Page 103 - Hydra-matic 6 Speed RWD Technician's Guide (October 2005)

72

N.H.
N.L.
N.L.
C35R
LINE
C1234
N.H.
N.L.
CB26
N.H.
N.C.
TCC
SHIFT
OFF
SOL 2
CONTROL
CONTROL
CONTROL
CONTROL
CONTROL
CONTROL
ON
ON
PRESSURE
PRESSURE
1a
PRESSURE
SOLENOID
SOLENOID
PRESSURE
OFF
PRESSURE
OFF
CBR1/C456
PRESSURE
OFF
SOLENOID 5
SOLENOID 2
SOLENOID 4
SOLENOID 3
2a
PCS TCC
ACT FD LIM OFF SOL 1 SOL 1 SHIFT N.C. VALVE ASSEMBLY SOLENOID CONTROL CLUTCH 1d
1-2-3-4
1
N.C.
3
N.C.
PS3
PS1
PCS LINE ACT FD LIM SOL 2 ACT FD LIM ACT FD LIM COMP FEED
ACT FD LIM
ACT FD LIM
ACT FD LIM ACT FD LIM LINE
PCS 1234 CL
PCS CBR1/456 CL CLUTCH REVERSE 3-5
PS3
LINE LINE LINE 35 REV CLUTCH 1234 CLUTCH
COMP FD COMP FD 26 COMP FD
EX BF PCS 26 CL PCS CBR1/456 CL 2d
2c
44
2b
42
EX BACKFILL
36
EX BACKFILL
48
EX PCS TCC 39 35 REV CLUTCH 1234 CLUTCH COMP FD
ACT FD LIM
35
EX 40 35R CL BOOST VALVE 456 CL 456 CL BOOST VALVE 31 EX
PCS 35 REV CL
2-6 GAIN
1c
SHTL
47
EX BF EX BF 30 LINE EX BF
EX 46 26 CL 2-6 CLUTCH REG 43 CBR1/456 CL FD 38
34
35R FD PS1 CBR1/C456 CL REG VALVE
ACT FD LIM 3-5 REV CL REGULATOR VALVE EX PS3 EXHAUST BACKFILL EX
33
EX PRESSURE RELIEF VALVE PS5
1234 CL DFLT
LINE
PS4 1234 CL 35 REV CL FDBK CBR1 FDBK EX ACT FD LIM LINE
EX #7 35 REV CL 26 CL 41 26 CL/1234 CL FD CBR1/456 CL FD 37 DRIVE 1-6 ASSEMBLY CLUTCH 4-5-6
COMP FD
1-2-3-4 CL REGULATOR VALVE
1234 CL FD
35 REV CL 35 REV CLUTCH 456 CLUTCH
45
25
50
1234 CL 1234 CL 1234 CLUTCH
DRIVE 1-6 (T orque Converter Clutch Released) DRIVE RANGE - 3RD GEAR DEFAULT
#6
26 CL 26 CLUTCH
35R SPL 23 #4
#5
32
26 CL/1234 CL FD PS5 ASSEMBLY 2-6 CLUTCH
1234 CL FDBK
Figure 67
456 CL 456 CLUTCH 26 CLUTCH
PCS TCC
CBR 1
DRIVE 1-6 CSV2 LATCH CBR
ACT FD LIM ASSEMBLY CENTER SUPPORT
1234 CL
12
ACT FEED LIMIT VALVE
LINE
1234 CL DFLT ASSEMBLY CLUTCH LOW &
LINE REVERSE
35 REV CL
#1
DRIVE 1-6
LINE
DRIVE 1-6
COMP FD
REVERSE CSV2 LATCH
PCS 1234 CL 1234 CL BOOST VALVE 35 CL REV FD DRV B DRIVE
DRIVE
29
1234 CL DRIVE BRAKE CBR1/456 CL FD
1234 CL DFLT
1234 CL FDBK DRV B
REG APPLY
EX EX DRIVE LINE
DRIVE BRAKE
REVERSE EX EX
11
456 CL FD 456 CL FD MANUAL VALVE
456 CL
REVERSE
14
EX 35 CL REV FD CBR EX CLUTCH SELECT VALVE 2
CBR1/CBR FD EX
EX CBR1/CBR FD EX
CLUTCH SELECT VALVE 3
REG APPLY
13
LINE FD REG VALVE COMPENSATOR TCC REGULATOR VALVE SHTL PCS TCC 21 DRIVE 1-6
EX M
COMP FD DRIVE
1234 CL DFLT FD
EX D
EX 10 9 CSV3 ENABLE 1234 CL DFLT FD N
SOL 1 SOL 2 20 1b 35 REV CL R
456 CL 2b clutch boost valve. to the 3-5 reverse clutch regulator valve and the 3-5 reverse ON, therefore PSC 35 reverse clutch fluid will still be routed The normal state for the C35R pressure control solenoid 2 is 2a C35R Pressure Control Solenoid 2: 2 position, the 1-2-3-4 clutch will stay applied. With the 1-2-3-4 clutch regulator valve still held in the open 1d 1-2-3-4 Clutch: shuttle valve and keeps the valve in the open position. 1234 clutch default fluid enters behind the 1-2-3-4 regulator regulator valve would close from spring force.
#3
plates.
2d 3-5 Reverse Clutch:
Page 96
(full line pressure) to the clutch.
1-2-3-4 CLUTCH STAYS APPLIED
2c 3-5 Reverse Clutch Boost Valve:
the valve, allowing the switch to close.
3-5 Reverse Clutch Regulator Valve:
COMPLETE HYDRAULIC CIRCUIT
3-5 REVERSE CLUTCH APPLIED or APPLIES
CLUTCH
SPRAG
open. When the valve moves back to the closed position, it
regulator valve against 3-5 reverse clutch regulator valve spring
reverse clutch, the 3-5 reverse boost valve and the clutch select
clutch circuit. 3-5 reverse clutch fluid is then routed to the 3-5
opens the 1234 clutch default fluid circuit, and 1234 default
position, PS1 fluid from the pressure switch 1 exhausts through
valve 2. When the 3-5 reverse clutch regulator valve is in this
3-5 reverse clutch boost valve spring. 3-5 reverse clutch fluid
housing to move the piston against spring force combined with
results in the 3-5 reverse clutch regulator valve moving to the
passes through the valve and enters the 3-5 reverse clutch
full feed position sending full 3-5 reverse clutch feed pressure
force and 3-5 reverse clutch feedback fluid. This allows 3-5
opens the 3-5 reverse clutch feedback circuit to exhaust. This
increased to a given value, the 3-5 reverse clutch boost valve
PCS 3-5 reverse clutch fluid moves the 3-5 reverse clutch
force from the compensator to apply the 3-5 reverse clutch
PCS 3-5 reverse clutch fluid pressure acts on a differential
reverse feed to pass through the valve and enter the 3-5 reverse
feedback circuit. As PCS 3-5 reverse clutch fluid pressure is
area moving the 3-5 reverse clutch boost valve against the
3-5 reverse clutch fluid enters the 1-2-3-4 & 3-5 reverse clutch
72A