TM 5-3805-281-24-2
Hydraulic System
1--Left Control Valve
31--Propel Pilot Signal
43--Boom Reduced
54--Arm Regenerative
2--Right Control Valve
Passage-to-Shuttle
Leakage Pilot Valve
Valve-to-Solenoid
4--Right Propel Forward
Valve Port Line
Port-to-Orifice and
Valve Manifold DD
33
Work Port-to-Rotary
32--Shuttle
Hydraulic Oil Tank
Port Line
3360
Manifold Right Front
Valve-to-System Relief
Port Line
55--Bucket Flow Control
95
Port Line
and Power Boost
44--Boom Up Work
Pilot Valve
5--Right Propel Reverse
Valve Port Line
Port-to-Boom Cylinder
A-to-Solenoid Valve
Work Port-to-Rotary
33--Power Boost Solenoid
Head End Port Line
Manifold DH Port Line
Manifold Right Rear
Valve-to-Shuttle Valve
45--Boom Down Work
56--Pilot Shut-Off
Port Line
Port Line
Port-to-Boom Cylinder
Valve-to-Solenoid
9--Right Pilot Cap
34--Propel Speed Change
Rod End Port Line
Valve Manifold DP Port
Warm-Up and Air Bleed
Solenoid
46--Front Pump Control
Line
Circuit-to-Hydraulic Oil
Valve-to-Rotary
Valve-to-Hydraulic Oil
57--Solenoid Valve
Tank Port Line
Manifold Port Line
Tank Port Line
Manifold PG
10--Left Pilot Cap
35--Speed Sensing
47--Control
Port-to-Swing Park
Warm-Up and Air
Solenoid Valve-to-Rear
Valve-to-Hydraulic Oil
Brake Release Valve
Bleed
Pump Regulator Speed
Tank Port Line
PG Port Line
Circuit-to-Hydraulic Oil
Sensing Port Line
48--Front Pump Control
58--Propel Pilot Controller
Tank Port Line
36--Arm Regenerative
Valve-to-Front Pump
Port 3-to-Right Propel
13--Boom Up Pilot
Solenoid Valve-to-Arm
Pressure Sensor and
Reverse Pilot Cap Port
Cap-to-Bucket Flow
Regenerative Valve
Pump Regulator Port
Line
Control Pilot Valve A
Port Line
Line
59--Propel Pilot Controller
Port Line
37--Pilot Shut-Off
49--Arm Regenerative
Port 2-to-Left Propel
16--Arm In (Arm I) Pilot
Valve-to-Solenoid
Solenoid Valve-to-Arm
Reverse Pilot Cap Port
Cap-to-Arm Rod End
Valve Manifold PF Port
Regenerative Valve
Line
Reduced Leakage Pilot
Line
Port Line
60--Flow Regulator Valve
Valve Port Line
38--Solenoid Valve
50--Solenoid Valve
Port 7-to-Bucket Load
17--Swing Left Work
Manifold DS
Manifold PE
Pilot Cap Port Line
Port-to-Swing Motor
Port-to-Hydraulic Oil
Port-to-Front Pump
61--Propel Pilot Signal
Front Port Line
Tank Port Line
Control Valve Port
Passage-to-Hydraulic
19--Arm Head End
39--Control Valve Return
Line
Oil Tank Port Line
Reduced Leakage
Passage-to-Oil Cooler
51--Boom Down (Boom I)
62--Flow Regulator Valve
Valve DR
Port Line
Pilot Cap-to-Boom
Port 2-to-Boom II
Port-to-Solenoid Valve
40--Rear Pump
Reduced Leakage Pilot
(Boom Down) Pilot
Manifold DG Port Line
Outlet-to-Left Control
Valve Port Line
Cap Port Line
28--Solenoid Valve
Valve Port Line
52--Bucket Flow Control
63--Flow Regulator Valve
Manifold PH
41--Bucket Dump Work
Pilot Valve A-to-Bucket
Port 4-to-Arm I (Arm
Port-to-Rear Pump
Port-to-Bucket
Flow Control Pilot
In) Pilot Cap Port Line
Control Valve Port
Cylinder Rod End Port
Valve B Port Line
64--Flow Regulator Valve
Line
Line
53--Bucket Flow Control
Port 5-to-Swing Left
30--Pilot Pressure
42--Bucket Load Work
Pilot Valve
Pilot Cap Port Line
Regulating
Port-to-Bucket
B-to-Solenoid Valve
Valve-to-Control Valve
Cylinder Head End
Manifold DE Port Line
Pilot Pressure Signal
Port Line
Passage Port Line
Continued on next page
TX,33,GG2561 1912MAR977/9
19-128
