Case 580SR Service Manual page 79

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OIL FLOW AND SUPPLY IN NEUTRAL POSITION
1
16
15
14
13
12
Pump pressure
Return to Sump
Torque converter flow
1. Powershuttle control solenoid valve oil 14 bar.
2. Torque Converter - Receives low pressure sys-
tem oil at maximum 10 bar and returns oil to port
(10).
3. Backhoe Boom Lock oil flow 14 bar.
4. Pressure filter - Mounted to the left of the trans-
mission viewed looking forward.
5. FWD - Low pressure system oil supply received
from the filter at 14 bar and fed by external tube
to rear of transmission to the FWD.
SECTION 21 - TRANSMISSION
F
6. Cold start pressure protection valve - prevents
7. Oil Pump Port OUT, to oil filter assembly
8. Oil returned from the oil cooler lubricates shafts,
2 3
R
11 10
Lubrication
Suction
system pressure exceeding 26 bar at initial cold
start.
through internal drillings.
gears and bearings and returns oil to tank.
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4 5
6
7
9 8
F29968