Gorman-Rupp Pumps 06C1-GHH 1071445 and up - Manual (Page 35)

0 SERIES OM-03179
MAINTENANCE & REPAIR PAGE E - 10
PUMP AND SEAL DISASSEMBLY
Review all SAFETY information in Section A.
Follow the instructions on all tags, label and de­
cals attached to the pump.
If this pump is used with volatile and/or
flammable liquids, be certain proper
safety practices are followed before op­
erating or servicing the pump. Provide
adequate ventilation, prohibit smoking,
wear static‐resistant clothing and
shoes. Clean up all fuel spills immedi­
ately after occurrence.
This pump requires little service due to its rugged,
minimum‐maintenance design. However, if it be­
comes necessary to inspect or replace the wearing
parts, follow these instructions, which are keyed to
the sectional views (Figures 1, 2 , 2A and 3) and the
accompanying parts lists.
Most service functions, such as wear ring, impeller,
and seal replacement, may be performed by drain­
ing the pump and removing the suction head.
However, due to the confined mounting location of
the pump, it is recommended that the pump be re­
moved from the vehicle for service. The following
instructions assume complete disassembly is re­
quired.
If the gearbox requires repair, proceed with PUMP
AND SEAL DISASSEMBLY, followed by GEAR­
BOX DISASSEMBLY.
Before attempting to service the pump,switch off
the engine ignition and remove the key ensure that
it will remain inoperative. Close all valves in the suc­
tion and discharge lines.
Before attempting to open or service the
pump:
1. Familiarize yourself with this man­
ual.
2. Switch off the engine ignition and
remove the key to ensure that the
pump will remain inoperative.
3. Allow the pump to cool if over­
heated.
4. Check the temperature before
opening any covers, plates, or
plugs.
5. Close the suction and discharge
valves.
6. Vent the pump slowly and cau­
tiously.
7. Drain the pump.
After the vehicle is positioned for pump
maintenance, block the wheels and set
the emergency brake before attempting
to disconnect the drive shaft or remove
the pump. Be sure the pump is properly
reinstalled and secure before opera­
tion.
The instructions in this section are keyed to Figure
1 and the accompanying parts lists.
Removing Pump and Gearbox
Due to the confined mounting location of the
pump, it is recommended that the pump be re­
moved from the vehicle for service.
Due to the confined mounting location,
specialized equipment such as a transmis­
sion jack with custom brackets should be
used to lift and position the pump and
gearbox.
Close all valves in the suction and discharge lines.
Remove the casing drain plug (20), and drain the
pump. Clean and reinstall the drain plug.
Remove the suction piping. Remove the nuts se­
curing the pump casing to the petroleum flange on
the vehicle tank.
Remove the hardware securing the input and out­
put drive flanges (8 and 28) to the drive shafts. Dis­