Xylem Fire Pump Package Pumping Systems S13421 REV.B - Manual (Page 7)

3.2.4 PUMP ROTATION, 3 PHASE MOTORS ONLY.
Check rotation of electric driven fire pump and
jockey pump; refer to appropriate pump, driver
and controller instruction manuals.
3.2.5 Relief valves are designed to protect the water
system from damage resulting from excess sys-
tem pressure. The relief valve is intended to be
field adjusted for operating pressure by the
owner/operator and it is the responsibility of the
owner/operator to make final opening pressure
adjustments on the system.
3.2.6 On electric driven pumps, adjust casing relief
valve to desired flow at shut off head.
3.2.7 On diesel driven pumps it is desirable to adjust
the main relief valve to ‘crack open’ at shut off
head. This affords the valve an opportunity to
function, with minimum leakage, weekly during
the unit test.
3.2.8 On Jockey pump piping systems with relief valve,
adjust relief valve to desired flow at shut off head.
3.2.9 Pump packing glands should be adjusted, as
necessary, to assure an appropriate leak at each
stuffing box for adequate lubrication and cooling.
3.2.10 If the system is a diesel driven package with
enclosure, check and adjust DC louver to ensure
smooth operation. A foundation that is not level
will cause the linkage to bind and will require
adjustment prior to putting the unit into operation.
3.3 MAINTENANCE
3.3.1 Refer to specific component IOM for maintenance
information.
5
WARNING: Rotating shafts can catch loose
clothing. Do not operate the pump without all
guards in place. FAILURE TO FOLLOW THESE
INSTRUCTIONS WILL RESULT IN SERIOUS PER-
SONAL INJURY, DEATH, AND/OR PROPERTY
DAMAGE.
WARNING: Keep fingers and foreign objects
away from rotating shafts. FAILURE TO FOL-
LOW THESE INSTRUCTIONS WILL RESULT IN
SERIOUS PERSONAL INJURY, DEATH, AND/OR
PROPERTY DAMAGE.
WARNING: Properly adjust relief valves to man-
ufacturer’s instructions. FAILURE TO FOLLOW
THESE INSTRUCTIONS WILL RESULT IN SERIOUS
PERSONAL INJURY, DEATH, AND/OR PROPERTY
DAMAGE.