MeyerE-47.com - Common E-47 Problems We Find - Page 4

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Added 7-13-17

More Common Problems We Find When Rebuilding Meyer E-47 Pumps - 4

 



As I mentioned on the last page, it is pretty common to find crushed filters. Slush and ice cannot pass through the fine mesh, so the filter crushes. If the filter is clogged, it can crush too. The above pics are both the high pressure filter on the back of two different E-60 units, but it is common on E-47 units as well.



Here is a favorite of mine. The shipping plug in a 10 year old unit. New units come with the Vent and Bushing in a bag, and are tagged noting the importance of replacing the shipping plug with the vent. I will leave it at that. The only thing that says "I don't know what I am doing" more than this is when a genius puts a bolt in the hole instead. Then the unit leaks like a sieve and they wonder why. It has to be vented or it will leak.



This was discussed on a previous page. The Coils are grounded to the Valves through the nut on top. THIS will give you nothing but trouble trying to run it this way.

Continuing with Coils we come to another favorite of mine. It seems some people have OCD, and if the 3 Coil wires are not the same length, they twist the Coils on the Valves to shorten the wires and make them all the same length. Why this matters I do not know. I do know why it matters to not twist them on the Valves though..... You can also see the B Coil is on the C Valve, and the C Coil is on the B Valve. Fun, fun, fun.




Because eventually they will be hanging on by a thread, or open to corrosion like the ones in the above pics... IF you are using a Touchpad or Pistol Grip Controller, any additional resistance, like this, will give you a red overload light.

This owner went so far as to zip tie the wires with a sharp bend. You can see the gob of silicone on the C Coil where the wire comes out. I guess the copper was exposed, too late, the Coil is shot.



This is an E-60 but you can see how to route the wires without making sharp bends.



Another common one is shoddy wire repairs like the pic above. ALL repairs must be sealed and no, electrical tape does not seal anything.



There was actually a wire wrapped around the wood screw for the A Coil!!



Another common one we already discussed is the "top seal leaking". Well here is a shot O Ring that is under the Top Cap that makes the actual seal. Over time, they get hard, and then crack and fall apart. This was long overdue for a rebuild.



Finding rust in the Lift Cylinder bore is very common. At least 90% of the time it can just be thoroughly honed without any problems.
This is the hone we use in the shop:

 Meyer E-47 Lift Cylinder Flex Hone (E-46, 47, 57, 58, 60H, 61, 66, 68, and 88)
SKU: Hone-E-47
Meyer E-47 Lift Cylinder Flex Hone (E-46, 47, 57, 58, 60H, 61, 66, 68, and 88)
This is a Flex Hone used with a drill to Hone the E-46, 47, 57, 58, 60H, 61, 66, 68, and 88 Lift Cylinders (Click Related for E-60 Hone). Removes rust and pits. Will not remove bad pits, and scores but will smooth them out.
$38.00

A couple of not so common finds.

I have personally rebuilt hundreds of Meyer hydraulic units over the years, and this is the only one of these I have ever seen. The original Meyer decal, and the original Chicago Rawhide Wiper with Brass Insert. I do not recall actual age, but it has to be right around 40 years old. NO RUST on the Wiper. The new ones start rusting the first time they get wet.

This was a first. The C Valve was so swollen, when I tried to pry the Coil off, it would not budge. Then I tried to unscrew it with the C Valve using BIG channel lock pliers, and the C Coil came apart instead.

This is a weird one, very rare in my experience. I am guessing theCrossover acorn nut took a hit at some point. You can see there is a crack, and it is a little bent.

This is a first. There is no possible benefit to welding the Crossover Relief Valve adjusting screw in place. It makes no sense period. You can see what it should look like in the previous pic of the bent Crossover Relief Valve. The chew marks are from me seeing if it would come loose with a pipe wrench before I thought to take a pic. It came loose no problem.

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We will add A LOT more to this page as time allows.

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