35
maintenance
Motor Relubrication Instructions
Motor located outside plenum option. Doubleflow models MHF7111 and
MHF7113 only.
Open and lock out disconnect switch to make certain motor can-
not be started.
1. Remove guard as shown in Figure 7. Opposite end motor bearing is
accessible from outside the fluid cooler.
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.
Motor
Guard
Steel Side Casing
Attachment Screw
Grease Relief Plug
Grease Fill Plug
Figure 7
