TX / TXH / TXB 180S - 400L (Rev. 4/23/07)
TX / TXH / TXB 180S - 400L (Rev. 4/23/07)
1-201-20
PPrroobblleemm CCaauussee CCoorrrreeccttiioonn
13.13. CoolaCoolant loss nt loss ––
ExternalExternal
(Continued)(Continued)
5.5. CooCoolanlant fit fill lll line ine is ris restestricricted ted oror
obstructed.obstructed.
6.6. EnEngigine is ovne is overerheheatatining.g.
5.5. CheCheck tck the che cooloolant ant filfill lil line fne foror
restrictions or obstructions.restrictions or obstructions.
6.6. RefRefer ter to Pro Probleoblems 1ms 11. a1. and 1nd 12. i2. inn
this troubleshooting chart.this troubleshooting chart.
14.14. CoolaCoolant losnt loss –s –
InternalInternal
1.1. CooCoolanlant is let is leakiaking inng into thto the lube lubricricat-at-
ing oil.ing oil.
2.2. CylCylindinder her head ead gasgasket ket is lis leakeakinging..
3.3. CooCoolanlant is lt is leakeaking ing intinto tho the come combusbus--
tion chamber.tion chamber.
4.4. CylCylindinder her head iead is crs crackacked or ed or poroporous.us.
5.5. CylCylindinder er heahead ed expaxpansinsion on pluplugsgs
leaking or misassembled.leaking or misassembled.
6.6. CylCylindinder er bloblock ck is is cracrackecked od orr
porous.porous.
1.1. CheCheck ck for for coocoolanlant t in in the the oiloil. . RefReferer
to Problem 15. of this troubleshoot-to Problem 15. of this troubleshoot-
ing chart.ing chart.
2.2. RepReplaclace ce cyliylindender hr head ead gasgasketket..
3.3. RemRemove ove the the cylcylindinder her headead, a, andnd
inspect cylinder head, gasket, andinspect cylinder head, gasket, and
pistons for evidence of coolant.pistons for evidence of coolant.
4.4. PrePressussure-re-testest tht the cye cylinlinder hder headead..
5.5. InsInspecpect t the the cylcylindeinder r heahead. d. RepReplaclacee
any damaged parts.any damaged parts.
6.6. RemRemove ove the the oil oil panpan. . PrePressussure–re–testestt
the cooling system to check forthe cooling system to check for
leaks.leaks.
15.15. CoolaCoolant In nt In TheThe
Engine OilEngine Oil
1.1. CylCylindinder her head ead corcore ane and exd expanspansionion
plugs leaking or misassembled.plugs leaking or misassembled.
2.2. CylCylindinder her head ead gasgasket ket is lis leakeakinging..
3.3. CylCylindinder her head iead is crs crackacked or ed or poroporous.us.
4.4. CylCylindinder er bloblock ck is is cracrackecked od orr
porous.porous.
1.1. CheCheck ck cylcylindinder er headhead. . RepReplaclace e anyany
damaged parts.damaged parts.
2.2. RepReplaclace ce cyliylindender hr head ead gasgasketket..
3.3. PrePressussure-re-testest tht the cye cylinlinder hder headead..
4.4. RemRemove ove the the oil oil panpan. . PrePressussure–re–testestt
the cooling system to check forthe cooling system to check for
leaks.leaks.
16.16. CoolaCoolant temnt tempera-pera-
ture is belowture is below
normalnormal
1.1. CooCoolanlant tet tempemperatrature ure gaugauge ige is mas mal-l-
functioning.functioning.
2.2. Fan Fan dridrive ove or far fan con contrntrols ols are are malmal--
functioning.functioning.
3.3. IncIncorrorrect tect therhermosmostat otat or ther thermormostastatt
is malfunctioning.is malfunctioning.
1.1. TTest est the the temtemperperatuature gre gaugauge.e.
Replace the gauge if necessary.Replace the gauge if necessary.
2.2. CheCheck tck the fhe fan dan drivrive ane and cod contrntrolsols..
3.3. CheCheck tck the the therhermosmostat tat for for the the corcor--
rect part number and for correctrect part number and for correct
operation.operation.
17.17. Engine vEngine vibratiibration ison is
excessiveexcessive
continuedcontinued
1.1. BelBelt-dt-drivriven aen acceccessossorieries ars are mae mal-l-
functioning.functioning.
2.2. EngEngine ine idlidle spe speed eed is sis set et too too lowlow
(electronically-controlled fuel(electronically-controlled fuel
systems).systems).
1.1. CheCheck tck the fahe fan hubn hub, alt, alternernatoatorr, and, and
air conditioner compressor forair conditioner compressor for
interference. interference. Isolate Isolate belt-drivenbelt-driven
accessories and check for vibra-accessories and check for vibra-
tion.tion.
2.2. VVerierify tfy the che correorrect ict idle sdle speepeed setd set--
ting. ting. Increase the Increase the idle speed idle speed withwith
the idle increment switch or anthe idle increment switch or an
electronic service tool.electronic service tool.
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