TM 5-3805-280-24-2
Hydraulic System
1--Left Control Valve
10--Return to Hydraulic
18--Arm In Pilot From Left
27--To Swing Motor Rear
(5-Spool)
Tank
Pilot Controller--SAE
Port--Right Swing
2--Right Control Valve
11--Return From Pilot
Pattern
28--To Arm Cylinder Rod
(4-Spool)
Shut-Off Valve
19--Boom Down Pilot
End--Arm Out
3--To Rear Pump Control
12--Pilot Pressure To
From Right Pilot
29--To Arm Cylinder Head
Valve Pressure Sensor
Swing Motor Park
Controller--SAE
End--Arm In
and Rear Pump
Brake Release Valve--
Pattern
30--Left Propel Forward To
Regulator
Top Port
20--Bucket Load Pilot
Rotary Manifold Left
4--Pilot Pressure Signal To
13--Return From Bucket
From Right Pilot
Front Port
Propel Flow Control
Flow Control Valve To
Controller
31--Left Propel Reverse To
Valve
21--Right Propel Reverse
Rotary Manifold Left
5--To Rear Pump Control
Manifold
Pilot From Propel Pilot
Rear Port
Valve
14--Return From Propel
Controller
6--Inlet Flow From Front
Flow Control Valve To
22--Swing Right Pilot
Pump
From Left Pilot
7--Pilot Pressure Signal To
Manifold
Controller
Swing Motor Park Brake
15--Pilot Pressure From
23--Left Propel Reverse
Release Valve--Bottom
Pilot Shut-Off Valve to
Pilot From Propel Pilot
Port
Controller
8--Pilot Pressure From
Manifold
24--To Swing Motor
Pilot Pressure
16--Pilot Pressure to Front
Make-Up Oil Port
Regulating Valve
Pump Control Valve
25--To Hydraulic Oil
9--Power Boost Solenoid
17--Arm In Pilot To Bucket
Cooler
Valve to System Relief
Flow Control Valve--
26--To Swing Motor Front
Valve
Front Bottom Port
Port--Left Swing
Continued on next page
TX,33,UU4002
1921SEP983/8
33
3360
87
21-122