ERVICE
S
20
208743 Rev. 1
5.3 Valves
5.3-1 Valve Removal
SEQUENCE VALVE
O-Rings
Back-up Rings
O-Ring and Back-up Ring Installation
5.3-2 Flow Divider Valve Service
IMPORTANT: Service the valve in a clean work area.
1 Remove the cartridge valve.
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 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.
1 Remove the hoses from the valve. Tag the hoses for
reassembly.
2 Solenoid Valves – Remove the wires connected to the
solenoid coil terminals. Tag the wires for reassembly.
3 Remove the capscrews fastening the valve to the
mounting. For reassembly, tighten the capscrews to a
torque of 13-15 ft.-lbs.
WARNING: Before removing any hoses,
relieve pressure in the hydraulic system.
Turn the truck off, then actuate the truck
control valve several times in both directions.
3
2
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3
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