National Vacuum Equipment WPT 480/P Owner's Manual And Operating Instructions - Automatic Oil Pump
16
| WPT Series
www.natvac.com | 800.253.5500
•
Cooling system: normal operating temperature is
140°F - 175°F. Maximum temperature is 200°F.
•
Coolant lines should be assembled as follows:
a. (Cool water) From coolant source to the
circulating pump to the fitting on the top of the
rear endplate back to coolant source.
b. After filling with coolant, run the circulating
pump and recheck the coolant level.
c. After running for several minutes, loosen the
thermometer slightly to allow any air trapped in
the pump to escape. Then retighten the
thermometer.
•
A 2” pressure relief valve and a 1½” vacuum relief
valve have been shipped with your pump and need
to be mounted on the top of the pump.
Automatic oil pump
•
The automatic oil pumps are set at the factory
during pump testing and should require no further
adjustment during pump installation.
•
The pumps are adjusted to one drop every two
seconds per outlet. This oil rate equals 2.7 fluid
oz. per hour.
Adjusting the automatic oil pump
The automatic oil pump is a metered piston-type pump.
If you wish to adjust the pump, please follow these instruc-
tions:
Adjusting the oil rate
Oil flow is changed by adjusting the length of the stroke of
the piston.