Technical Service Information

OUTPUT
SUCTION
LUBRICATION
on
Torque
Converter
Clutch
off
x
.056"
.056"
1
.063"
x
.048"
x
x
x
.057"
.044"
B2-BRAKE
REG. VALVE
K1
CONTROL
VALVE
2-3
TIMING
VALVE
x
4
N89-EV2
"OFF"
x
x
x x
K1 CLUTCH
REG. VALVE
X
x
x
B2 SHIFT
VALVE
x
K3 CLUTCH
REG. VALVE
x
N88-EV1
"OFF"
x
x
x x
K1/B1 SHIFT
VALVE
.045"
x
BOOST
REG. VALVE
x
.044"
N92-EV5
"ON*"
x
x
x
x x
B1 APPLY
VALVE
x
MAIN
REG. VALVE
N90-EV3
"ON" N91-EV4
"OFF"
x
x
x x
K3 SHIFT
VALVE
x
x x
.030" .030" .030" .030" .030"
.047"
2
.039"
.079"
.063" .058"
X
.058"
.039"
CONVERTER
CLUTCH
APPLY VALVE
.030"
CONVERTOR
REG. VALVE
.039"
.046"
.038" .058"
.098"
X
FILTER
SUMP
X
X
to cooler
MAIN LINE
PORT
.040"
MANUAL "1"
LOCKING VALVE
SOLENOID
REG. VALVE
.040"
MANUAL
VALVE
.078"
.078"
X
.079"
X
X
1
2
3
D
N
R
P
.030"
.040"
x x
X
X
X
3
.030"
K3/MANUAL "1"
LOCKING VALVE
x x
x x
N94-EV7
"OFF"
N93-EV6
"MOD"
x
X
from cooler
COOLER
B2 BRAKE
K2 CLUTCH
K3 CLUTCH
SOLENOID APPLICATION
OFF
OFF
ON
OFF
ON*
MOD*
OFF
K1 CLUTCH
LEGEND
B1 BRAKE
N88-EV1
N89-EV2
N90-EV3
N91-EV4
N92-EV5
N93-EV6
N94-EV7
MOD* = MODULATING
* = ON BRIEFLY DURING THE
ENGAGEMENT THEN OFF
MAIN LINE PRESSURE
SOLENOID REG.PRESSURE
PUMP SUCTION
CONVERTER REG.PRESSURE
LUBE PRESSURE
K1 CLUTCH PREFILL (psi.)
CONNECTED CIRCUIT
"01M"
MANUAL "1" RANGE
1st GEAR
Copyright © 2001 ATSG