29
has remained effective. Unless there is evidence of a generalized failure
of the galvanizing, localized touch-up should be all that is required.
To the extent that the galvanizing (zinc coating) still exists, paint will
not adhere to it readily. Contact the manufacturer of the coating you
intend to use for instructions.
Fluid cooler framework:
Check structural bolted connections and tighten
as required.
Fans:
Check fan assembly bolting and tighten as required. Use torque
values prescribed in the
Fan User Manual
.
Fans shaft bearings:
If equipped, lubricate fan shaft bearings at close of
each operating season—see page 26.
Electric motors:
Clean and lubricate motor at close of each operating
season (refer to motor manufacturer’s recommendations.) Check motor
anchor bolts and tighten as required. See Page 28 for fluid coolers with
motor located outside the plenum option.
Do not start motor before determining that there will be no interfer-
ence with free rotation of the fan drive.
The motor(s) should be operated for three hours at least once a month.
This serves to dry out windings and re-lubricate bearing surfaces (refer
to the Marley
“Electric Motor User Manual”
Manual 92-1475
available
at spxcooling.com.
At start of new operating season, make sure bearings are adequately
lubricated before returning motor to service.
Prolonged Shutdown
If shutdown period is longer than seasonal, contact your Marley sales
representative for additional information.
Maintenance
Caution
Note
