1986 125 HP Trim\Tilt pump

[arty0021]

I have been following the advice from these forums about fixing the hydraulic valve on my trim\tilt but cannot get the valve out. I have removed the snap rings on both sides and have been boiling it. It will not budge. How are you guys getting this out so I can replace the o rings in it that are probably causing my leak down issue? Thanks in advance.

 

[Frank Acampora]

Re: 1986 125 HP Trim\Tilt pump

Takes two people. With the pump fully assembled and the snap rings removed, operate UP or out. The valve should blow out like a bullet. HOWEVER: The engine is going to want to fall so you must have it blocked up (second person holds the blocking). The second person with plenty of thick rags to cushion his hand can also catch the valve to keep it from getting lost. Now, I mean plenty of padding--at least an inch thick. That valve is under 2000 PSI and will come out like a rocket. It will break an unguarded hand. Better to let it fly and look for it later.

As a "Hail Mary" move I did this ----ONCE

 

[RRitt]

Re: 1986 125 HP Trim\Tilt pump

i take entire pump ay off boat, plug up every port, stick it in a coffee can, and run it in up direction. make sure to have pump well inside of can. if plug goes flying then you may never find it.

 

[uthornsfan]

Re: 1986 125 HP Trim\Tilt pump

With motor in fully up position I removed snap ring and then lowered and raised the motor by hand until the plug came out. This way it isnt under as much pressue as if the pump was running... You only need to remove one side then you can press the other side out.

 

[RRitt]

Re: 1986 125 HP Trim\Tilt pump

With motor in fully up position I removed snap ring and then lowered and raised the motor by hand until the plug came out. This way it isnt under as much pressue as if the pump was running... You only need to remove one side then you can press the other side out.

it can still be high. The weight of the motor during tilt cycle creates backpressures of 600-1200psi (in a healthy system).