Rebuilding a Meyer E-47 Pump - Step by Step

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Here is the inside of the Lift Cylinder. You can see it is rusted, and scores in the walls from the Packing Cup.

And here it is after being lightly honed with a 3M Scotchbrite pad.

Here are the "B" and "C" Valves. It is very important that the Back Ups be in the proper location when replacing the O Rings on the "C" Valve. Older Valves might not have screens on them.

Drizzle new Hydraulic Oil in the Sump Base, and install a new O Ring for the Lift Cylinder. Coat the Lift Ram Packing Cup with clean Hydraulic Oil, and slide the Lift Ram assembly back into the Lift Cylinder. You might need to use a rawhide mallet to tap it in. I like to do it on a wooden bench. When it bottoms out, it is in all the way, and the wood will not damage the threads on the stud on the end of the Lift Ram. Set the Lift Cylinder with the Lift Ram installed in it, back into the Sump Base onto the O Ring. It just sits on it.

Slip the washer onto the Lift Ram, making sure the grooves are facing down.

Here you can see we drizzled oil onto the Lift Ram, and slid the new clear plastic O Ring onto the Ram, down against the grooved Washer.

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