Myers Injection Pump
The Myers injection pumps are used on many drilling rigs. The 2 cylinder AO8-4 Myers pump is a very common pump. This newer style pump has a single small piston cup and also a single large piston cup. The old style Myers 2 cylinder pumps have 2 smaller piston cups and 1 single larger piston cup. Here is a operation and maintanence guide for the Myers 2 cylinder pumps and a performance, specifications, and dimensions of the 2 cylinder Myers pumps.