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Section 11 |
NORD Motor Maintenance
and Troubleshooting
www.pflow.com
P 414 352 9000
F 414 352 9002
6720 N. Teutonia Ave.
Milwaukee, WI 53209
Oil Drain and
Fill-level Plugs
Oil Formulation
Codes
Ambient
Temperature
2LO/XEULFDQWV
All reducer drain plugs are metric and utilize sealing
gaskets between the head of the plug and the reducer
housing. It is standard practice to provide a hex-head
screw for the fill-level plug. For ease of draining the
used oil from the gear reducer, use the socket head
screw located at the lowest part of the gearbox.
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The “Ambient Temperature” is intended to be an operation guideline
based upon the typical properties of all the lubricant. The viscosity and
other properties of the lubricant change based upon load, speed, ambient
conditions, and reducer operating temperatures. The user should consult
with their lubrication supplier before considering changes in oil type
or viscosity.
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To prevent reducer overheating, observe the maximum operating oil
temperature limits:
Mineral Oil: 80 - 85ºC (176 – 180ºF)
Synthetic Oil: 105ºC (225ºF)
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In the following instances, please consult PFlow Industries, Inc. Product
Support Department for specific recommendations:
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Gear units will operate in high ambient temperature conditions
exceeding 40ºC (104ºF).
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Gear units will operate in cold ambient temperature conditions
approaching 0ºC (32ºF) or lower.
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Lower than an ISO VG100 viscosity oil is being considered for a cold-
temperature service.
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Fluid grease is required for lubricating the gear unit.
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Plug Identification Figure 11-4
