1
I. GENERAL INFORMATION
A. PREFACE. General vertical cantilevered
(GVC) pumps are designed for industrial service. All
wetted surfaces are available in all iron, stainless
fitted, and stainless steel construction. The general
vertical top pullout (GVT) design provides fast, easy
access to all working parts without disconnecting
pipes.
B. PUMP IDENTIFICATION. The type of pump,
pump size, operating data, and serial number are all
stamped on the nameplate attached to the pump.
Pump specifications should be recorded upon receipt
of the pumping unit. Record all necessary information
on the pump service record page and inspection and
repair record provided at the front of this manual.
When ordering spare parts, check to make sure that
the serial number and model number of the pump are
correct. When ordering a pump, refer to Figure A,
Ordering Codes. This information must be included in
all correspondence regarding the unit. This will ensure
that the correct pump and/or parts are ordered in a
timely manner.
C. PARTS INVENTORY GUIDE. To avoid
unnecessary delays during maintenance of pump,
spare parts should be readily available for normal
service. Most matters can be handled with proper
usage of this manual. For every one to three pumps,
stock one spare set consisting of items listed in Table
5, Recommended Spare Parts. Part numbers
correspond to the drawings (figures 1 through 7)
found at the back of this manual.
A nameplate is attached to each pump. The data on
the nameplate should be recorded and filed for easy
reference. Nameplate data should be furnished to
Carver Pump Company or its representative when
ordering spare parts or requesting information.
D. PARTS ORDERING. Carver Pump Company
strives to provide prompt, accurate service. To ensure
quality customer service, please provide the following
information:
•Serial number of pump (located on
nameplate)
•Part name (refer to Table 6 and Table 7)
•Item number (refer to Table 6, Table 7,
and figures 1 through 7)
•Quantity of parts needed
Carver may ship an interchangeable part that is not
identical in appearance or symbol. This is done only if
the part has been improved. Examine the parts
carefully on receipt before calling the factory or a
company representative. Never return parts to the
factory without authorization from Carver Pump
Company.
If an impeller is ordered, specify diameter across
blade tips. Check to make sure diameter was NOT
trimmed further than diameter shown on Carver Pump
Company records.
If a motor/motor parts are ordered, specify the name
of the manufacturer and all other data found on the
driver nameplate.
E. SAFETY PRECUATIONS. This manual
contains descriptions and instructions, which are the
result of carefully conducted engineering and
research efforts. The manual is written with the intent
to provide instructions for the safe and efficient
installation, operation, and maintenance of the pump.
Failure or neglect to properly install, operate, or
maintain the pump may result in personal injury,
property damage, or unnecessary damage to the
pump and/or parts.
Variations exist in both the equipment used with these
pumps and in particular, installation of the pump and
driver. Therefore, specific operating instructions are
not within the scope of this manual. This manual
contains general rules for installation, operation, and
maintenance of the pump.
Observe and understand all caution or danger tags
attached to the equipment. Observe and understand
all cautions and warnings included in this manual.
The following general safety precautions do not relate
to any specific procedure within this manual but are
pertinent to providing a safe working environment for
personnel.
CAUTION
Various federal, state and local laws and the
regulations concerning OSHA affect
installation, use, and operation of pumping
equipment. Compliance with such laws
relating to the proper installation and safe
operation of pumping equipment is the
responsibility of the equipment owner and all
necessary steps should be taken by the
owner to assure compliance with such laws
before operating the equipment.
PUMP
1. Hydro suction case separately if unit
hydro is greater than 620 PSIG.
2. Isolate pump for system hydro.
3. Do NOT exceed maximum suction
pressure of 415 PSIG on suction case.
4. Do NOT exceed maximum discharge
pressure of 1200 PSIG on discharge
case.
DRIVER
5. Prior to working on pump or driver,
ensure all switches and circuit breakers
have been locked in the open (off)
position and tagged, “Out of Service.”
6. All circuits NOT known to be dead must
be considered live at all times.
7. Do NOT wear loose or torn clothing
around rotating machines. Do NOT wear
jewelry or watches around rotating
machines.
8. While working near electricity, do NOT
use metal rules, flashlights, metallic
