TX / TXH / TXB 180S - 400L (Rev. 4/23/07)TX / TXH / TXB 180S - 400L (Rev. 4/23/07)
5-25-2
When freezing weather isWhen freezing weather is
expected, any cooling system not adequatelyexpected, any cooling system not adequately
protected by antifreeze should be drained.protected by antifreeze should be drained.
Filling The Cooling System.Filling The Cooling System. Before Before starting starting thethe
engine, close the drain cock and fill the coolingengine, close the drain cock and fill the cooling
system by removing the 16 psi (110 kPa) capsystem by removing the 16 psi (110 kPa) cap
located on top of the radiatorlocated on top of the radiator. . Fill the radiator Fill the radiator atat
this port. this port. This will allow a quicThis will allow a quicker, ker, more efficientmore efficient
method of filling the radiatormethod of filling the radiator. . If the capacity If the capacity of theof the
cooling system is unknown, measure the amountcooling system is unknown, measure the amount
of water necessary to fill the cooling system.of water necessary to fill the cooling system.
Drain the cooling system and refill with the desiredDrain the cooling system and refill with the desired
amounts of water and antifreeze or pre-mix toamounts of water and antifreeze or pre-mix to
proper proportions before filling.proper proportions before filling.
Coolant Temperature.Coolant Temperature. When When the engine the engine warmswarms
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 - 212[180 - 212
F (82 - 100F (82 - 100
C)]. C)]. The The thermostat thermostat willwill
start to open at approximately 190start to open at approximately 190
F (88F (88
C) andC) and
Belt TensionBelt Tensioninin Section 1Section 1for the proper tensionfor the proper tension
values.values.
Fan Ring PositioningFan Ring Positioning(Illustration 5-2)(Illustration 5-2).. Perform Perform
the following procedures to correctly position thethe following procedures to correctly position the
engine fan ring:engine fan ring:
Death or serious injury couldDeath or serious injury could
result from result from a runaway truck. a runaway truck. Park the truck Park the truck onon
a hard, level surface, apply the parking brake,a hard, level surface, apply the parking brake,
block the wheels in both directions to preventblock the wheels in both directions to prevent
movement of the truck and Lock Out movement of the truck and Lock Out & Tag Out& Tag Out
the truck.the truck.
1.1. ParPark the trk the truck on huck on hardard, leve, level surfl surfaceace, appl, apply they the
parking brake, block the wheels in both direc-parking brake, block the wheels in both direc-
tions to prevent movement, Lock Out & Tagtions to prevent movement, Lock Out & Tag
Out the truck, and allow the engine to cool.Out the truck, and allow the engine to cool.
2.2. PosPositiition thon the engie engine fane fan ring tn ring to atto attain eqain equalual
clearances [approximately 1/4 inch (6.4 mm)]clearances [approximately 1/4 inch (6.4 mm)]
between all fan blades and engine fan ringbetween all fan blades and engine fan ring
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