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Always make sure all high-pressure water has been removed from the valve by following the machine manufacturers' safety instructions. Failure to do so can cause severe injury or death.
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Turn OFF all hydraulic and water pressure to the bleed-down valve.
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Loosen the hydraulic hose from the hydraulic fitting using 7/8" and 3/4" wrench.
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Unthread the hydraulic hose from the hydraulic fitting.
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Loosen the 1/4" gland nut from the side inlet of the valve body.
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Unthread the 1/4" gland nut from the side inlet of the valve body.
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Clean the 3/8" gland nut of all Blue Goop with isopropyl alcohol.
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Loosen the 3/8" high-pressure gland from the outlet adapter using 13/16" and 1" wrench.
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Unthread the 3/8" high-pressure gland from the outlet adapter.
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Clean the 3/8" gland nut of all Blue Goop with isopropyl alcohol.
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Loosen the hydraulic fitting from the adapter fitting using 1-1/4" and 7/8" wrench.
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Unthread the hydraulic fitting from the adapter fitting.
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Apply an O-ring lubricant to the O-ring from the kit for the hydraulic fitting.
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Replace the O-ring on the hydraulic fitting with the O-ring from the kit (smallest O-ring in kit).
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Loosen the adapter fitting from the actuator housing using 1-1/4" and 1-1/16" wrench.
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Unthread the adapter fitting from the actuator housing.
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Apply an O-ring lubricant to the largest O-ring from the kit.
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Replace the O-ring on the adapter fitting with the largest O-ring from the kit.
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Loosen the actuator housing from the valve body using 1-1/16" and 7/8" wrench.
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Unthread the actuator housing from the valve body.
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Push the piston out of the actuator housing through the oil port using the included dowel.
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Discard the O-ring and back-up ring from the piston.
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Inspect the piston, if damage is visible, replace.
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Apply an O-ring lubricant to the O-ring and back-up ring.
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Slide the new back-up ring (flat) into the groove of the piston.
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Make sure the concave side of the back-up ring is towards the O-ring.
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Slide the new O-ring (rounded) into the groove of the piston.
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Insert the piston assembly into the actuator housing and push with the included dowel.
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Loosen the outlet fitting from the bleed down valve body using 7/8" and 13/16" wrench.
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Unthread the outlet fitting from the bleed down valve body.
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Remove the high-pressure seat from the bleed down valve body and discard.
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Remove theflow reducer from the outlet adapter.
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Clean the outlet adapter and the flow reducer of all Blue Goop with isopropyl alcohol.
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Loosen the back-up screw from the top of the bleed down valve body using a 5/16" socket wrench.
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Unthread the seal back-up screw from the top of the bleed down valve body.
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Clean the seal back-up screw with isopropyl alcohol.
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Push the components through the bleed down valve body with the included dowel.
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Clean the bleed down valve body with isopropyl alcohol or a similar cleaning agent.
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Apply ahigh vacuum grease to the needle.
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Slide the back-up screw on to the needle so the flat end of the needle is flush with the non threaded part of the back-up screw.
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Slide the bushing onto the point of the needle with the chamfered end towards the back-up screw.
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Place the hoop onto the high-pressure seal with the tapered end towards the high-pressure seal and opposite from the O-ring.
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Place the high-pressure seal assembly onto the point of the needle with the hoop, first.
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Apply a high vacuum grease to the exterior of the high-pressure seal, hoop, and bushing.
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Apply a high vacuum grease to the internal threads of the bleed down valve body.
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Insert the high pressure needle assembly into the top of the bleed down valve body with the point first.
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Push the seal back-up screw inside of the valve body until it bottoms out.
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Take the seal back-up screw out of the body and apply a layer of Blue Goop to the threads.
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Thread in the back-up screw into the top of the bleed down valve body.
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Tighten the back-up screw to the top of the bleed down valve body using a 5/16" socket wrench.
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Place the flow reducer into the hole beneath the seat cavity in the outlet adapter.
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Apply a layer of Blue Goop to the external threads and the seat cavity of the outlet adapter.
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Place poppet seat into seat cavity of outlet adapter
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Apply a layer of blue goop to top of poppet seat sitting in outlet adapter
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Thread outlet adapter into valve body
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Using a 1" wrench on outlet adapter and a 7/8" wrench on the valve body, tighten securely
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Apply a layer of blue goop to external threads of valve body
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Thread actuator housing onto valve body
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Tighten using a 1-1/16" wrench on actuator housing and a 7/8" wrench on valve body
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Apply blue goop to 3/8" gland nut threads
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Thread 3/8" gland nut with HP tubing into bleed down valve adapter
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Tighten gland nut into bleed down valve adapter using 13/16" and 5/8" wrench
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Apply blue goop to 1/4" gland nut threads
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Thread 1/4" gland nut into side of bleed down valve body
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Tighten gland nut to side of bleed down valve body with using 3/4" and 5/8" wrench
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Thread adapter fitting into actuator housing
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Tighten adapter fitting into actuator housing using 1-1/4" and 1-1/16" wrench
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Thread hydraulic fitting into hydraulic adapter
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Tighten hydraulic fitting into hydraulic adapter
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Thread hydraulic hose onto hydraulic fitting
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Tighten hydraulic hose to hydraulic fitting using 7/8" and 3/4" wrench
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Turn pump ON and continue cutting process
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