ERVICE
S
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208743 Rev. 1
5.3-3 Sequence Valve Service
IMPORTANT: Service the valve in a clean work area.
1 Remove the cartridge valves.
2 Remove the remaining plugs and fittings.
3 Remove the O-rings and back-up rings from the
cartridge valves.
4 Clean all parts with kerosene or cleaning solvent.
5 For reassembly, reverse the above procedures except
as follows:
• The cartridge valve back-up rings and O-rings must
be installed as shown for proper operation.
• Lubricate the cartridge and seals with hydraulic oil
prior to reassembly.
O-Ring and Back-up Ring Installation
O-Rings O-Rings O-Rings
Back-up Rings Back-up Ring Back-up Rings
SOLENOID VALVECHECK VALVE
SEQUENCE VALVE
5.3-4 Solenoid Valve Service
IMPORTANT: Service the valve in a clean work area.
1 Remove the solenoid valves.
2 Remove the remaining plugs and fittings.
3 Remove the O-rings and back-up rings from the
cartridge valve.
4 Clean all parts with kerosene or cleaning solvent.
5 For reassembly, reverse the above procedures except
as follows:
• The solenoid valve back-up rings and O-rings must
be installed as shown for proper operation.
• Lubricate the valve and seals with hydraulic oil prior
to reassembly.
• Refer to the electrical schematic in Section 4.5 to
connect wires to the solenoid coils.
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2
1
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3
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