15
maintenance
Maintenance Instructions
Always make certain that mechanical equipment is inoperable
during periods of maintenance or during any situation of possible
endangerment to personnel. If your electrical system contains a
disconnect switch, lock it out until the period of exposure to injury
is over.
The top of the tower is not a working surface. Do not stand, sit or
walk on top of the tower. Use an appropriate ladder adjacent to
the tower whenever you perform any maintenance activity on the
tower’s upper surfaces.
This product is constructed of fiberglass or cold-formed sheet
metal. Use protective clothing, gloves and shoes as appropriate
for protection against edges of thin gage material.
Fan Motor:
Lubricate the motor according to the motor manufacturer’s supplied instruc-
tions. Sealed bearing motors do not require lubrication maintenance. Refer
to motor nameplate to determine if grease type and amount are specified.
Remove any oil, dust or scale deposits from the motor which can cause ex-
cessive insulation temperatures.
Refer to Marley “Fan Motor” User Manual
Z0239042
for additional main-
tenance and lubrication information.
Fan Shaft Bearing Housing:
Check bearing housing oil cup level. Fill to the proper level with ISO 100
(SAE 30) weight oil.
Belt Tension:
Check belt tension every two to three weeks during peak operating season.
Makeup Float Valve:
Check float valve periodically for proper operation and proper water level.
Basin and Suction Screen:
Drain and clean cold water basin and suction screen periodically.
Blowdown:
Check the blowdown for continuous water discharge during operation.
Warning
