TM 5-3805-280-24-2
Hydraulic System
1--Left Control Valve--
63--Solenoid Valve
75--Arm Circuit Relief and
82--Propel Power and
5-Spool
Manifold
Anti-Cavitation Valve
Neutral Passage Lift
2--Right Control Valve--
64--Arm II Valve
76--Plug
Check Valves
4-Spool
65--Boom I Valve
77--Swing Lift Check Valve
83--Rear Pump Control
56--Check Valve and
66--Boom Reduced
78--Arm I Power and
Valve
Orifice, Signal to
Leakage Valve
Neutral Passage Lift
84--Filter and Orifice for
Propel Flow Control
67--Bucket Valve
Check Valves and
Pilot Pressure to Rear
Valve
68--Right Propel Valve
Restriction Orifice
Pump Control Valve
57--System Relief Valve
69--Left Propel Valve
79--Boom II Power
84A--Check Valve and
58--Dig Pressure Switch
70--Auxiliary Valve
Passage Lift Check
Orifice for Propel
59--System Relief Valve
71--Boom II Valve
Valve
Flow Control Valve
Isolation Check Valve
71A--Propel-Boom Down
80--Auxiliary Power
60--System Relief Valve
Selector Valve
Passage Lift Check
Isolation Check Valve
72--Arm I Valve
Valve
61--Propel Pressure
73--Swing Valve
81--Propel Flow Control
Switch
74--Arm Reduced Leakage
Valve
62--Pilot Pressure Inlet
Valve
Filter
Continued on next page
TX,33,UU4003
1921SEP982/17
33
3360
95
21-129
