The bearings should be lubricated only with a hand grease gun. Do not use high pressure grease guns, since they
may rupture the bearing seals. When lubricating, purge the old grease from the bearing by gradually adding grease
until a bead of new grease appears at the seal.
GREASE PRODUCTS
Shell
Alvania grease RL3
-20°C to +120°C
Texaco
Multifak Premium 3
-30°C to +140°C
Klüber
Isoflex LDS Special A
-50°C to +120°C
Mobil
Mobilith SHC 100
-40°C to +175°C
Total Fina Elf
Multis 3
-20°C to +120°C
Grease products
ADJUSTABLE MOTOR BASE
The motor base adjusting screw (see figure below) should be coated every six months using a good quality
corrosion inhibiting grease, such as one of those recommended for lubricating the fan shaft bearings.
Adjustable motor base
1.
Motor base slides
2.
Adjusting screw
Cleaning procedures
MECHANICAL CLEANING
Keeping your evaporative cooling equipment (and the associated system) clean will maintain its efficiency and
help to prevent uncontrolled bacteriological growth. The recommended cleaning procedures are described below:
1. Disconnect fan and pump motor(s) and shut off make-up supply.
2. Remove screens, eliminators, access panels, doors and drain system. Do not remove sump strainer.
3. Clean debris from exterior and fan(s) with soft brush, if necessary use water and soap.
4. Clean interior with (soap) water and soft brush, if necessary use high pressure water jet.
5. Remove any debris from water distribution system and clean any nozzles if clogged. If necessary nozzle and
grommet may be removed for cleaning.
6. Remove debris from heat transfer section (fill). Do not use steam or high pressure water to clean cooling tower
wet deck surface.
7. Flush with clean water and drain to remove accumulated dirt.
8. Remove, clean and replace sump strainer(s).
9. Clean debris from screens and eliminators with water jet and install.
W W W . B A L T I M O R E A I R C O I L . E U
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5 Maintenance Procedure
5 Maintenance Procedure
