TM 5-3805-281-24-2
Hydraulic System
1--Left Control Valve
17--Swing Left Work
41--Bucket Dump Work
52--Bucket Flow Control
2--Right Control Valve
Port-to-Swing Motor
Port-to-Bucket
Pilot Valve A-to-Bucket
4--Right Propel Forward
Front Port Line
Cylinder Rod End Port
Flow Control Pilot
33
Work Port-to-Rotary
18--Swing Right Work
Line
Valve B Port Line
3360
Manifold Right Front
Port-to-Swing Motor
42--Bucket Load Work
53--Bucket Flow Control
93
Port Line
Rear Port Line
Port-to-Bucket
Pilot Valve
5--Right Propel Reverse
19--Arm Head End
Cylinder Head End
B-to-Solenoid Valve
Work Port-to-Rotary
Reduced Leakage
Port Line
Manifold DE Port Line
Manifold Right Rear
Valve DR
43--Boom Reduced
54--Arm Regenerative
Port Line
Port-to-Solenoid Valve
Leakage Pilot
Valve-to-Solenoid
6--Propel Pilot Controller
Manifold DG Port Line
Valve-to-Orifice and
Valve Manifold DD
Port 4-to-Right Propel
28--Solenoid Valve
Hydraulic Oil Tank
Port Line
Forward Pilot Cap Port
Manifold PH
Port Line
55--Bucket Flow Control
Line
Port-to-Rear Pump
44--Boom Up Work
Pilot Valve
7--Right Pilot Controller
Control Valve Port
Port-to-Boom Cylinder
A-to-Solenoid Valve
Port 1-to-Bucket Dump
Line
Head End Port Line
Manifold DH Port Line
Pilot Cap Port Line
32--Shuttle
45--Boom Down Work
56--Pilot Shut-Off
8--Flow Regulator Valve
Valve-to-System Relief
Port-to-Boom Cylinder
Valve-to-Solenoid
Port 1-to-Boom Up
and Power Boost
Rod End Port Line
Valve Manifold DP Port
(Boom II) Pilot Cap Port
Valve Port Line
46--Front Pump Control
Line
Line
33--Power Boost Solenoid
Valve-to-Hydraulic Oil
9--Right Pilot Cap
Valve-to-Shuttle Valve
Tank Port Line
Warm-Up and Air Bleed
Port Line
47--Control
Circuit-to-Hydraulic Oil
34--Propel Speed Change
Valve-to-Hydraulic Oil
Tank Port Line
Solenoid
Tank Port Line
10--Left Pilot Cap
Valve-to-Rotary
48--Front Pump Control
Warm-Up and Air
Manifold Port Line
Valve-to-Front Pump
Bleed
35--Speed Sensing
Pressure Sensor and
Circuit-to-Hydraulic Oil
Solenoid Valve-to-Rear
Pump Regulator Port
Tank Port Line
Pump Regulator Speed
Line
11--Flow Regulator Valve
Sensing Port line
49--Arm Regenerative
Port 6-to-Swing Right
36--Arm Regenerative
Solenoid Valve-to-Arm
Cap Port Line
Solenoid Valve-to-Arm
Regenerative Valve
12--Flow Regulator Valve
Regenerative Valve
Port Line
Port 3-to-Arm Out
Port Line
50--Solenoid Valve
(Arm I) Pilot Cap Port
38--Solenoid Valve
Manifold PE
Line
Manifold DS
Port-to-Front Pump
13--Boom Up Pilot
Port-to-Hydraulic Oil
Control Valve Port
Cap-to-Bucket Flow
Tank Port Line
Line
Control Pilot Valve A
39--Control Valve Return
51--Boom Down (Boom I)
Port Line
Passage-to-Oil Cooler
Pilot Cap-to-Boom
14--Propel Pilot Controller
Port Line
Reduced Leakage Pilot
Port 1-to-Left Propel
40--Rear Pump
Valve Port Line
Forward Pilot Cap Port
Outlet-to-Left Control
Line
Valve Inlet Port Line
Continued on next page
TX,33,GG2561 1912MAR975/9
19-126
