Gorman-Rupp Pumps 12D-1B20 1483730 and up - Manual (Page 28)

10 SERIES OM−06360
MAINTENANCE & REPAIR PAGE E − 10
nuts (9). Check the operation of the check valve to
ensure proper seating and free movement.
Final Pump Assembly
(Figure 1)
Be sure the pump and engine are securely
mounted to the base.
Install the suction and discharge lines and open all
valves. Make certain that all piping connections are
tight, properly supported and secure.
Be sure the pump and engine have been properly
lubricated, see LUBRICATION.
Remove the fill plug (2, Figure 2) and fill the pump
casing with clean liquid. Reinstall the fill plug and
tighten.
Refer to OPERATION, Section C, before putting
the pump back into service.
LUBRICATION
Seal Assembly
(Figure 2)
Fill the grease cup (4) through the grease fitting
with No. 2 lithium base grease until grease es-
capes from the relief hole. Turn the grease cup arm
counterclockwise until it is at the top of the stem;
this will release the spring to apply grease to the
seal (see Figure 4).
GREASE
FITTING
CROSS
ARM
POSITION
WHEN
EMPTY
POSITION
FOR
FILLING
POSITION
WHEN
IN USE
RELIEF
HOLE
Figure 4. Automatic Lubricating Grease Cup
Engine
Consult the literature supplied with the engine, or
contact your local engine representative.