Gorman-Rupp Pumps VGH4D31-B 1379872 thru 1211396 - Manual (Page 32)

VGH SERIES OM−06127
MAINTENANCE & REPAIR PAGE E − 10
Do not fill the bearing cavity through the vent plug
in the top of the housing. This will result in over-fill-
ing, and can cause leakage, excessive heat build-
up and/or premature bearing failure.
Check the oil level regularly through the constant
level oiler and add oil as required.
Under normal conditions, drain the bearing hous-
ing once each year and refill with clean oil. Change
the oil more frequently if the pump is operated con-
tinuously or installed in an environment with rapid
temperature change.
Monitor the condition of the bearing lubri-
cant regularly for evidence of rust or mois-
ture condensation. This is especially im-
portant in areas where variable hot and
cold temperatures are common.
For cold weather operation, consult the factory or a
lubricant supplier for the recommended grade of
oil.
Power Source
Consult the literature supplied with the power
source, or contact your local power source repre-
sentative.