CAUTION:CAUTION:When freezing weather isWhen freezing weather is
expected, any cooling system not adequatelyexpected, any cooling system not adequately
protectprotected ed by antifreeze should be by antifreeze should be draineddrained..
Filling The Cooling System.Filling The Cooling System. Before starting theBefore starting the
engine, close the drain cock of the radiator and fillengine, close the drain cock of the radiator and fill
the cooling systhe cooling system. tem. Remove the 15 psi rRemove the 15 psi radiatoradiator
cap and fill the core of tcap and fill the core of the radiatorhe radiator. . Remove theRemove the
7 psi cap and fill the deaeration tank to the upper7 psi cap and fill the deaeration tank to the upper
sight glasssight glass. . Start the engine to remStart the engine to remove air fromove air from
the coolant. the coolant. Recheck tRecheck the coolant level at the coolant level at the sighthe sight
glasses and add coolant as required to obtain theglasses and add coolant as required to obtain the
proper level.proper level.
WARNING:WARNING:Coolant should only be addedCoolant should only be added
to the cooling system when the engine hasto the cooling system when the engine has
been shut dobeen shut down and allowed to cown and allowed to cool. ol. FailurFailuree
to do so may result in personal injury fromto do so may result in personal injury from
heated coolant spray.heated coolant spray.
CAUTION:CAUTION:The 15 psi radiator cap is aThe 15 psi radiator cap is a
sealing cap. sealing cap. Be sure it is inBe sure it is installed securstalled securelyely
after the coolant has been added.after the coolant has been added.
Coolant Temperature.Coolant Temperature. When the engine warmsWhen the engine warms
up, the indicator for the coolant temperatureup, the indicator for the coolant temperature
gauge should be in the green temperature areagauge should be in the green temperature area
(180(180
__
F - 210F - 210
__
F). F). The thermosThe thermostat will tat will start to openstart to open
at approximately 180at approximately 180
__
F and fully open when theF and fully open when the
coolant temperature coolant temperature reaches approximatelyreaches approximately
201201
__
FF..
General InformationGeneral Information
CCoooollaannt t CCaappaacciitty y 117 7 GGaalllloonnss
Inspection.Inspection. Components of the cooling systemComponents of the cooling system
should be checked periodically to keep the engineshould be checked periodically to keep the engine
operating at peak efficoperating at peak efficiencyiency. . The radiator shoulThe radiator shouldd
be inspected externally for excessive dirt or oilbe inspected externally for excessive dirt or oil
buildup. buildup. The radiator The radiator should be clshould be cleaned external-eaned external-
ly as conditily as conditions warraons warrant. nt. The cooling sysThe cooling systemtem
hoses should be inspected and any hose that ishoses should be inspected and any hose that is
abnormally hard or soft should be replaced imme-abnormally hard or soft should be replaced imme-
diatelydiately. . Check the hose clamps to makCheck the hose clamps to make sure theye sure they
are tight. are tight. All exterAll external leaks shoulnal leaks should be correctedd be corrected
as soon as detectas soon as detected. ed. The shroThe shroud should be tightud should be tight
against the radiator core to prevent recirculation ofagainst the radiator core to prevent recirculation of
air which may lower cooliair which may lower cooling efficiencng efficiencyy. . Check theCheck the
fan belts for proper tension.fan belts for proper tension.
Drive Belt Tension.Drive Belt Tension. The proper tension shouldThe proper tension should
be maintained obe maintained on all drivn all drive belts. e belts. Refer toRefer toDriveDrive
Belt TensionBelt TensionininSection 1Section 1for the proper tensionfor the proper tension
values.values.
15 PSI15 PSI
PRESSUREPRESSURE
CAPCAP
MAKE-UPMAKE-UP
LINELINE
FULL FULL LEVELLEVEL
SIGHT GLASSSIGHT GLASS
ADD LEVELADD LEVEL
SIGHT GLASSSIGHT GLASS
7 PSI7 PSI
PRESSUREPRESSURE
CAPCAP
DEAERATIONDEAERATION
COOLANTCOOLANT
LEVELLEVEL
SENSORSENSOR
IllustrIllustration 5-2. ation 5-2. CheckiChecking The Coolant Levelng The Coolant Level
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