4
DISASSEMBLY
1.
Remove end cover screws, end cover and O-ring.
2.
Remove impeller by grasping hub with water pump pliers.
3.
Loosen cam screw and remove cam (clean off sealant).
4.
Remove pulley or coupling and key from shaft.
5.
Remove retaining ring which secures bearing/shaft assembly
to pump body.
6.
From impeller end of pump, press bearing and shaft assembly
out of bearing bore. Remove slinger from shaft.
7.
From drive end of pump, press the seal out of the seal bore.
8.
If bearings or shaft need to be replaced, carefully insert two
equal size slot screwdrivers between bearings 180 deg apart.
Simultaneously twist screwdrivers in opposite directions to
separate bearings. Continue to push bearings off of shaft
taking care not to damage bearings or scratch shaft.
9.
Remove snap ring that positions the bearings on the shaft.
NOTE: Inspect all parts for wear or damage and replace where
necessary.
ASSEMBLY
1.
Install bearing positioning snap ring on shaft.
2.
Press bearings (one from each end of shaft) onto shaft and
against positioning snap ring. Slide slinger onto impeller
end of the shaft and position against raised shoulder near
bearings.
3.
Press seal (with lip pointing toward impeller bore) into seal
bore in pump body. Ensure it is seated in bottom of seal bore.
Lubricate seal lip with a small amount of grease.
4.
Align impeller end of shaft with the seal and press shaft/bear-
ing assembly into the bearing bore (push on bearing outer
race). Install bearing retaining ring in retaining ring groove
With concave side facing out toward drive end of shaft.
5.
Apply a thin layer of sealant to screw threads and top of cam
and install in body. Secure with cam screw.
6.
Lubricate impeller bore with light coat of water pump grease
and start impeller into bore with a rotary motion, until impeller
screw engages slot in shaft, then push into bore.
7.
Install O-ring and end cover. Secure with end cover screws.
SERVICE INSTRUCTIONS
Total Head
500 RPM
1160 RPM
1750 RPM
2100 RPM
2450 RPM
3000 RPM
3600 RPM
Head in feet
(Meters)
PSI
(kg/sq cm)
GPM
(L/Min)
HP
GPM
(L/Min)
HP
GPM
(L/Min)
HP
GPM
(L/Min)
HP
GPM
(L/Min)
HP
GPM
(L/Min)
HP
GPM
(L/Min)
HP
10
(3.0)
4.3
(0.3)
1.6
(6.0)
1/12
3.5
(13.3)
1/6
5.8
(22.0)
1/4
6.7
(25.4)
1/3
7.5
(28.4)
1/3
9.4
(35.6)
1/2
11.3
(42.8)
3/4
20
(6.1)
8.7
(0.6)
1.0
(3.8)
1/12
2.6
(9.8)
1/6
5.0
(18.9)
1/4
5.8
(22.0)
1/3
6.6
(25.0)
1/3
8.4
(31.8)
1/2
10.4
(39.4)
3/4
30
(9.1)
13.0
(0.9)
−
−
−
−
3.8
(14.4)
1/4
4.6
(17.4)
1/3
5.3
(20.0)
1/3
7.2
(27.3)
1/2
9.1
(34.4)
3/4
40
(12.2)
17.3
(1.2)
−
−
−
−
−
−
−
−
−
−
5.6
(21.0)
1/2
7.7
(29.2)
3/4
50
(15.2)
21.6
(1.5)
−
−
−
−
−
−
−
−
−
−
−
−
−
−
HEAD CAPACITY TABLES
Model 2620-1101
Capacities reduced by approximately 10% using Nitrile impeller at higher speeds and higher pressures.
NOTE: Progressively longer life may be expected as operating pressures and speeds are reduced. Factory Application Engineering assistance
suggested for operation in light shaded area and recommended for heavy shaded area. Capacitor type motor recommended. Table shows
approximate Head-Flow for new pump in U.S. gallons per minute and liters per minute.
WARRANTY
XYLEM LIMITED WARRANTY WARRANTS THIS PRODUCT TO BE FREE OF DEFECTS AND WORKMANSHIP FOR A PERIOD OF 1 YEAR FROM DATE OF MANUFACTURE. THE
WARRANTY IS EXCLUSIVE AND IN LIEU OF ANY AND ALL OTHER EXPRESS OR IMPLIED WARRANTIES, GUARANTEES, CONDITIONS OR TERMS OF WHATEVER NATURE RELATING
TO THE GOODS PROVIDED HEREUNDER, INCLUDING WITHOUT LIMITATION ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE,
WHICH ARE HEREBY EXPRESSLY DISCLAIMED AND EXCLUDED. EXCEPT AS OTHERWISE PROVIDED BY LAW, BUYER’S EXCLUSIVE REMEDY AND SELLER’S AGGREGATE LIABILITY
FOR BREACH OF ANY OF THE FOREGOING WARRANTIES ARE LIMITED TO REPAIRING OR REPLACING THE PRODUCT AND SHALL IN ALL CASES BE LIMITED TO THE AMOUNT PAID
BY THE BUYER HEREUNDER. IN NO EVENT IS SELLER LIABLE FOR ANY OTHER FORM OF DAMAGES, WHETHER DIRECT, INDIRECT, LIQUIDATED, INCIDENTAL, CONSEQUENTIAL,
PUNITIVE, EXEMPLARY OR SPECIAL DAMAGES, INCLUDING BUT NOT LIMITED TO LOSS OF PROFIT, LOSS OF ANTICIPATED SAVINGS OR REVENUE, LOSS OF INCOME, LOSS OF
BUSINESS, LOSS OF PRODUCTION, LOSS OF OPPORTUNITY OR LOSS OF REPUTATION. THIS WARRANTY IS ONLY A REPRESENTATION OF THE COMPLETE LIMITED WARRANTY.
FOR A DETAILED EXPLANATION, PLEASE VISIT US AT www.xylem.com/en-us/support/, CALL OUR OFFICE NUMBER LISTED, OR WRITE A LETTER TO YOUR REGIONAL OFFICE.
RETURN PROCEDURE
Warranty returns are conducted through the place of purchase. Please contact the appropriate entity with a receipt of purchase to verify date.
