Bareshaft Pump
7
Supply Couplings
The supply couplings provide a quick method for
attaching the supply hose to the manifold.
Secondary Filter (40K Units)
A secondary lter (Figure 4) is mounted on top of the
pump for use when operating at “40K”. The lter is
not connected during 15K or 20K operation.
A pressure gauge is mounted on the lter to monitor
pressure in the lter.
A differential pressure switch is mounted in the lter
circuit to monitor proper ow through the lter. If the
lter becomes plugged and ow is insufcient, the
switch will cause the engine to shut off. “Emergency
Stop” will be displayed on the control panel.
A drain valve is located on the lter cover that allows
the operator to purge air from the lter at startup.
Fluid End Identication
A plate (Figure 5) is attached to all uid end mani-
folds. The plate is stamped with the uid end model
number. In addition, the plate is stamped with plung-
er size and output pressure related to that plunger
size. Refer to this plate before operating the pump.
Discharge Fitting
Supply
Couplings
Bypass Valve
Figure 3: Pump Components (Continued).
Figure 4: Secondary Filter.
Rating Plate
Figure 5: Fluid End Rating Plate.
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