396-3815Y1 SureFire PumpRight for Raven RCM 56 Revised 01/16/2018
Winterization
SureFire recommends flushing your fertilizer pump and complete system with adequate amounts of water
first. Next, use RV antifreeze to winterize your system by pumping an adequate amount through all
components. At the beginning of the next season, begin with water to verify the system is in working order
with no leaks.
Change Pump Oil Annually
PumpRight pumps use an internal oil lubricated crankshaft and connecting rod design. The oil is held in an
external reservoir with level indicators. Hypro oil is recommended for the pump. This is a non-detergent
SAE30 weight oil. If not available, hydraulic jack oils are a similar non-detergent formulation. Annual oil
changes are recommended.
To fill or drain the pump completely, the pump shaft must be turned slowly by hand. The hydraulic motor will
have to be removed to do this.
On some pump models, the pump will have to be removed from the mounting bracket and lifted slightly to
allow access to the oil plug.
When refilling the pump with oil, the shaft will again have to be rotated to fill the pump to its required oil
volume.
Recommended Care and Maintenance
Diaphragm & Valve Replacement
PumpRight pumps are designed to allow very simple replacement of the two main pumping components; the
diaphragms and the inlet & outlet valves. It is a good practice to replace these annually. It is a small job that
helps ensure reliable operation during the busy season.
Air Bladder
PumpRight pumps have an air bladder to smooth the pump output flow. It is recommended to run this
bladder at 20% of working pressure. So, if your system operates at 50 psi, charge the air bladder to 10 psi.
Due to the small size of the air bladder, very little air is needed. SureFire recommends charging a portable
air tank to the correct pressure, then attach to the bladder valve to charge the air bladder to the same
pressure as your air tank.
H
Maintenance
& Parts
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