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 34 of 508
TM 9--2520--215--34
0005 00--6
THEORY OF OPERATION -- CONTINUED
0005 00
HYDRAULIC SYSTEM – Continued
Action of Hydraulic System In Low Range, Converter Drive, No Steer – Continued
TO INTERMEDIATE RANGE CLUTCH
TO REVERSE RANGE CLUTCH
TO LOW RANGE CLUTCH
TO HIGH
RANGE CLUTCH
TO LOCKUP
CLUTCH
N
1
2
3
R
PUMP
TURBINE
CONVERTER
PRESSURE REGULATOR
VALVE (80 PSI)
CONVERTER
TO COOLER
COOLER BYPASS
VALVE (80 PSI)
SHIFT
INHIBITOR
OUTPUT DRIVEN
PRESSURE PUMP
SELECTOR
VALVE
CONVERTER
LOCKUP TIMER
VALVE
CONVERTER
LOCKUP
RELAY VALVE
ENGINE
MANIFOLD
VACUUM
CONNECTION
F
MAIN PRESSURE
REGULATOR
VALVE (120-180
PSI IN NEUTRAL,
HIGH AND
INTERMEDIATE)
FROM COOLER
FILTER
RELIEF VALVE
(50 PSI)
STEER CLUTCH
PRESSURE REGULATOR
VALVE (105 PSI)
GOVERNOR
PRESSURE
INPUT DRIVEN
PRESSURE PUMP
LEFT APPLY
RELIEF VALVE
(50 PSI)
FILTER
RIGHT APPLY
STEER VALVE
BODY ASSY
LEFT STEER CLUTCH
RIGHT STEER CLUTCH
STEER CLUTCH COOLANT
B
B
TO LUBRICATION
SYSTEM
TO RESERVOIR
LUBRICATION PRESSURE
REGULATOR (5-30 PSI)
GOVERNOR
PITOT TUBE
SECTION B-B
STEER
DRIVE
SHAFT
FROM RESERVOIR
MAIN
STEER SUPPLY
CONVERTER IN
CONVERTER OUT
COOLER
LUBRICATION
GOVERNOR
LOW RANGE
DENOTES RETURN TO RESERVOIR
Hydraulic System, Low Range, No Steer Schematic View
07i211m
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