Tools
Parts
- Bleed Down Valve Body II #12943
- Bleed Down Valve Needle II #12942
- Bleed Down Valve High-Pressure Seal #11321
- Bleed Down Valve Seal Hoop #11323
- Bleed Down Valve Stem Bushing #11324
- Poppet Seat #11141
- Seal Back-up Screw #12945
- Outlet Adapter #12944
- Flow Reducer #11743
- Bleed Down Valve Housing Body #11779
- Bleed Down Valve Hydraulic Piston #11778
- Back-up O-ring #11680-114
- Male to Female Hydraulic Adapter #11796
- O-ring SAE #12880-912
- O-ring Lube #13969
- High Vacuum Grease #11447
- Blue Goop #11111
- Isopropyl Alcohol
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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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Put 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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Put 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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Put 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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Put 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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Put 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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Put the poppet seat into the seat cavity of the outlet adapter.
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Apply a layer of Blue Goop to the top of the poppet seat that is sitting in the outlet adapter.
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Thread the outlet adapter into the valve body.
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Using a 1" wrench on the outlet adapter and a 7/8" wrench on the valve body, tighten together securely.
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Apply a layer of blue goop to the external threads of the valve body.
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Thread the actuator housing onto the valve body.
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Tighten the actuator housing to the valve body using a 1-1/16" and 7/8" wrench.
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Apply Blue Goop to the 3/8" gland nut threads.
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Thread the 3/8" gland nut with the high-pressure tubing into the bleed down valve adapter.
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Tighten the gland nut into the bleed down valve adapter using 13/16" and 5/8" wrench.
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Apply Blue Goop to the 1/4" gland nut threads.
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Thread the 1/4" gland nut into the side of the bleed down valve body.
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Tighten the gland nut to the side of the bleed down valve body using 3/4" and 5/8" wrench
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Thread the adapter fitting into the actuator housing.
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Tighten the adapter fitting into the actuator housing using 1-1/4" and 1-1/16" wrench.
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Thread the hydraulic fitting into the hydraulic adapter.
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Tighten the hydraulic fitting into the hydraulic adapter.
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Thread the hydraulic hose onto the hydraulic fitting.
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Tighten the hydraulic hose to the hydraulic fitting using 7/8" and 3/4" wrench.
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Turn the pump ON and continue the cutting process.
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