Troubleshooting - Franklin Electric MH Serie Manual Del Propietário

6.) Pull the hydraulic assembly away from the motor
and flange.
7.) Remove the mechanical shaft seal. (If needing to
remove the stationary portion of the shaft seal,
complete step 8 first and then push the piece out
from the back side of the seal plate. Seal plate can be
removed without adapter flanges.
8.) Remove the 4 bolts that hold the motor to the flange
and pull the flange away from the motor.

TROUBLESHOOTING

Problem Possible Cause
Pump does 1. The pump is fully
not deliver primed.
water or
pressure
Low 1. The motor is not up to
pressure speed.
2. The impeller is partially
plugged.
3. Air is leaking into
suction line.
Low 1. Your water level is
capacity deeper than 10 feet.
2. You are using too long
a pipe from the water to
the pump.
3. You have a plugged
impeller.
4. The pipe from the pump
to the water is partially
plugged.
Motor 1. Improper voltage or
overheats wiring connections.
2. Improper ventilation for
the motor.
APPENDIx I - HMS PERFORMANCE TABLES
15 GPM Perfomance Table
HP
50 60 70 80
1/2
21 18 15 12
3/4
25 23 21 19
1
26 25 24
1.5
27 26
2
Remedy
1. Stop the pump, fill it
with water, check all pipe
connections to make sure
there are no air leaks and
try again.
1. Check for proper
voltage and tight wiring
connections.
2. Check impeller for
rocks or debris. Refer to
disassembly instruction for
getting to impeller.
3. Check suction line
connections.
1. Pump can't pump below
10 feet. Call your Franklin
Electric dealer.
2. Use a larger diameter
pipe.
3. Check impeller.
Refer to disassembly
instructions above.
4. Check pipe.
1. Check to see if your
voltage is the same as
indicated on the motor
name on dataplate. Be
sure all wiring connections
are tight.
2. Check to see if motor is
clean and properly vented.
90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270
8 1
18 16 14 12 9
23 21 20 18 17 15
25 25 24 23 22 21
27 26 25 25 24 23
Problem
Loss of
pressure
when no
water is
used.
Motor will
not start
Air logging
(excessive
air in pipe)
Gravelly
noises
inside
pump
(cavitation)
Capacities - GPM
Total Head - Feet
6 1
14 12 10 8 5
20 19 18 16 15
22 21 21 20 19
Possible Cause
1. Leaks in piping or
valves.
2. Water level drops below
the end of the pipe.
1. Open switches,
blown fuses or loose
connections.
2. Improper connections
to motor.
1. Air leaks in pipe.
2 Water drops below the
end of the pipe.
1. Water level is below 10
feet.
2. Suction pipe is too small
or length of pipe is too
long.
3. End of suction pipe is in
mud or sand.
1
14 12 10 9 6
18 17 16 15 14
Continued on next page...
Remedy
1. Check connections.
2. Pump is
out-producing the well.
Close down control valve
gradually until pump starts
operating properly.
1. Check switches, fuses
and connection.
2. Make sure connections
are tight.
1. Check connections.
2. Pump is out-producing
well. Tighten down control
valve gradually until pump
starts operating properly.
1. Call your Franklin
Electric dealer.
2. Use a larger diameter
pipe.
3. Raise end of suction
pipe or clean out well.
Shut Off
Head
(PSI)
44
66
88
4 111
12 11 10 135