Rumble Tuff Whisper Assembly instructions

USB Electric Breast Pump
Instructions & Assembly

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Table of Contents Table of Contents
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Important Safeguards
Danger
Caution
Warning
Accessories and Parts
Included Accessories
Expression Collection Combo Kit
About Your Whisper
Electric Breast Pump Main Unit
Expression Indicator Lights
Bottle Assembly
How to Assemble the Expression Collection Combo Kit
Power Options
Using your AC/DC Adapter
Using your Power Bank
Getting Started
How to Use Your Whisper Electric Breast Pump
LED Light Sign Guide
Silent/Sound Mode
Cleaning Instructions
Sanitize Prior to First Use
Before Each Use
General Cleaning Instructions
Tubing Cleaning Instructions

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Table of Contents Table of Contents
Troubleshooting
Interruption of Electrical Service
Radio Frequency Energy
Decreased Suction
Pump Doesn't Start
Breast Milk Buildup In the Breastshield Body
Where to Get Replacement Parts
Where to Purchase Additional Accessories
Technical Data
Power Requirements
Technical Specications
Symbols Legend
Warranty
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Important Safeguards
The Rumble Tuff®Electric Breast Pump is designed for a single user
and should never be shared or resold; doing so will void the warranty.
READ ALL INSTRUCTIONS BEFORE USING
Important Safeguards Important Safeguards
DANGER:
To reduce the risk of electrocution:
• Always unplug this product immediately after using.
• Do not use while bathing.
• Do not place or store this product where it can fall or be pulled into a tub
or sink.
• Do not place or drop into water or other liquid.
• Do not reach for an electrical product that has fallen into water. Unplug
immediately.
• Do not allow children or pets to play with the product (both motor unit
and accessories), as small parts and components included may pose a
swallowing, chocking or strangulation hazard.
CAUTION:
• Do not use this product for any other purpose than as indicated in this
manual.
• Make sure all of the parts are assembled correctly before operating.
• Stop using the breast pump immediately if your breasts or nipples
experience pain or discomfort.
• Please wash hands before using this product.
• Keep this product out of reach of babies and children.
• Do not drop or hit the product. Doing so may cause damage not covered
by the warranty.
• Do not touch the product with bare hands right after sterilizing by boiling
water to avoid scalds and burns.
• Do not over-boil to avoid premature aging of the product materials.
• Do not use any accessories, parts, or attachments that are not
recommended by Rumble Tu. Doing so may void the warranty.
• Do not connect the pump or any of its accessories to any equipment not
recommended by Rumble Tu.
• Do not store the product in a dusty, moist environment, neither being
exposed to light.

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WARNING:
To reduce the risk of burns, electrocution, re, or injury to persons:
• This product should never be left unattended while plugged in.
• Close supervision is necessary when this product is used near children or
invalids.
• Use this product only for its intended use as described in this manual. Do
not use attachments not recommended by Rumble Tu.
• Do not operate this product if it has a damaged cord or plug, if it is not
working properly, if it has been dropped or damaged, or if it has been
dropped in water.
• Keep the cord away from heated surfaces.
• Do not use while sleeping or drowsy.
• Do not drop or insert any other object into any opening or tubing.
• Do not operate outdoors with the AC/DC Adapter, where aerosol spray
products are being used, or where oxygen is being administered.
• Make sure the voltage of the AC/DC Adapter is compatible with the power
source.
• Plug the AC/DC Adapter into the electrical outlet rst, then plug the Power
Cord into your Rumble Tuff®Electric Breast Pump.
• Rumble Tu has provided an AC/DC Adapter with this device. Use of an any
AC/DC Adapter not approved by the manufacturer will void the warranty.
• If you are infected with Hepatitis A, Hepatitis B, or have HIV (Human
Immunodeciency Virus), pumping breast milk does not reduce or remove
the risk of transmitting the virus to your baby through breast milk.
• Wash the Expression Collection Combo Kit parts before each use.
• Do not operate a motor vehicle while using the Rumble Tuff®Electric
Breast Pump.
• Do not attempt to modify the product.
Important Safeguards
SAVE THESE INSTRUCTIONS
along with your receipt for future reference.
Note:
When disposing of the pump or its accessories, please consult with your local authorities for
the proper method of disposal of potentially biohazardous parts and accessories, or to learn
if there are any other regulations.

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Included Accessories (For Single Pump)
Included Accessories (For Double Pump)
()
Accessories and Parts Accessories and Parts
Bottle Adapter Kits
(2 Sets)
Bottle Adapter Kits
(1 Sets)
AC/DC Adapter
AC/DC Adapter
Breast Pump Main Unit
Breast Pump Main Unit
Expression Collection
Combo Kits (2 Sets)
Expression Collection
Combo Kits (1 Sets)
Vacuum Tubing (Double)
with Splitter
Vacuum Tubing (Single)
* Included accessories may vary by country and may change without notice.
2 USB Cables
(45 cm &190 cm)
2 USB Cables
(45 cm &190 cm)

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Expression Collection Combo Kit
Accessories and Parts
Cap
Diaphragm
Flange
Collection Bottle
Bottle Base
Bottle Adapter
Membrane Valve
Breastshield Body
Silicone Cushion
(Optional)

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Swift Expression (Single Digit Display)
Natural Express - (Letter "F" before the single digit)
Helps stimulate milk ow and letdown.
This is a fast, shallow suction pattern. When a baby has just latched on,
the nursing pattern is fast and shallow to start the mother's milk ow.
Helps maximize milk expression.
Longer and deeper suction pattern. When letdown begins (milk begins
to ow), the baby often changes to a longer, deeper suction pattern.
Expression Indicator Lights
Electric Breast Pump Main Unit
About Your Whisper
LED Screen
Vacuum Adjusting
Button
Press the Up and
Down buttons to
adjust the suction.
Mode Button
Power Button
Tubing Adapter Inlet
Power Inlet
USB Cable
Storage Space
Mode LED Indicator Suction Level LED
Indicator

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About Your Whisper Bottle Assembly
How to Assemble the Expression Collection Combo Kit
Hold the Breastshield Body in one hand
and make sure the bottle-thread side
opening is facing up.
Conrm that the Membrane Valve is
securely installed.
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1
Verify that the membrane of
the Membrane Valve is at.
A curled membrane will
cause suction loss.
Insert the Membrane Valve onto the
bottom of the Breastshield Body.
2
How to Assemble the Membrane Valve:
Hold the Silicone
Membrane and insert
the small stem into the
top-right opening of
the Valve.
Press hard on the Membrane to
ensure that the stem is completely
inserted and snugs against the
Valve opening.
Membrane
Valve
Assembly
completed.

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Bottle Assembly
How to Assemble the Expression Collection Combo Kit
Insert the Flange into the Breastshield
Body.
5
Push the center of Silicone Cushion
into the Flange.
Optional
Secure the lip of the Cushion around
the edge of the Flange.
Ensure that the lip of the Cushion is
securely in place.
Note: Your Electric Breast Pump will work
with or without the Silicone Cushion.
Your comfort depends on your preference.
4-1
4-2
4-3
If desired, place the Silicone Cushion
into the Flange of the Breastshield.
4

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Bottle Assembly
How to Assemble the Expression Collection Combo Kit
Ensure that the Diaphragm is securely
mounted in place. This is crucial
to achieving proper suction and
preventing the backow of milk.
Place the Cap on the Cup and
Diaphragm.
Align the hinge
cover over the hinge.
Press tightly on the
cap to seal.
The Electric Diaphragm Kit is
assembled.
9
7
8
6
Press around
the edges of the
Diaphragm for a
secure t.
Note: Do not reverse the order of steps 6
through 9. Doing so will cause suction loss
when pumping.
Place the Diaphragm in the Cup of the
Breastshield Body.

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How to Assemble the Expression Collection Combo Kit
Twist the Bottle Adapter onto the
Breastshield Body.
Twist on the Collection Bottle for a
secure t.
Connect the Tubing to the Tubing
Connector located on the Cap.
Note: Make sure that there is no moisture in
the Tubing.
Bottle Assembly
10
11
12
Bottle Assembly
Push together rmly for a tight seal.
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Bottle Assembly
How to Assemble the Expression Collection Combo Kit
Make sure the Tubing Adapter is
properly inserted into the Tubing
Adapter Inlet on the Electric Pump
Main Unit.
The Expression Collection Combo Kit is
assembled.
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15

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Power Options
Your Electric Breast Pump may be operated under any of the following power
supply modes:
Using your AC/DC Adapter (included)
Attach the Power Cord to the
Power Inlet on the Electric Pump
Main Unit.
Connect the USB cable with the
Adapter.
Plug the AC/DC Adapter into an
electrical outlet.
Note: Do not leave only the AC/DC Adapter
with or without USB cable on the electrical
outlet after use.
Caution:
Electrical safety can only be achieved when using the AC/DC Adapter provided with
the Pump. Use of any another Adapter causes concern for the safety of the product
and/or the user and voids the warranty.

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Power Options
Using your Power Bank
Store the USB Cable in the storage
compartment after use.
Connect the USB cable to the Power
Bank.
Attach the Power Cord to the Power
Inlet on the Electric Pump Main
Unit.
Turn on your Power Bank for power
supply.
Note: Keep the storage compartment lid
closed while pumping to reduce noise.
Caution:
Contact your PC or laptop manufacturer before connection. Rumble Tu is NOT
responsible for PC or laptop connection problems.

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Getting Started
How to Use Your Whisper Electric Breast Pump
Hold the Expression Collection Combo
Kit to your breast so that your nipple is
centered in the Flange.
Press the Power Button to begin
pumping.
The last operating time will be displayed when the pump is turned on. The
pump will automatically memorize the last suction level when the expression
mode is being changed or when the pump is being turned o. It will start at
the Swift Expression mode at the last used suction level.
While pumping, use the Vacuum
Adjusting Buttons and to adjust
the suction level.
If you feel your milk start to letdown,
press the Mode Button once to
switch to the Natural Expression mode.
The pump will memorize the last
suction level at each expression mode.
When toggle between the expression
modes, it will automatically switch back
to that level.
Check for correct tting of the shield.
Power Button
Mode Button

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Getting Started Getting Started
How to Use Your Whisper Electric Breast Pump (Continued)
Note:
Make sure there is no suction applies to the nipples before removing the Breastshield. If
necessary, break the suction by inserting a nger between the Breastshield and the breast,
similar to the way you break away from your baby's suction.
If the Rumble Tuff ®Electric Breast Pump is left on but unattended for more than 30 minutes,
it will automatically shut o.
To view the Assembly Guide video, please visit Rumble Tu online at
www.rumbletu.com/troubleshooting or scan this QR Code with your
smartphone or tablet.
When you nish your pumping session,
press the Power Button to turn the
pump o.
Adjust the suction in the Natural
Expression mode to your comfort level
while pumping by pressing the Vacuum
Adjusting buttons or .
After the pump has been turned o,
the LED Display will remain lit to show
the total minutes used in the last
pumping session.

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LED Light Sign Guide
LED Indicator
The Silent/Sound Mode can only be changed while in the OFF state.
To change to Silent Mode, press both the and the buttons at the same
time for 3 seconds. The LED Display (with “SL” displayed) will ash three times.
When the device is on Silent Mode, all sounds are turned o.
To change to Sound Mode, press both the and the buttons at the same
time for 3 seconds. The LED Display (with “bb”displayed) will ash three
times. When the device is on Sound Mode, all default sounds are turned on.
Silent/Sound Mode

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LED Light Sign Guide
Sanitize Prior to First Use:
Before you use your Rumble Tuff®Electric Breast Pump for the rst time,
disassemble and boil all parts of the Expression Collection Combo Kit in water
for 10 minutes.
• Be sure to use enough water to keep all parts aoat while boiling.
• Do NOT boil Tubing or Tubing Adapter.
• Remove all parts from the water immediately after sterilizing. To avoid
scalds and burns, do NOT touch the product with bare hands right after
sterilizing.
• Completely air-dry or towel-dry the parts before reassembling.
Partially dry components may aect the performance of your Electric Breast
Pump. Please ensure that all parts are completely dry before use.
Before Each Use:
• Wash your hands thoroughly with soap and warm water before handling
the Expression Collection Combo Kit, the Electric Breast Pump, or any
Expression Collection parts or attachments.
• Make sure all parts are clean and dry.
• Ensure the Tubing is free from any liquid. Do NOT operate your Rumble
Tuff®Electric Breast Pump if any liquid is visible in the Tubing.
General Cleaning Instructions:
Caution: Please use extra caution when
cleaning the Membrane Valve. If it gets
damaged, your breast pump will not
function properly.
Special Cleaning Instruction for the
Membrane Valve:
The Membrane is specially
designed with a node on the stem
for your convenience while
cleaning.
To clean the Membrane Valve,
simply pull away the Membrane
from the Valve until it snaps slightly
on the stem but does not completely detach from it. Clean the
Membrane Valve in warm, soapy water, then rinse thoroughly in clean,
warm water or warm running water. After cleaning, push the stem back
into place and make sure the Membrane lays at against the Valve
opening.
Cleaning Instructions

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• Set aside the Tubing. Under the normal working conditions of the pump,
the Diaphragm prevents the backow of milk. Therefore, the Cap and
Tubing do not need to be washed. If any liquid or liquid vapor is found
inside the Tubing, follow the Tubing Cleaning Instructions carefully before
use.
• The rest of the Expression Collection Combo Kit may be cleaned in the
upper compartment of your dishwasher or hand-washed with dish soap
in hot water. Make sure to place the small parts and accessories in the
dishwasher basket with the lid close when cleaning small parts and
accessories to avoid any lost or damage.
• Do NOT use solvents or abrasives.
• Rinse with hot, clean water.
• To clean the Electric Pump Main Unit, wipe it with a damp cloth, using
only water or water mixed with a mild soap.
Tubing Cleaning Instructions:
• Wipe the outside of the Tubing with a clean, damp cloth. Avoid getting
water or other uids inside the Tubing.
• If liquids are found inside Tubing, rinse the Tubing with clean, hot water.
Hang to AIR DRY COMPLETELY BEFORE USING. Do NOT insert any object
into Tubing.
Cleaning Instructions
Note:
Before each use, visually inspect each individual component for cracks, chips, tears,
discoloration, or deterioration, as they may aect the eciency of the Rumble Tuff ® Electric
Breast Pump. In the event that damage to the device is observed, please discontinue use
until the parts have been replaced.
To view the cleaning page, please visit Rumble Tu online at
www.rumbletu.com/troubleshooting or scan this QR Code with
your smartphone or tablet.