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 44 of 508
TM 9--2520--215--34
0005 00--16
THEORY OF OPERATION -- CONTINUED
0005 00
HYDRAULIC SYSTEM – Continued
Action of Hydraulic System in High Range, Lockup Drive, Left Steer – Continued
Hydraulic System, High Range, Left Steer Schematic View
FROM RESERVOIR
MAIN
STEER SUPPLY
CONVERTER IN
CONVERTER OUT
LEFT STEER
DENOTES RETURN TO RESERVOIR
COOLER
LUBRICATION
GOVERNOR
HIGH RANGE
LOCKUP
07i215m
TO INTERMEDIATE RANGE CLUTCH
TO REVERSE RANGE CLUTCH
TO LOW RANGE CLUTCH
TO HIGH
RANGE CLUTCH
R
1
2
3N
SHIFT
INHIBITOR
CONVERTER
LOCKUP
RELAY VALVE
CONVERTER
LOCKUP TIMER
VALVE
TO LOCKUP
CLUTCH
ENGINE
MANIFOLD
VACUUM
CONNECTION
SELECTOR
VALVE
PUMP
TURBINE
CONVERTER
PRESSURE REGULATOR
VALVE (80 PSI)
TO COOLER
FROM COOLER
CONVERTER
COOLER BYPASS
VALVE (80 PSI)
OUTPUT DRIVEN
PRESSURE PUMP
F
MAIN PRESSURE
REGULATOR
VALVE (120-180
PSI IN NEUTRAL
HIGH AND
INTERMEDIATE
STEER CLUTCH
PRESSURE REGULATOR
VALVE (105 PSI)
GOVERNOR
PRESSURE
RELIEF VALVE
(50 PSI)
TO LUBRICATION
SYSTEM
TO RESERVOIR
FILTER
FILTER
GOVERNOR
PITOT TUBE
SECTION B-B
B
B
INPUT DRIVEN
PRESSURE PUMP
RELIEF VALVE
(50 PSI)
STEER VALVE
BODY ASSY
RIGHT APPLY
LEFT APPLY
STEER CLUTCH COOLANT
LEFT STEER CLUTCH
RIGHT STEER CLUTCH
STEER
DRIVE
CLUTCH
LUBRICATION PRESSURE
REGULATOR (5-30 PSI)
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