Taylor TX180S, Maintenance Manual

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9-7 9-7 TX / TXH / TXB 180S - 400L (Rev. 4/23/07) TX / TXH / TXB 180S - 400L (Rev. 4/23/07)
2. 2. Ens Ens ure t ure t hat t hat t he in he in chi chi ng va ng va lve i lve i s not e s not e nga nga ged ged
nor sticking. nor sticking.
Hydraulic Checks. Hydraulic Checks. Before checking the torque Before checking the torque
converter, transmission, and associated hydraulic converter, transmission, and associated hydraulic
system for pressures and rate of flow, it is essen- system for pressures and rate of flow, it is essen-
tial that the following preliminary checks be made. tial that the following preliminary checks be made.
NOTE: NOTE: Do not attempt these check Do not attempt these check s with cold oil s with cold oil . .
1. 1. Che Che ck ck the the oil oil lev lev el i el i n th n th e tr e tr ans ans mis mis sio sio n. n. Thi Thi s s
should be done with the oil temperature should be done with the oil temperature
b180 b180
° °
F and +200 F and +200
° °
F (+82 F (+82
 
F to F to
+93 +93
 
F), and the engine operating at idle. F), and the engine operating at idle.
quarter throttle for 30 seconds, let off accelera- quarter throttle for 30 seconds, let off accelera-
tor for 10 seconds. tor for 10 seconds.
5. 5. Rep Rep eat st eat st ep 4. unt ep 4. unt il the de il the de sir sir ed con ed con ver ver ter ou ter ou t- t-
let temperature is reached. let temperature is reached.
  Full throttle stall speeds for an Full throttle stall speeds for an
excessive length of time will overheat the excessive length of time will overheat the
converter. converter.
6. 6. Whe Whe n chec n chec kin kin g the pr g the pr ess ess ure ure s, al s, al way way s chec s chec k k
the charge pump and converter out pressures the charge pump and converter out pressures
first. first.
P P r r o o b b l l e e m m C C a a u u s s e e C C o o r r r r e e c c t t i i o o n n
1 1 . . L L ow ow c c l l u u t t c c h h
pressure pressure
1. 1. Lo Lo w o w o il il le le v v el el . .
2. 2. Clu Clu tch tch pre pre ssu ssu re r re r egu egu lat lat ing ing val val ve ve
spool is stuck open. spool is stuck open.
3. 3. Def Def ect ect ive ive cha cha rgi rgi ng ng pum pum p [ p [ 240 240 - -
300 psi (16.6 - 20.7 bar) normal 300 psi (16.6 - 20.7 bar) normal
operating pressure]. operating pressure].
4. 4. Bro Bro ken ken or or wor wor n c n c lut lut ch ch sha sha ft ft or or
piston sealing rings. piston sealing rings.
5. 5. Clu Clu tch tch pis pis ton ton ble ble ed v ed v alv alv e st e st uck uck
open. open.
1. 1. Fi Fi ll ll to to pro pro pe pe r r le le ve ve l. l.
2. 2. Cle Cle an an val val ve ve spo spo ol ol and and hou hou sin sin g. g.
3. 3. Re Re pl pl ac ac e c e c ha ha rg rg in in g p g p um um p. p.
4. 4. Rep Rep lac lac e se e se ali ali ng ng rin rin gs o gs o r c r c lut lut ch ch
shaft. shaft.
5. 5. Cle Cle an b an b lee lee d va d va lve lve s t s t hor hor oug oug hly hly . .
2. 2. Lo Lo w c w c on on v v er er te te r r
charging pump charging pump
output output
continued continued
1. 1. Lo Lo w o w o il il le le v v el el . .
2. 2. Su Su ct ct io io n sc n sc re re en p en p lu lu gg gg ed ed . .
3. 3. Air Air leak leak s at s at pum pum p in p in tak tak e ho e ho se a se a nd nd
connections or collapsed hose. connections or collapsed hose.
4. 4. De De fe fe ct ct iv iv e ch e ch ar ar gi gi ng p ng p um um p. p.
1. 1. Fi Fi ll ll to to pro pro pe pe r r le le ve ve l. l.
2. 2. Cl Cl ea ea n s n s uc uc ti ti on on sc sc re re en en . .
3. 3. T T igh igh ten a ten a ll co ll co nnec nnec tio tio ns or ns or rep rep lac lac e e
hose if hose if necessary necessary . .
4. 4. Re Re pl pl ac ac e c e c ha ha rg rg in in g p g p um um p. p.
P P r r o o b b l l e e m m C C a a u u s s e e C C o o r r r r e e c c t t i i o o n n
2. 2. Lo Lo w c w c on on ve ve rt rt er er
charging pump charging pump
output (Continued) output (Continued)
5. 5. Clo Clo gge gge d tr d tr ans ans mis mis sio sio n fi n fi lte lte r r . .
6. 6. Def Def ect ect ive ive pre pre ssu ssu re r re r egu egu lat lat or or . .
5. 5. Rep Rep lac lac e tr e tr ans ans mis mis sio sio n fi n fi lte lte r r . .
6. 6. Rep Rep lac lac e e or or rebu rebu ild ild pre pre ssu ssu re re
regulator. regulator.
3. 3. No No is is y y co co nv nv er er te te r r
1. 1. Wo Wo rn rn co co up up li li ng ng ge ge ar ar s. s.
2. 2. Wo Wo rn rn ch ch arg arg in in g g pu pu mp mp . .
3. 3. Wo Wo rn o rn o r da r da ma ma ge ge d be d be ar ar in in gs gs . .
1. 1. Re Re pl pl ac ac e c e c oup oup li li ng g ng g ea ea rs rs . .
2. 2. Re Re pl pl ac ac e c e c ha ha rgi rgi ng ng pu pu mp mp . .
3. 3. A co A co mpl mpl ete ete dis dis ass ass emb emb ly w ly w ill ill be be
necessary to determine which necessary to determine which
bearing is faulty. bearing is faulty.
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