Goulds Pumps 3996, Installation, Operation And Maintenance Instructions

Page: 14 / 52

GENERAL PRECAUTIONS
s
! WARNING
Personal injuries will result if procedures outlined in
this manual are not followed.
C
NEVER apply heat to remove impeller, It
may explode to due trapped liquid.
C
NEVER use heat to disassemble pump due to
risk of explosion from trapped liquid.
A C
NEVER operate pump without coupling
guard correctly installed.
A D
NEVER operate pump beyond the rated
conditions to which the pump was sold.
A D NEVER start pump without proper prime.
A C
NEVER run pump below recommended
minimum flow or when dry.
C
B
ALWAYS lock out power to the driver before
performing pump maintenance.
C
NEVER operate pump without safety devices
installed.
A C
NEVER operate pump with discharge valve
closed.
A D
NEVER operate pump with suction valve
closed.
A C
DO NOT change conditions of service
without approval of an authorized Goulds
representative.
EXPLOSION PREVENTION
!
In order to reduce the possibility of accidental explosions in atmospheres containing explosive gasses and/or dust,
the instructions under the ATEX symbol must be closely followed. ATEX certification is a directive enforced in
Europe for non-electrical and electrical equipment installed in Europe. ATEX requirements are not restricted to
Europe. They are useful guidelines for equipment installed in any potentially explosive environment.
!
When pumping unit is installed in a potentially explosive atmosphere, the instructions after the Ex symbol must be
followed. Personal injury and/or equipment damage may occur if these instructions are not followed. If there is any
question regarding these requirements or if the equipment is to be modified, please contact a Goulds representative
before proceeding.
SPECIAL ATEX CONSIDERATIONS
All installation and operation instructions in this manual
must be strictly adhered to. In addition, care must be
taken to ensure that the equipment is properly maintained.
This includes but is not limited to:
1. Monitoring the pump frame and liquid end
temperature.
2. Maintaining proper bearing lubrication.
3. Ensuring that the pump is operated in the intended
hydraulic range.
10
3996 IOM 9/2010