The lube guard pump assembly provides protection for the lubrication system by verifying that the camshaft is rotating while also indicating a low oil level condition in the lubrication box.
Lube Guard Part Numbers:
650140000091834 P55 With 1/2” Short Tube
650140000091843 P55 With 1” Short Tube
Operation:
During normal operation, oil pressure in the lube guard manifold will fluctuate within a range proportional to the pump output rate. The lube guard maintains pressure in the manifold to indicate sufficient oil level in a lubricator box.
When the oil level in the lubricator box drops below the suction tube, the pump stops generating oil pressure. At this point, residual oil pressure vents through the orifice, dropping gauge pressure in the manifold. This drop in pressure will trigger a pressure switch set point.
Features:
• Installs in any pump location in a CPI lubricator box or on the spare cam in older lubricator designs
• Utilizes box suction pumps, drawing oil from the lubricator box, cycling it through the lube guard manifold and back into the lubricator box
• Pressure regulator sets the upper pressure limit of the manifold. This is factory set and wire tied
• Orifice kit is included to configure the lube guard to the application oil viscosity and volumetric flow rate
• Rotatable pressure gauge (loosen the tube fitting nut, retighten to connect)
Operating Instructions:
For proper operation of the lube guard, the correct orifice size must be selected for the operating oil viscosity and volumetric flow rate. Below are two common scenarios when the selection of the orifice needs to be increased or decreased.
Technical Specifications:
Cylinder Size: 3/8” (9.5 mm)
Approx Weight: 6 lbs (2.7 kg)
MAWP: 300 psi (20.7 bar)
Operating Speed: 2-50 strokes/minute
For more information, please reach out.
CPI LUBE GUARD PUMP ASSEMBLY, NO FLOW DEVICE
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