Introduction
This guide shows how to remove and replace the control valve O-rings on the Toro Log Splitter 22618HD 2019 / LS-922.
Tools
Parts
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            Use a 3/8 inch socket to remove the three bolts securing the control valve to the control valve bracket. 
 
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            Use a 9/16 inch socket to remove the two bolts securing the control valve bracket to the frame. 
 
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            Place a bucket underneath the device, below the control valve to catch any hydraulic fluid drips. 
 
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            Use an adjustable wrench to loosen the nut securing the output hose to the L-fitting on top of the control valve. 
 
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            Use an adjustable wrench to loosen the nut holding the input hose to the L-fitting on the bottom of the control valve. 
 
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            Use an adjustable wrench to loosen the nut securing the bottom L-fitting to the control valve. 
 
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            Use an adjustable wrench to loosen the nut securing the piston extension hose to the L-fitting on the rear of the control valve. 
 
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            Use an adjustable wrench to loosen the nut securing the piston contraction fitting to the control valve. 
 
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            Use an adjustable wrench to loosen the nut securing the L-fitting to the rear of the control valve. 
 
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            Use a pick tool to remove the O-ring from the output hose L-fitting, on the side that connects to the control valve. 
 
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            Use a pick tool to remove the O-ring from the input hose L-fitting, on the side that connects to the control valve. 
 
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            Use a pick tool to remove the O-ring from the cylinder contraction fitting, on the side that connects to the control valve. 
 
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            Use a pick tool to remove the O-ring from the cylinder extension hose L-fitting, on the side that connects to the control valve. 
 
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To reassemble your device, follow these instructions in reverse order.