plug
Figure 4