TM 5-3805-280-24-1
Diagnostic Information
1--Left Control Valve
69--Left Propel Valve
90--Propel Speed Change
97--Arm II Power and
(5-Spool)
70--Auxiliary Valve
Neutral Passage
2--Right Control Valve
71--Boom II Valve
91--Speed Sensing
Check Valves and
(4-Spool)
72--Arm I Valve
Restriction Orifice
57--System Relief Valve
73--Swing Valve
92--Arm Regenerative
98--Front Pump Control
and Power Boost
85--Arm Regenerative
Valve
Valve
93--Flow Combiner Valve
99--Filter and Orifice for
Manifold
86--Arm II to Arm I Neutral
94--Bucket Flow Control
Pilot Pressure to Front
64--Arm II Valve
Passage Check Valve
Valve
Pump Control Valve
65--Boom I Valve and
87--Boom Up Circuit Relief
95--Bucket Check Valve
105--Oil Cooler Bypass
Boom Regenerative
Valve
(Lift Check)
Valve
Valve
88--Bucket Dump Circuit
96--Boom I Power and
66--Boom Reduced
Relief Valve
Neutral Passage
Leakage Valve
89--Power Boost Solenoid
Check Valves (Lift
67--Bucket Valve
Valve
Checks)
68--Right Propel Valve
TX,9025,GG2626 1921APR972/2
9025
15
35
6-122