Doosan DISD SD 310 - Disassembly Steps of Priority Valve

Disassembly steps of priority valve
1. Screw off screw plug I on the left, take out load
discharging spool, load discharging spring, screw
out plug II from the right side.
Tools: torque (electric) wrench, m27 sleeve
2. Open relief valve I from the left side, take out
check valve spring, check valve, and screw out plug
from the right side.
Tools: torque (electric) wrench, m27 sleeve, m6
inner hexagonal spearhead
3. Screw off relief valve I and relief valve seat on the
left, take out priority spring, priority spool and screw
out plug I from the right side.
Tools: torque (electric) wrench, m27 sleeve, m22
sleeve and m16 sleeve
Priority Valve SPC000016
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Figure 3
Figure 4
Figure 5