GHC SERIES
OM-05845
PAGE E-5
MAINTENANCE AND REPAIR
PUMP DISASSEMBLY AND
REASSEMBLY
Review all SAFETY information in Section A.
Follow the instructions on all tags, labels and
decals attached to the pump.
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
Figure E‐1 and the accompanying parts lists.
In the following text, minor headings are followed
by a number in parenthesis. This number repre
sents the assembly for the item being discussed as
identified in Figure E‐1.
Before attempting to service the pump, disconnect
the power source to ensure that it will remain inop
erative. Remove the hardware securing the pump
to the power source and separate the power
source and pump assembly. Retain all connecting
parts such as shaft keys, etc.
Close all valves in the suction and discharge lines.
Disconnect the suction and discharge hose/pip
ing.
For power source disassembly and repair, consult
the literature supplied with the power source, or
contact your local power source representative.
This manual will alert personnel to
known procedures which require spe
cial attention, to those which could
damage equipment, and to those which
could be dangerous to personnel. How
ever, this manual cannot possibly pro
vide detailed instructions and precau
tions for each specific application or for
every situation that might occur during
maintenance of the unit. Therefore, it is
the responsibility of the owner, installer
and/or maintenance personnel to en
sure that applications and/or mainte
nance procedures not addressed in this
manual are performed only after estab
lishing that neither personal safety nor
pump integrity are compromised by
such applications or procedures.
Do not attempt to service the pump un
less all power to the power source has
been disconnected; otherwise, serious
personal injury or death could result.
Use
Only Genuine Gorman-Rupp
re
placement parts. Failure to do so may cre
ate a hazard and damage the pump or di
minish optimal pump performance. Any
such hazard, damage or diminished per
formance is not covered by the warranty.
NOTE
When appropriate recycling facilities are available,
the user should recycle components and fluids
when doing any routine maintenance / repairs and
also at the end of the pump’s useful life. All other
components and fluids shall be disposed of ac
cording to all applicable codes and regulations.
PUMP DISASSEMBLY
Use caution when handling the idler (02A)
and the rotor shaft assembly (03A). These
parts have sharp edges which will grow
sharper with use.
In the instructions
which follow the
FRONT
is the
head coverplate end of the pump and the
REAR
is
the drive (or backhead) end of the pump.
NOTE
It is strongly recommended that gaskets and O‐
rings be replaced whenever the pump is reassem
