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 29 of 508
TM 9--2520--215--34
0005 00--1
THEORY OF OPERATION
0005 00
THIS WORK PACKAGE COVERS:
Equipment Operation and Description
HYDRAULIC SYSTEM
OIL LEVEL INDICATOR
SCAVENGE
PUMP
TWO SECTION
INPUT
DRIVEN PUMP
AIR
GEAR PACKAGE
OIL RESERVOIR
SECTION A-A
BREATHER
TO INTERMEDIATE RANGE CLUTCH
TO REVERSE RANGE CLUTCH
TO LOW RANGE CLUTCH
TO HIGH
RANGE
CLUTCH
R
1
2
3 N
AIR
OIL LEVEL
AIR
A
OUTPUT GEAR
COMPARTMENT
OIL LEVEL
SHIFT
INHIBITOR
PUMP
TURBINE
CONVERTER
PRESSURE REGULATOR
VALVE (80 PSI)
CONVERTER
TO
LOCKUP
CLUTCH
CONVERTER
LOCKUP
RELAY
VALVE
ENGINE
MANIFOLD
VACUUM
CONNECTION
CONVERTER
LOCKUP TIMER
VALVE
TO COOLER
FROM COOLER
COOLER BYPASS
VALVE (80 PSI)
SELECTOR
VALVE
MAIN PRESSURE
REGULATOR
VALVE (120-180
PSI IN NEUTRAL,
HIGH AND
INTERMEDIATE)
STEER CLUTCH
PRESSURE REGULATOR
VALVE (105 PSI)
FILTER
RELIEF VALVE
(50 PSI)
B
R
F
GOVERNOR
PRESSURE
OUTPUT DRIVEN
PRESSURE PUMP
A
R
F
R
F
TO
LEFT BRAKE
TO
RIGHT BRAKE
LEFT APPLY
AIR VALVE
(CLOSED
ON BRAKE APPLY)
INPUT DRIVEN
PRESSURE PUMP
BRAKE COOLANT PUMP
TWO SECTION
OUTPUT DRIVEN PUMP
FILTER
RELIEF VALVE
(50 PSI)
GOVERNOR
PITOT TUBE
SECTION B-B
STEER
DRIVE
SHAFT
B
TO
LUBRICATION
SYSTEM
TO RESERVOIR
LUBRICATION PRESSURE
REGULATOR (5-30 PSI)
RIGHT APPLY
OUTPUT REDUCTION
GEAR ASSEMBLY
LEFT STEER CLUTCH
STEER CLUTCH COOLANT
RIGHT STEER CLUTCH
STEER VALVE
BODY ASSY
Hydraulic System Schematic View
07i207m
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