SA 12, SA 14, SA 15 and SA 16 – UK
Operation and Maintenance Manual
Manual 117 Issue 15
Page 16 of 24
4.5 Pump (If Required)
• Remove the pump from the SA unit.
• Remove the pump head from the pump casing and examine the diaphragm for signs
of wear.
• Check the balance within the connecting rod for excessive movement. Replace the
connecting rod and balance if necessary.
• Remove both pump head nozzles from the pump head.
• Remove the transfer valves.
• Clean the valve seats and check the valves for signs of wear.
• Replace any worn or damaged components as necessary and re-assemble.
• Replace the pump back into the SA unit and re-connect the internal tubing.
Note: Replacement kits are available to change an old LQ25 Pump with a new MQ25 Pump. Details
found in Options and Recommended Spares section.
MQ25 Pump Complete
Con-Rod
Assembly
Seal Kit
Pump Head