Page 65 - Hydra-matic 6 Speed RWD Technician's Guide (October 2005)

52B

4a Shift Solenoid 2:
#3 ball check valve.
4c #3 Ball Check Valve:
the clutch select valve 3.
4d Clutch Select Valve #3:

Page 76
passes through the valve and exhausts.
4b 3-5 Reverse Clutch Regulator Valve:
#1 pressure switch and opens the switch.

in preparation for a shift into low or reverse gear.
COMPLETE HYDRAULIC CIRCUIT

CLUTCH
SPRAG
through orifice #49 where it enters the CBR fluid circuit and an
routed: to clutch select valve 3, into the CBR1 fluid circuit and,
fluid passage and fluid is forced through orifice #20 into the
CSV3 enable fluid circuit. CSV3 enable fluid is then routed to
moves the valve against clutch select valve 2 spring force. This
Solenoid 2 fluid seats the #3 ball check valve against 456 CL
enter the CBR1/CBR FD circuit. CBR1/CBR FD fluid is then
allows CBR1/456 CL FD fluid to pass through the valve and
exhaust passage at the clutch select valve 3 (this fluid is intended
Shift solenoid 2 is energized (ON) allowing actuator feed limit
select valve 3 spring force. CBR fluid at the clutch select valve 3
fluid to enter the solenoid 2 fluid circuit and is then routed to the
information on pages 44 & 47 for a description solenoid operation.
Note: Refer to Shift Solenoid and Pressure Control Solenoid
Actuator feed limit fluid is routed through the valve and into the
PS1 fluid passage. PS1 fluid is then sent to the normally closed
to keep the low and reverse clutch full of fluid but not pressurized).
CSV3 enable fluid moves the clutch select valve 3 against clutch
CBR1 fluid is then routed to the low & reverse clutch assembly
DECREASE CSV2 enable fluid is routed to the clutch select valve 2 and 3d Clutch Select Valve 2: 2 CSV2 enable fluid circuit. CONV FD fluid passage and fluid is forced through orifice #22 into the Solenoid 1 fluid seats the #2 ball check valve against the reverse 3c #2 Ball Check Valve: force. valve and moves the valve against TCC regulator valve spring Solenoid 1 fluid is routed to the TCC regulator valve and shuttle 3b TCC Regulator Valve and Shuttle Valve: regulator valve and shuttle valve (SHTL). the #2 ball check valve and through orifice #
ISOLATOR PRESSURE REGULATOR VALVE LINE LINE CLUTCH 1-2-3-4
3
EX
2A
5
LINE PRESSURE CB26 LINE 2a N.H. SOLENOID 3 CONTROL PRESSURE CBR1/C456 LINE N.L. OFF SOLENOID CONTROL PRESSURE TCC ON SOL 1 SHIFT N.C. COMP FEED 35 REV CLUTCH 1234 CLUTCH
LINE
N.H.
C35R
N.L.
N.H.
N.L.
C1234
ON
N.C.
SOL 2
SHIFT
CONTROL
4a
CONTROL
CONTROL
CONTROL
PRESSURE
ON
PRESSURE
SOLENOID 5
OFF
SOLENOID 2
OFF
OFF
SOLENOID
PRESSURE
SOLENOID 4
ACT FD LIM SOL 1 3a VALVE ASSEMBLY SOLENOID CONTROL LINE CLUTCH REVERSE 3-5
PCS TCC
PCS LINE
1
N.C.
PS1
PCS 35 REV CL ACT FD LIM ACT FD LIM SOL 2 PCS 26 CL ACT FD LIM ACT FD LIM
ACT FD LIM
ACT FD LIM ACT FD LIM
PCS 1234 CL
PCS LINE PCS CBR1/456 CL SOL 1
LINE LINE LINE
COMP FD COMP FD 26 COMP FD
EX BF PCS 26 CL 2b
4b
44
EX 39
31
48
PCS 35 REV CL
42
EX BF
EX BACKFILL
ACT FD LIM
LINE
EX
SOL 2
EX 35 REV CL 2-6 GAIN CBR1/456 CL FD 38 456 CLUTCH
LINE
47
EX BF 456 CL CBR1/C456 CL REG VALVE
EX BACKFILL
36
COMP FD
456 CL BOOST VALVE
EX BF 30 EX (Engine Running) PARK
PCS 1234 CL
46
35R FD 3-5 REV CL REGULATOR VALVE PS1 26 CL 2-6 CLUTCH REG 43 VALVE CBR1 FDBK EX PS5
35
SHTL
ACT FD LIM LINE 4-5-6
PS3 PRESSURE RELIEF EXHAUST BACKFILL ACT FD LIM ASSEMBLY CLUTCH
EX CBR1/456 CL FD 37 DRIVE 1-6 SOL 1
Figure 48
EX EX
34
33
PCS 1234 CL
35 REV CL FDBK 35 CL REV FD 26 CL/1234 CL FD
1234 CL DFLT
PS4 1234 CL 45 26 CL 41
EX 51
CBR CBR CBR
1-2-3-4 CL REGULATOR VALVE
1234 CL FD
CBR 1 CBR 1
49
SOL 1 SOL 1
50
ACT FD LIM ASSEMBLY 2-6 CLUTCH
LINE
12
DRIVE
ACT FEED LIMIT VALVE
DRIVE
SOL 2
LINE
1234 CL FDBK
LINE 26 CLUTCH
COMP FD
LINE
REVERSE CBR1/CBR FD CSV2 LATCH
SOL 1
DRIVE BRAKE DRIVE 1-6 3d 1
REG APPLY
3b
DRV B CBR1/456 CL FD
EX DRIVE REVERSE
11
DRIVE EX MANUAL VALVE
REVERSE ASSEMBLY CENTER SUPPORT
456 CL FD EX EX SOL 1
14
EX M
456 CL
EX TCC REGULATOR VALVESHTL DRIVE 35 CL REV FD CBR EX CLUTCH SELECT VALVE 2 D
CLUTCH SELECT VALVE 3
REG APPLY
13
LINE FD REG VALVE COMPENSATOR PCS TCC CBR1/CBR FD CBR1/CBR FD REVERSE N
EX R
COMP FD 21 EX ASSEMBLY CLUTCH REVERSE LOW &
1234 CL DFLT 3c P
EX 10 9 4c 1234 CL DFLT FD DRIVE #2
SOL 1 SOL 2 EX
CSV3 ENABLE
1234 CL DFLT FD
35 REV CL
20
456 CL
CSV2 ENABLE
#3
4d
22
53