TM 5-3805-280-24-1
Tests
D--System Relief Valve
M--Boom Down Circuit
O--Arm In Circuit Relief
K--Boom Up Circuit Relief
Relief Valve
Valve
Valve
N--Bucket Curl Circuit
L--Bucket Dump Circuit
Relief Valve
9025
Relief Valve
25
74
Arm In (Head End)--Specification
6. Actuate function over relief for circuit relief valve (K,
L, M, and O) being checked.
Pressure............................................................. 37 265 + 980 - 0 kPa
(375 + 9.8 - 0 bar)
NOTE: Actuating the power boost function increases
(5405 + 140 - 0 psi)
the system relief pressure enough to check
and adjust the dig function circuit relief valves
Bucket Dump (Rod End)--Specification
except arm out and bucket curl. For arm out
Pressure............................................................. 37 265 + 980 - 0 kPa
and bucket curl circuit relief valves the second
(375 + 9.8 - 0 bar)
adjusting plug for system relief valve is turned
(5405 + 140 - 0 psi)
in 1/4 turn to increase the pressure setting
above the circuit relief valves.
Boom Down (Rod End)--Specification
Pressure............................................................. 37 265 + 980 - 0 kPa
7. Actuate the power boost function.
(375 + 9.8 - 0 bar)
(5405 + 140 - 0 psi)
8. Record the pressure reading.
Boom Up (Head End)--Specification
Pressure............................................................. 37 265 + 980 - 0 kPa
(375 + 9.8 - 0 bar)
(5405 + 140 - 0 psi)
Continued on next page
TX,9025,GG2649 1908JUN985/7
6-205