REGULAR MAINTENANCE
Regular,careful maintenancewill "allowyouto
enjoya long, more efficientservice life from
your cooler. Befores'fartinganymaintenance
operation, read thorunghlyall operatingand
maintenance instructions andobserve atl
cautionsand warnings.
Changing Cooler Pads
Yourcooler padsshould be changed atleast
twicea year.., at thebeginningof a season and
midwaythrough.
PressRetainerWiresDownToClearFrame Butyour
tadPrrame_""'--"--'7_ padsmay
need to be
changed more
frequently,
dependingon
local air and
waterconditions.
For instance,in
FIGURE 16 areas where
mineral content of
the water is high, deposits maybuild up in the
cooler pads, restricting air flovz
Replacepadsas follows:
l. Removepad assemblyfrom cabinet.
2. Removepad frame stiffenerfrom frame, using
caution as stiffener can spring back. Carefully
removeall pad from retainers. Removeand
discard pads (see Figure 17).
3. Usinga mild detergent,wash dirt and scalefrom
pad frames. Wirebrushing is not recommended.
Rinsewithfresh
water.
PadRetainer 4. Laynew pad in
frame,startingat
troughend, malting
sure pad is snug
against troughand
~stiffener outer edges withno
air spaces.
5. Padthickness
should be uniform
across the frame.
Note: Pad must
completelyfillframe or hot air mayenter house.
6. Replacepad retainers and lock under edgeof
frame. Sharp points must be buried in pad.
7. Pre-soak pads and reinstallpad flame.
8. Startpump and allowtroughs to fill.., check
waterlevel in troughsbyslightlytiltingeachpad
frame out.
Adjusting Belt Tension
Each timeyou inspect your cooler,be sore to check
belttensionon motor/blower assembly.Checkbelt
Cabinet Inspection
ChangingCooler Pads
I.ubrication
AdjustingBeltTension
CleaningWaterPump
Cleaning& TouchUp
Drain MIWater Lin_
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condition and replace it iffraysor defectsappear.
Checkalignmentof blower pulleywithmotor pulley
(see page 3 for detailed steps).
Lubrication
Blowershaft bearingsneed periodic lubrication.The
oil cups on the blowershaft bearingsshould befilled
with agood grade SAE20Wor 30Woil when
necessary.Under normaluse, oiling is required every
three months of operation. Do Not Over-Oil. The
pump and blower motors do not require lubrication.
Cleaning Water Pump
Disassembleandcleanwaterpumpas follows(see
Figure18):
1. Withpowersupplydisconnected,
unplug pump cord. _ FourSnap-Out
2. Removepump. _f/_Tabs
3. TOprevent
breakage, carefully
releasethe four soap-
out tabs, and lift
impeller base plate
from thepump body
4. Usinga milddetergent FIGURE18
solution, washalldeposits
frominside
aroundimpeller
andimpellerbase
plate.
5, Spinimpellerto
dislodgeany
foreignmaterial.
6. Rinseand
reinstallimpeller
baseplate.
7. Reinstallpump.
8, Connectcord.
t_j
'/" lmm_
Bv,se P/ate
I
Caufion..Bonot allowpump to toppleowr and become
subraergedsince waterwiUdanutgepump rtmtor.
_ Neverwashyour coolercabtnetwith agardenhose
since watermayharm motorandpump orseepinto ductumrk.
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Caution:
Disconnect all
electrical power to the
cooler before attempting to
install, open, or service
your cooler. If tbe cooler is
thermostatically controlled,
the tbennostat is not to be
used as a disconnect as it
may reset and start the unit
unexpectedly.
Note: Do Not Undercoat The
Water Reservoir
Yourcooler's water reservoir is finished
with a PolybondTuapphance-type finish.
It is so hard that asphalt-type cooler
undercoating will not stick to it.
Undercoat will break free and clog pump
and water disMbutor.
Do not use cooler cleaners, cooler
treatments, or other additives in this
evaporative cooler. The use of any of
these products will void your
warrantyand may impair the life of
your evaporative cooler.
Drainingand Touch-Up
Cleanthecoolercabinet(withpoweroffand
framesremoved)asfollows:
1. Connecta drain hose to the drain fittingto the
bottomof the reservoir.
2. Removestandpipefrom the drain fittingand
allowwater to drain(never drain wateronto a
roof,make sure drain hose is long enough to
reacha gutteror over edge ofhouse).
3. Clean reservoir.
The hardness, adhesion and smoothnessof the
internal and externalfinishon yourcooler makes
it extremelyunlikelythat scratches or chipping
willoccur. In die event thatfinishdamagedoes
occur, it shouldbe promptlyrepaired bythe
followingprocedures:
1. Sandthearea around bare metal spots.
2. Primeand paintwith a qualitypaint.
£vapo_tlve Cooler Use atuI Care Mam_l 5