Allison B 300 - WT Hydraulic Schematic - 5 Th Range

WTEC II ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL
APPENDIX H — HYDRAULIC SCHEMATICS
H–8 Copyright © 1998 General Motors Corp.
V01127.04
Torque
Converter
CONVERTER IN
CONVERTER OUT
Overdrive
Knockdown
Conv
Flow
Lube
Filter
Conv
Regulator
Lockup
Lube
Lube
COOLER/LUBE
EX. BACKFILL
CONVERTER
FWD. KDN.
LOCKUP
C2
C3
Cooler
EX
LU
N/C
C2
N/O
C4
N/C
FWD
N/C
ON—OFF
C2
Latch
C1 C4
Exhaust
Backfill
C1
Latch
Main
Regulator
EX
EX
F BD
G
C4 C5
C2
C1
N/O
C3
N/C
C5
N/C
AC
E
EX
C1
C3 Pressure
Switch
C5
C3C2
MAIN
CONTROL MAIN
EXHAUST
SUCTION
SOLENOIDS ENERGIZED
CLUTCH APPLIED C2, C3 LOCKUP
A C F G
Main
Filter
Pressure Relief
Pump
Sump
Suction
Filter
EFFECTIVE S/N:
MD/B 300/B 400
S/N 6510024410
HD/B 500
ALL S/N
Main
(MD, B 300, and
B 400 models only)
Lube
Regulator
Ctl.
Main
Reg.
Accumulator/
Relay Valve
Main
EX
C3
WT HYDRAULIC SCHEMATIC — 5th RANGE
A C F G
Figure H–8. WT Hydraulic Schematic — 5th Range