44
44
the torque converter then is the same as that in the neutral.
the torque converter then is the same as that in the neutral.
Fig 2.4 Hydraulic circuit
Fig 2.4 Hydraulic circuit
2.5 Towing disabled truck
2.5 Towing disabled truck
The following should be done when the torque converter type truck to be repaired is
The following should be done when the torque converter type truck to be repaired is
towed by other truck:
towed by other truck:
(1) Remove the half-shaft from the f
(1) Remove the half-shaft from the front wheel.
ront wheel.
(2) Electron shift should be placed in the
(2) Electron shift should be placed in the neutral.
neutral.
1.
1. Charging
Charging pump
pump
2.
2. Oil
Oil filter
filter
3.
3. Relief
Relief valve
valve
4.
4. Oil
Oil filter
filter
5.
5. Pressure
Pressure valve
valve
6.
6. Oil
Oil radiator
radiator
7.
7. T
Torque
orque converter
converter
8.
8. Adjusting
Adjusting valve
valve
9.
9. Slide
Slide valve
valve
10.
10. Inching
Inching valve
valve
11. Switch
11. Switch
12.
12. Backward
Backward clutch
clutch
13.
13. Forward
Forward clutch
clutch
2.6 Troubleshoot
2.6 Troubleshoot
(1) Insufficient power
(1) Insufficient power
Parts
Parts
Problem
Problem
Possible
Possible cause
cause and
and remedy
remedy
Torque
Torque
converter
converter
A. T
A. Too low oil pressure
oo low oil pressure
1.
1. Lower
Lower oil
oil level
level
Check
Check oil
oil level
level and
and add
add oil
oil
2. Air entering in resulting from loose
2. Air entering in resulting from loose
connections
connections
Check connection or oil pipe.
Check connection or oil pipe.
Retighten each connection or
Retighten each connection or
3.
3. Blocked
Blocked oil
oil filter
filter
Check,
Check, clean
clean or
or replace.
replace.
4.
4. Oil
Oil can
can not
not be
be pumped
pumped out
out
Check
Check and
and replace
replace
5.
5. Deformed
Deformed spring
spring of
of relief
relief valve
valve
Check
Check tension
tension of
of spring
spring
6.
6. Seal
Seal ring
ring or
or O-ring
O-ring seal
seal damaged
damaged
Check
Check and
and replace
replace
B.
B. Fly
Fly wheel
wheel damaged
damaged
Check
Check oil,
oil, if
if have
have dirt,
dirt, replace
replace it.
it.
A .Uns
A .Unsuitable oil or air bubble in oil
uitable oil or air bubble in oil
Check oil
Check oil
1. Air entering in resulting from loose
1. Air entering in resulting from loose
connections
connections
Check connection or oil pipe.
Check connection or oil pipe.
Retighten
Retighten
2. Too low oil pressure or air bubble in
2. Too low oil pressure or air bubble in
Measure and adjust pressure
Measure and adjust pressure
B. Slipped clutch
B. Slipped clutch
https://www.besttruckmanuals.com/
