Goulds Pumps 3996 Installation, Operation And Maintenance Instructions page 14

s
! WARNING
Personal injuries will result if procedures outlined in
this manual are not followed.
NEVER apply heat to remove impeller, It
C
may explode to due trapped liquid.
NEVER use heat to disassemble pump due to
C
risk of explosion from trapped liquid.
NEVER operate pump without coupling
A C
guard correctly installed.
NEVER operate pump beyond the rated
A D
conditions to which the pump was sold.
A D NEVER start pump without proper prime.
!
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.
10
GENERAL PRECAUTIONS
EXPLOSION PREVENTION
NEVER run pump below recommended
A C
minimum flow or when dry.
ALWAYS lock out power to the driver before
C
B
performing pump maintenance.
NEVER operate pump without safety devices
C
installed.
NEVER operate pump with discharge valve
A C
closed.
NEVER operate pump with suction valve
A D
closed.
DO NOT change conditions of service
A C
without approval of an authorized Goulds
representative.
2. Maintaining proper bearing lubrication.
3. Ensuring that the pump is operated in the intended
hydraulic range.
3996 IOM 9/2010