Gorman-Rupp Pumps 11 1/2A9-B 376069 and up - Manual (Page 34)

OM-00570 10 SERIES
MAINTENANCE & REPAIR PAGE E - 11
LUBRICATION
Bearings
The pedestal was fully lubricated when shipped
from the factory. Under normal conditions, add one
shot of No. 0 lithium base grease from a grease
gun through the grease fittings (14 and 20) after
each 250 hours of operation or once each month,
whichever comes first. Do not over lubricate. Over
lubrication can cause the bearings to over heat, re­
sulting in premature bearing failure.
If grease is forced out around the shaft as
new grease is added, the lubrication cavity
is full and no more grease should be added
at this time.
There are no provisions in the bearing cavity to
drain or flush the lubricant. The pump and pedestal
must be disassembled to completely clean and
maintain this cavity.
Under normal conditions, change the grease after
each 5000 hours of operation, or at 12 month inter­
vals, whichever comes first. Change the grease
more frequently if the pump is operated continu­
ously or installed in an environment where variable
hot and cold temperatures are common.
When lubricating a dry (overhauled) pedestal, fill
the cavities through the lubrication fittings with ap­
proximately 2 ounces (57 grams) of grease each.
For cold weather operation, consult the factory or a
lubricant supplier for the recommended grade of
lubricant.
Seal Assembly
The seal assembly is lubricated by the medium be­
ing pumped. No additional lubrication is required.
Power Source
Consult the literature supplied with the power
source, or contact your local power source repre­
sentative.