9-99-9TX / TXH / TXB 180S - 400L (Rev. 4/23/07)TX / TXH / TXB 180S - 400L (Rev. 4/23/07)
3.3. DefDefectective ive regregulaulatortors in s in the the modmodu-u-
lator valve.lator valve.
4.4. SpoSpools aols are stre stickicking iing in conn controtrol vall valveve
body.body.
engine. engine. If the If the truck tries truck tries to moveto move
in reverse, clutch plates are fusedin reverse, clutch plates are fused
together. together. Replace Replace or or rebuildrebuild
transmission.transmission.
3.3. ReReplplacace the the moe moduldulatator vor valalveve..
4.4. ClClean or reean or replplacace defee defectctivive parte parts.s.
77.. NNo o RReevveerrssee 1.1. DefDefectective ive solsolenoienoid or d or carcartritridge dge inin
control valve.control valve.
2.2. ForForwarward cd clutlutch ch pacpack pk platlates es areare
fused together.fused together.
3.3. DefDefectective ive regregulaulatortors in s in the the modmodu-u-
lator valve.lator valve.
4.4. SpoSpools aols are stre stickicking iing in conn controtrol vall valveve
body.body.
1.1. SwaSwap tp the he ForForwarward ad and nd RevReversersee
cartridges and solenoids; if thecartridges and solenoids; if the
fault changes from Reverse tofault changes from Reverse to
Forward, the solenoid or cartridgeForward, the solenoid or cartridge
is defective. is defective. TTo determine whicho determine which
is defective, switch the solenoidsis defective, switch the solenoids
only. only. If the If the fault did fault did change,change,
replace treplace the defecthe defective solenoid. ive solenoid. IfIf
fault did not change, replacefault did not change, replace
cartridge.cartridge.
2.2. PlPlacace the te the traransnsmimissssioion in thn in the neu-e neu-
tral position and rev up the engine.tral position and rev up the engine.
If the truck tries to move in forward,If the truck tries to move in forward,
clutch plates are fused together.clutch plates are fused together.
Replace or rebuild transmission.Replace or rebuild transmission.
3.3. ReReplplacace the the moe moduldulatator vor valalveve..
4.4. ClClean or reean or replplacace defee defectctivive parte parts.s.
8.8. No No FFororwwarard od orr
ReverseReverse
continuedcontinued
11.. PPaarrkkiinng g bbrraakke e iis s aapppplliieedd.. 11.. RReelleeaasse e ppaarrkkiinng g bbrraakkee..
PPrroobblleemm CCaauussee CCoorrrreeccttiioonn
8.8. NNo Fo Fororwaward rd oror
ReverseReverse
(Continued)(Continued)
2.2. ParParkiking brng brakake swie switctch (S2h (S21,1,
Illustration 6-6) is defective.Illustration 6-6) is defective.
3.3. InInchchining vag valvlve is se is stutuck ock orr
engaged.engaged.
4.4. Low Low chchararge pge pumump prp presessusurere..
5.5. Low cLow cononvevertrter ouer out pret pressssurure.e.
2.2. RepReplaclace pe parkarking ing brakbrake se switwitch.ch.
3.3. DiDisesengngagage ine inchchining vag valvlve.e.
4.4. RefRefer ter to Proo Probleblem 2. m 2. of tof this his trotroubluble-e-
shooting chart.shooting chart.
5.5. RefRefer ter to Proo Probleblem 2. m 2. of tof this his trotroubluble-e-
shooting chart.shooting chart.
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