Rebuilding a Meyer E-47 Pump - Step by Step
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Putting the pump back on. The O Ring in the picture is one of the few "flat" O Rings on the pump. Coat it with oil before inserting it in the groove on the Sump Base.
Get a 1" Spackle Knife, and coat both sides of it with Hydraulic Oil. Set it aside.
Next is the Pump Check Valve. Again, coat the small O Ring with hydraulic oil and press it on to the Seat. Insert the Spring into the Sump Base. Put the ball on the back of the Seat, and carefully insert it and the Seat into the Sump Base.
Like so.... Hold it in place.
Carefully slip the Spackle Knife between your finger and the Seat/O Ring and use the Spackle Knife to hold it in. If it pops out, just do it again. While holding it in place, slide the Pump up against it.
Hold it firmly in place.
Pull the Spackle Knife out. Hold the Pump firmly in place while you put one of the 5/16" - 24 Stop Nuts on the studs and snug it up. Then you can let go and put the other two on and torque them to spec, which is 100 - 125 inch pounds.
Sorry we skipped mounting the Motor onto the Pump. We can add it at a later date. We put the rebuilt E-47 onto our Custom Built Plow Pump Test Stand and checked the Pump output pressure. It was low, at only 1200 psi. We turned in the Adjusting Screw 1/2 a turn, and we got....
1600 psi. right where it should be. (1650+/- 50)
You can find all the parts you need to rebuild it yourself at SmithBrothersPlowParts.com (Our Online Store)
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Author: Chuck Smith