Xylem 16470-0025 Instrucciones página 2

WARNING: The procedure described be-
low may expose the user to fluids that were
transported by the pump. The user should
wear proper protective gear, such as gloves
and safety glasses if a hazard exists.
WARNING: Risk of electrical shock if
instructions are not followed.
PART NO. DESCRIPTION
20380070A Flojet 70 PSI DC Switch Replacement Kit
16470-0025 Jabsco 25 PSI DC Switch Replacement Kit
16470-0040 Jabsco 40 PSI DC Switch Replacement Kit
16470-0060 Jabsco 60 PSI DC Switch Replacement Kit
16470-0070 Jabsco 70 PSI DC Switch Replacement Kit
1. Check the pump label to see if the pump is low voltage (≤36V
DC) or high voltage. These kits have been developed for only
low voltage DC pumps.
2. Once the pump is determined to be low voltage (12, 24, or
34-36V DC) disconnect the pump completely from the power
source.
3. Open faucets to relieve system pressure. If pump is located be-
low the supply tank, ensure that the supply tank valve is closed
to prevent water leakage during service.
4. To remove the existing switch, first cut the red/orange wire that
goes from the motor to the pressure switch 2-3" from the motor
end.
5. On a well-lit workbench unscrew all 4 screws that hold the pres-
sure switch to the pump. These screws are located at each end
of the pressure switch cover.
6. Remove the pressure switch and the diaphragm from the
pump, use a pick or small screwdriver to facilitate this if neces-
sary. Dispose of both the old pressure switch and the old screws.
7. Place a new diaphragm where the old one was located. Using
the new screws provided, attach the new pressure switch on to
the pump head. To do so, first turn the screw backwards until
you feel a "jump", then start tightening the screws gradually,
alternating between each side with an X pattern; to ensure that
the pressure switch is seated properly (torque specification is
14 +/- 1 in-lb). Use of a torque wrench is recommended. If a
torque wrench is not available tighten by hand (with a Philips
screwdriver) until switch is firmly seated in place).
8. Use the butt splice connector provided with the kit to connect
the orange wire from the new pressure switch to the original
red/orange wire on the motor. Sufficiently strip and insert both
wire ends into each side of the connector and crimp firmly. Ap-
Black
Wire
Wire to the
pressure switch
Diaphragm
Red/Orange
Wire
ply heat to the shrink tubing of the connector to finish.
9. If the red/orange wire that goes from the pressure switch to the
power source was cut, the kit contains an extra butt splice con-
nector to reconnect the wire to the new pressure switch.
10. Close all faucets. Re-install pump to the application and recon-
nect the power leads. Turn power on to pump and verify that
pump is operational. Open faucets to bleed trapped air from
system. When bubbles stop, close faucets and confirm that
pump turns off automatically. Make sure there are no leaks in
the pressure switch area. Clean and disinfect the work area and
sanitize the pump system wetted path if appropriate.
2
Wire to the
power supply
Pressure Switch Set
Screw (for calibration
4x torque
14 +/– 1 in-lb only) See step 10,
Note.
Red/Orange
Wire
Cut wire
2-3"
from
motor