How do you charge an accumulator that does not have a depressing pin in the valve stem?

QUESTION 

 

How do you charge an accumulator that does not have a depressing pin in the valve stem (Figure 1)?

 

Figure 1 – Accumulator charging valve stem

 

 

ANSWER

The MS28889-2 does not have a spring loaded valve stem in it. Its dual nuts on top open and close the internal metallic valve. The charging kit has a 1/8 npt valve on it which will screw on the top of the valve stem (Figure 1).

 

Figure 1 – The accumulator valve connected to the charging kit valve.

 

 

Here is the valve stem closed (Figure 2).

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Figure 2 – Valve stem in closed position

 

 

Connect the accumulator charging valve.  By using 2 wrenches, hold the bottom nut stationary and loosen the top nut. This will open the valve stem (Figure 3)

 

 

 

Figure 3 – Valve stem in the open position

 

K
Keary is the author of this solution article.

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