TM-9-2520-215-34
CROSS-DRIVE TRANSMISSION ASSEMBLY
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
DECEMBER 2005
TM-9-2520-215-34 - Page 40 of 508
TM 9--2520--215--34
0005 00--12
THEORY OF OPERATION -- CONTINUED
0005 00
HYDRAULIC SYSTEM – Continued
Action of Hydraulic System in Reverse Range, Converter Drive, No Steer – Continued
Hydraulic System, Reverse Range, No Steer Schematic View
FROM RESERVOIR
MAIN
STEER SUPPLY
CONVERTER IN
CONVERTER OUT
COOLER
LUBRICATION
GOVERNOR
REVERSE RANGE
DENOTES RETURN TO RESERVOIR
TO INTERMEDIATE RANGE CLUTCH
TO REVERSE RANGE CLUTCH
TO LOW RANGE CLUTCH
TO HIGH
RANGE CLUTCH
R
1
2
3
N
SHIFT
INHIBITOR
CONVERTER
LOCKUP TIMER
VALVE
TO LOCKUP
CLUTCH
ENGINE
MANIFOLD
VACUUM
CONNECTION
CONVERTER
LOCKUP
RELAY VALVE
PUMP
TURBINE
CONVERTER
PRESSURE REGULATOR
VALVE (80 PSI)
CONVERTER
COOLER BYPASS
VALVE (80 PSI)
TO COOLER
FROM COOLER
SELECTOR
VALVE
OUTPUT DRIVEN
PRESSURE PUMP
R
FILTER
RELIEF VALVE
(50 PSI)
STEER CLUTCH
PRESSURE REGULATOR
VALVE (105 PSI)
GOVERNOR
PRESSURE
MAIN PRESSURE
REGULATOR
VALVE (120-180
PSI IN NEUTRAL,
HIGH, AND
INTERMEDIATE)
TO LUBRICATION
SYSTEM
FILTER
INPUT DRIVEN
PRESSURE PUMP
LEFT APPLY
RELIEF VALVE
(50 PSI)
RIGHT APPLY
STEER VALVE
BODY ASSY
STEER CLUTCH COOLANT
LEFT STEER CLUTCH
RIGHT STEER CLUTCH
GOVERNOR
PITOT TUBE
SECTION B-B
B
B
STEER
DRIVE
SHAFT
TO RESERVOIR
LUBRICATION PRESSURE
REGULATOR (5-30 PSI)
07i217m
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