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Troubleshooting
Vibration induced by driving can loosen plumbing, strainers and pump hardware. Check for system
components that are loose. Also, refer to the chart below for trouble-shooting tips.
PUMP WILL NOT START/ BLOWS CIRCUIT:
•
Electrical connections, fuse or breaker, main switch, and ground
connection.
•
Is the motor hot? Thermal breaker may have triggered; it will reset
when cool.
•
Is voltage present at the switch? Bypass the pressure switch.
Does the pump operate?
•
Charging System for correct voltage (±10%) and good ground.
•
For an open or grounded circuit, or motor; or improperly sized
wire.
•
For seized or locked diaphragm assembly (water frozen?).
WILL NOT PRIME/SPUTTERS: (No discharge/Motor runs)
•
Is the strainer clogged with debris?
•
Is there water in the tank, or has air collected in the hot water
heater?
•
Is the inlet tubing/plumbing sucking in air at plumbing connections
(vacuum leak)?
•
Is inlet/outlet plumbing severely restricted or kinked? Restrictive
valves?
•
Proper voltage with the pump operating (±10%).
•
For debris in pump inlet/outlet valves or swollen/dry valves.
•
Pump housing for cracks or loose drive assembly screws.
RAPID CYCLING:
•
For restrictive plumbing and flow restrictions in faucets/shower
heads.
•
Water filter/purifier should be on separate feed line.
•
Shut-off pressure set too low.
55 psi models: part kits
No.
Component
1
Upper Assembly
2
Valve Assembly
3
2.5° Drive Assembly
4
Motor
N/S
Check Valve
1,2,3
Pump Head
N/S
Pressure Switch
LIMITED WARRANTY
SHURflo warrants its aftermarket retail 4008 series potable water pumps to be free from material and workmanship defects under normal use and service for 2
years from the date of purchase with purchase receipt or 2 years from the date of manufacture indicated on the motor nameplate i f no purchase receipt is
available, as outlined in document MS-030-152. Pumps installed as original equipment are warranted for 1 year, and fall under the warranty supplied by the
manufacturer, as outlined in document MS-030-123. This limited warranty is in lieu of all other warranties, expressed or implied (including without limitation
implied warranties of merchantability and fitness for a particular purpose), and no other person is authorized to give any other warranty or assume obligation or
liability on SHURflo's behalf. SHURflo shall not be liable for any labor, damage or other expense, nor shall SHURflo be liable f or any indirect, incidental or
consequential damages of any kind incurred by the use or sale of any defective Product or part. This limited warranty covers Products distributed within the
United States of America and Canada. Other world market areas should consult with the distributor for any deviation from this document. The limited warranty
will not apply to pumps that were improperly installed, misapplied, or are incompatible with components not manufactured by SHURflo. Product failure due to
foreign debris is not covered under the terms of this limited warranty. SHURflo will not warrant any Product that is physically damaged, or altered outside
SHURflo. Warranty claims may be resolved by an authorized dealer service center, or by a SHURflo service center. Returns are to be shipped with charges
pre-paid. Package all returns carefully. SHURflo will not be responsible for freight damage incurred during shipping to a service center. For complete Limited
Warranty details, consult SHURflo.
SHURflo
5900 Katella Avenue
Cypress, CA 90630
Phone (562) 795-5200
Toll Free (800) 854-3218
Fax (562) 795-7564
911-1008 Rev D
© 2009 SHURflo, LLC All Rights Reserved
Part Kit
94-800-00
94-800-01
2
94-800-02
1
11-302-00
94-800-03
94-800-04
94-800-05
Visit our Web Site at http://www.shurflo.com
Shurflo reserves the right to update specifications,
change prices, or make substitutions without notice.
SHURflo East
SHURflo Europe, Middle East, Africa
52748 Park Six Court
Pentair Water Belgium bvba
Elkhart, IN 46514-5427
Industriepark Wolfstee, Toekomstlann 30
Phone (562) 795-5200
B-2200 Herentals, Belgium
Toll Free (800) 854-3218
Phone +32-14-283500
Fax (574) 264-2169
Fax +32-14-283505
PUMP WILL NOT SHUT-OFF / RUNS WHEN FAUCET IS CLOSED:
•
Output side (pressure) plumbing for leaks, and inspect for leaky valves
or toilet.
•
For air trapped in outlet side (water heater) or pump head.
•
For correct voltage to pump (±10%).
•
For loose drive assembly or pump head screws.
•
Are the valves held open by debris or is the rubber swollen?
•
Pressure switch operation. By -pass set higher than shut -off
NOISY OR ROUGH OPERATION:
•
For plumbing which may have vibrated loose.
•
For a restricted inlet (clogged strainer, kinked hose, restrictive
valves).
•
Is the pump plumbed with rigid pipe causing noise to transmit?
•
Does the mounting surface amplify noise (flexible)? Does it bang
like a drum?
•
For mounting feet that are loose or are compressed too tight.
•
For air in the system. Check all fixtures for air and bleed system.
•
The motor with pump head removed. Is noise from motor or pump
head?
LEAKS FROM PUMP HEAD OR SWITCH:
•
For loose screws at switch, by -pass or pump head.
•
Switch diaphragm ruptured or pinched.
•
For punctured diaphragm if water is present in the drive
4
3
assembly.
Typical Performance
PSI/Bar
GPM [LPM]
Amps
0/0
3.0 [11.3]
2.8
10/0.7
2.3 [8.7]
3.2
20/1.4
1.9 [7.2]
4.2
30/2.1
1.6 [6.0]
5.1
40/2.8
1.4 [5.3]
6.1
50/3.4
0.8 [3.0]
6.8
55/3.8
0
7.5
FLOW TECHNOLOLIES GROUP
5900 Katella Ave, Cypress, CA 90630
Phone (800) 854-3218 • (562) 795-5200 • Fax (562) 795-7564
www.shurflo.com
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