Ametek T Operation Manual page 18

4
Remove the check valve spacer, spring, valve poppet, and check valve o-ring.
Check Valve O-ring
Valve Poppet
Spring
Check Valve Spacer
5 Inspect the check valve o-ring, and replace it if necessary. Then re-install the o-ring, valve poppet, spring, and check valve spacer.
6
Slowly pump two and one-half strokes, positioning the pump lever at approximately 45 degrees, halfway through its stroke.
7
Allow system fluid to flow out of the low pressure check valve, flushing entrapped air.
8
Examine the port for air bubbles which may adhere to the threads or parts.
Note:
If air bubbles are present, repeat steps 2 through 5 until no more air bubbles appear.
9 Install the check valve plug and o-ring and tighten partially.
10 If installing the low pressure/high volume check valve plug...
The procedure for the low-pressure/high volume side is now complete.
11 If installing the high pressure/low volume check valve plug...
pressure/low volume check valve plug to ensure complete purging of the valve port.
12 Tighten the high pressure/low volume check valve plug.
13 Operate the pump handle until pumping becomes difficult.
14 Raise the pump handle to the top of its stoke.
15 Push in the valve rod selector to the high pressure/low volume position.
16
Resume pumping to verify the pump is operating properly.
Tighten the check valve plug.
Use slight pressure on the hand lever to push system fluid past the high
16
Support
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Type T Pump Operation Manual