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
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Always make sure all high-pressure water has been removed from valve by following 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 bleed-down valve
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Loosen hydraulic hose from hydraulic fitting using 7/8" and 3/4" wrench
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Unthread hose from hydraulic fitting
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Loosen hydraulic fitting from Adapter Fitting 1-1/4" and 7/8" wrench
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Unthread hydraulic fitting from adapter fitting
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Apply o-ring lubricant to o-ring from kit for hydraulic fitting
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Replace o-ring around hydraulic fitting with o-ring in kit (smallest o-ring in kit)
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Loosen adapter fitting from Actuator Housing with1-1/4" and 1-1/16" wrench
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Unthread adapter fitting from actuator housing
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Apply o-ring lubricant to largest o-ring in kit
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Replace o-ring on adapter fitting with largest o-ring in kit
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Loosen actuator housing from Valve Body using 1-1/16" and 7/8" wrench
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Unthread actuator housing from valve body
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Loosen HP tubing from Bleed Down Valve inlet
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Unthread gland nut with HP tubing from bleed down valve inlet
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Clean gland nut of all Blue Goop with isopropyl alcohol
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Loosen gland nut from outlet fitting using 13/16" and 5/8" wrench
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Unthread gland nut from outlet adapter
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Clean gland nut of all blue goop with isopropyl alcohol
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Push Piston out of actuator housing through oil port using included dowel
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Discard o-ring and backup ring from piston
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Inspect piston, if damage is visible, replace
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Apply o-ring lubricant to cover all of o-ring and back-up ring
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Slide new back-up o-ring (flat) to groove of piston Make sure concave of back-up ring side is towards o-ring
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Slide new o-ring (rounded) to groove of piston
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Insert piston assembly into actuator housing and push with included dowel
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Thread adapter fitting to actuator housing
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Tighten adapter fitting to actuator housing using 1-1/4" and 1-1/16" wrench
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Loosen 3/8" to 1/4" adapter from bleed down valve outlet adapter using......
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Unthread 3/8" to 1/4" adapter from bleed down valve adapter
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Loosen bleed down valve adapter from bleed down valve using.....
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Unthread bleed down valve adapter from bleed down valve
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Remove Seat from bleed down valve body
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Remove Flow Reducer from bleed down valve adapter
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Clean outlet adapter of all blue goop
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Unthread seal back-up screw from top of bleed down valve body
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Push components through bleed down valve body with included dowel
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Clean bleed down valve body with isopropyl alcohol
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Apply high vacuum grease to Needle
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Slide back-up screw on to needle to flat end of needle is flush with non threaded part of back-up screw
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Slide bushing onto point of needle with chamfered end towards back-up screw
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Place hoop with tapered end onto non o-ring side of HP Seal
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Place HP seal assembly onto point of needle with hoop first
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Apply high vacuum grease to exterior of HP seal, hoop, and bushing
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Apply high vacuum grease to internal threads of bleed down valve body
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Insert high pressure needle assembly into top of bleed down valve body with point first
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Push seal backup screw inside of valve body until it bottoms out
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Take seal backup screw out of body and apply a layer of blue goop to threads
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