Xylem 2000 Series Frame Mounted Pumps AC8652 REV.C - Manual (Page 13)

PRIMING AND S R
occu
resu
pers
TING TA
CAUTION: Seal Damage Hazard
Do not run pump dry, seal damage may
r. Failure to follow these instructions could
lt in property damage and/or moderate
onal injury.
Before starting the pump, the pump body must be
f
if the
system t automatically fill the pump body
is up to operating speed the discharge
alve should be opened slowly.
IMPORTANT: The pump should never be
operated with suction valve closed or throttled.
This could result in cavitations.
petroleum
grease after every 2500 hours of operation or
ctions.
GEN
2. When there is a danger of freezing, drain
ump.
required.
SERVICE INSTRUCTIONS
serv ld
resu
ull of liquid. Manual priming may be required
does no
with liquid.
The pump should be started with the discharge
valve closed and the suction valve fully open. After
e pump th
v
LUBRICATION
While pump is running, re-grease pump
bearings with #2 lithium base
every 6 months, whichever occurs first.
Lubricate motor per motor manufacturer’s
instru
ERAL INSTRUCTIONS
1. Keep this pump and motor properly
lubricated.
the p
3. Inspect pump regularly for leaky seals or
gaskets and loose or damaged
components. Replace or repair as
WARNING
Disconnect and lock out power before
icing. Failure to follow these instructions cou
lt in injury or death.
es of pump. (If no valves have been
res,
befo
proc
valv
valv
be re
s
flow
and
the b
plug
com
coul
1. Close valves on suction and discharge
sid
installed, it will be necessary to drain the
system.)
CAUTION
Check surfaces for extreme temperatu
pump temperature to reach acceptable level
re proceeding. Open drain valve, do not
eed until liquid stops coming out of drain
e, if liquid does not stop flowing from drain
e, isolation valves are not sealing and should
paired before proceeding. After liquid stop
ing from drain valve, leave drain valve open
continue. Remove the drain plug located on
ottom of the pump casing. Do not reinstall
allow
or close drain valve until reassembly is
pleted. Failure to follow these instructions
d result in injury or death.
n its
shaft. Remove coupler sleeve. Where a
full diameter impeller is used, it may be
to
Make certain the internal pressure is
relie
instr
dam
2. Remove coupler guard and loosen set
screws in both coupler halves and slide
each half back as far as possible o
necessary to remove the pump side
coupler half and to slide the motor back on
its base in order to gain sufficient
clearance to remove the pump assembly
from the casing.
3. Remove support foot capscrews. Loosen
casing capscrews (1-904-0), do not
remove them. Loosen only capscrews
holding stuff box cover to casing. Start
remove the pump assembly from the
casing (2-001-0).
CAUTION
ved before continuing. Failure to follow these
uctions could result in injury or property
age.
emove seal flushing tube, if used.
e
,
o have new wear rings
installed.
R
Remove the casing capscrews and
remove the pump assembly from the
casing.
4. Pull the entire rotating assembly from the
casing leaving the casing connected to th
piping unless it is to be repaired, replaced
or if applicable, t
13