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 31 of 508
TM 9--2520--215--34
0005 00--3
THEORY OF OPERATION -- CONTINUED
0005 00
HYDRAULIC SYSTEM – Continued
Action of Hydraulic System in Neutral Converter Drive, No Steer – Continued
TO INTERMEDIATE RANGE CLUTCH
TO REVERSE RANGE CLUTCH
PUMP
TURBINE
TO LOW RANGE CLUTCH
TO HIGH
RANGE CLUTCH
R
1
2
3N
TO LOCKUP
CLUTCH
ENGINE
MANIFOLD
VACUUM
CONNECTION
SHIFT
INHIBITOR
OUTPUT DRIVEN
PRESSURE PUMP
SELECTOR
VALVE
CONVERTER
LOCKUP TIMER
VALVE
CONVERTER
LOCKUP
RELAY VALVE
MAIN PRESSURE
REGULATOR
VALVE (120-180
PSI IN NEUTRAL,
HIGH AND
INTERMEDIATE)
STEER CLUTCH
PRESSURE REGULATOR
VALVE (105 PSI)
GOVERNOR
PRESSURE
COOLER BYPASS
VALVE (80 PSI)
CONVERTER
CONVERTER
PRESSURE REGULATOR
VALVE (80 PSI)
TO COOLER
FROM COOLER
FILTER
RELIEF VALVE
(50 PSI)
GOVERNOR
PILOT TUBE
SECTION B-B
B
B
STEER
DRIVE
SHAFT
LUBRICATION PRESSURE
REGULATOR (5-30 PSI)
TO RESERVOIR
TO LUBRICATION
SYSTEM
INPUT DRIVEN
PRESSURE PUMP
LEFT APPLY
STEER VALVE
BODY ASSY
STEER CLUTCH COOLANT
RIGHT APPLY
FILTER
RELIEF VALVE
(50 PSI)
LEFT STEER CLUTCH
RIGHT STEER CLUTCH
FROM RESERVOIR
MAIN
STEER SUPPLY
CONVERTER IN
DENOTES RETURN TO RESERVOIR
CONVERTER OUT
COOLER
LUBRICATION
GOVERNOR
Hydraulic System, Neutral, No Steer Schematic View
07i208m
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