Rumble Tuff Whisper Assembly instructions

USB Electric Breast Pump
Model: PA209-WIC
Whisper Duo
Instructions & Assembly

1
Congratulations
Congratulations on your new Rumble Tu ® Whisper Duo!
The Rumble Tu ® Whisper Duo is perfect for many occasions.
● Collecting breast milk while you're away from your baby
○ for example: when you're at work
● Relieving engorgement
○ for example: when your baby's feeding habits change because they're eating
more solids
● Maintaining your milk supply if you have to temporarily stop breastfeeding
○ for example: to express unsuitable milk while you are undergoing medical
treatment
The Rumble Tu ® Whisper Duo provides many of the features busy moms
love.
● 3 cycles of expressions to mimic baby's nursing patterns.
○ Reex Expression - Latch on & Rooting habit
○ Swift Expression - Fast but shallow swallowing habit
○ Natural Expression - Steady and strong swallowing pattern
● Milk back-ow protection
● Quiet motor for discretion
● Small and lightweight
● Power options to t your needs
○ USB Adapter (included)
● Convert to Manual Pump in seconds (parts included)
Indication for Use
The Rumble Tu Whisper Duo Electric Breast Pump Duo is designed to
express milk from the breasts of lactating women. It is intended for single
user. Sharing the pump may create health hazard.

2
Table of Contents Table of Contents
Congratulations
Important Safeguards
Danger
Caution
Warning
Accessories and Parts
Bottle Assembly
Expression Collection Combo Kit (HF)
How to Assemble the Expression Collection Combo Kit (HF)
Expression Collection Combo Kit
How to Assemble the Expression Collection Combo Kit
Cleaning Instructions
About Your Rumble Tu󰀨 Whisper Duo
Electric Breast Pump Main Unit
Expression Indicator Lights
How to Use Your Rumble Tu󰀨 Whisper Duo
LED Light Sign Guide
Silent/Sound Mode
Power Options
Breastmilk Storage Guidelines
1
4
4
4
5
6
7
7
8
12
13
16
18
18
18
19
21
21
22
24
24

3
Table of Contents Table of Contents
26
26
28
30
30
30
30
31
31
31
31
32
33
34
Rumble Tu󰀨 Manual Pump Assembly
How to Assemble the Manual-Pump Diaphragm Kit
Using your Rumble Tu󰀨 Manual Pump
Troubleshooting
Interruption of Electrical Service
Radio Frequency Energy
Decreased Suction
Pump Doesn't Rung When Power is "On"
Breast Milk Buildup in the Breastshield Body
Where to get Replacement Parts
Where to Purchase Additional Accessories
Pumping Tips
Warranty
Technical Data

4
Important SafeguardsImportant Safeguards Important Safeguards
The Rumble Tu Whisper Duo Electric Breast Pump Duo is designed to express milk
from the breasts of lactating women. It is intended for single user. Sharing the pump
may create health hazard.
READ ALL INSTRUCTIONS BEFORE USING
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.
WARNING:
• Never leave plugged-in product unattended.
• Keep out of reach of babies and children. Small parts may pose a choking
hazard.
• Do not operate this product if the cord or plug is damaged, 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 while drowsy.
• Do not drop or insert any other object into any opening or tubing.
• Do not operate outdoors with the AC/DC Adapter, in places 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, before plugging the
Power Cord into your Rumble Tu® Electric Breast Pump.
• Rumble Tu has provided an AC/DC Adapter with this device. Use of 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 Tu Electric Breast
Pump.
• Do not attempt to modify the product.

5
Important SafeguardsImportant Safeguards Important Safeguards
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.
• 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 immediately after sterilization
by boiling water to avoid scalds and burns.
• Do not over boil product materials; to prevent premature aging.
• 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, or damp environment, or in direct
sunlight.
Note:
When disposing of the pump or its accessories, please consult with your local authorities
for the proper method of disposal of potentially bio-hazardous parts and accessories, or to
learn if there are any other regulations.
SAVE THESE INSTRUCTIONS
along with your receipt for future reference.

6
Accessories and Parts Bottle Assembly
Included Parts and Accessories
User Manual
12V AC/DC Power
Adapter
(2) Membrane Valves
& (2) O-Rings
Assembly Guide
Removable Flanges
(28 mm) & 2017
Breastshield Body
(2) Bottle Caps
Cleaning
Instructions
(2) Expression
Collection Combo
Kits
Mesh Drying Bag
Welcome/Registration
Card
Silicone Tubing
(Double)
Manual Diaphragm
Add-On Kit

7
Expression Collection Combo Kit (HF)
Accessories and Parts Bottle Assembly
Cap
Diaphragm
Flange
Silicone Cushion
Collection Bottle
Bottle Base
Bottle Adapter
Membrane Valve
Breastshield Body

8
Bottle Assembly
Bottle Assembly
How to Assemble the Expression Collection Combo Kit (HF)
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.
3
1
Verify that the membrane of
the Membrane Valve is at.
A curled membrane will
result in suction loss.
Insert the Membrane Valve into 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 is snug against the
Valve opening.
Membrane
Valve
Assembly
completed.

9
Bottle Assembly
Bottle Assembly
Push the center of the Silicone
Cushion into the Flange.
How to Assemble the Expression Collection Combo Kit (HF)
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.
Insert the Flange into the Breastshield
Body.
5
4-1
4-2
4-3
If desired, place the Silicone Cushion
into the Flange of the Breastshield.
4

10
Bottle Assembly
How to Assemble the Expression Collection Combo Kit (HF)
Ensure that the Diaphragm is securely
mounted in place. This is crucial in
order to achieve proper suction and
prevent milk backow.
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 result in suction
loss when pumping.
Place the Diaphragm in the Cup of the
Breastshield Body.

11
Bottle AssemblyBottle Assembly
How to Assemble the Expression Collection Combo Kit (HF)
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.
10
11
12
Note: Make sure there is no moisture in the
Tubing.
Push rmly together for a tight seal.
The Expression Collection Combo Kit is
assembled.
13
14

12
Bottle Assembly Bottle Assembly
Expression Collection Combo Kit
Cap
Diaphragm
Flange
Silicone Cushion
Collection Bottle
Bottle Base
Bottle Adapter
Membrane Valve
Breastshield Body

13
Bottle Assembly
How to Assemble the Expression Collection Combo Kit
Hold the horn of the Breastshield Body
in one hand. Make sure the bottle-thread
side opening is facing up.
With your thumb and forenger, gently
smooth closed any openings on the tip
of the One-Way Valve and shape into a
straight line.
3
1
Note: The One-Way Valve tip does not have to align with anything, as long as all the
edges are securely sealed.
With the thumb and forenger of the
other hand, hold the tip of the One-Way
Valve and place the at circular bottom
into the opening. Be sure not to stretch,
bend, or twist the tip of the One-Way
valve. Seal all the edges of the at
circular bottom rmly.
2
Flat circular
bottom
Tip
Note: This is critical
to the performance
of the pump.
With the Cup in one hand, place
the Silicone Diaphragm in the Cup
(matching the shape of the Cup). Press
around the edges of the Diaphragm for
a secure t. Make sure the Diaphragm
is evenly mounted on the Cup and
there is no gap in between them.
4
How to Assemble the Electric Pump Diaphragm Kit

14
Bottle Assembly Bottle Assembly
Place the Cap on the Cup and
Diaphragm. (Be sure to align the hinge
and hinge cover.) Press tightly to seal.
4-1
Hinge Cover
Hinge
4-2 With the O-ring side down, put the
Electric Pump Diaphragm Kit onto the
top of the Breastshield Body opening.
Twist the Electric Pump Diaphragm
Kit clockwise onto the Breastshield
Body opening. Twist the Electric Pump
Diaphragm Kit clockwise onto the
Breastshield Body until it locks into
place. Turn to page 14 to continue the
Expression Collection Kit assembly.
Turn
Clockwise
Twist the Bottle Adapter onto the
Breastshield Body.
Twist on the Collection Bottle for a
secure t.
5
6

15
Bottle Assembly Bottle Assembly
How to Assemble the Expression Collection Combo Kit
Disconnect the tube from the
Tubing Splitter on the side
with the little Cap.
Ready to use as a single
pump.
Cap the opening of the
Tubing Splitter
2 31
To Convert Your Double Pump Into a Single Pump: Remove one tube and close the cap.
Note: Using the pump after converting from Single to Double or Double to Single may result in a temporary lack of
suction or over-suction respectively. Please use caution and adjust the pump to your comfortable and eective level.
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.
Connect the Tubing to the Tubing
Connector located on the Cap.
7
Note: Make sure there is no moisture in the
Tubing.
Push rmly together for a tight seal.
The Expression Collection Combo Kit is
assembled.
8
9

16
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 Duo if any liquid is visible in the Tubing.
General Cleaning Instructions:
Caution: Please use extra caution when cleaning the
One-Way Valve and Membrane Valve. If either gets
damaged, your breast pump will not function properly.
Special Cleaning Instruction for the One-Way Valve:
To clean the One-Way Valve, rub it gently between your ngers in warm
soapy water, then rinse thoroughly in clean warm water. Do not insert
any objects into the One-Way Valve as this may damage the valve.
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.
Cleaning Instructions

17
Cleaning InstructionsCleaning Instructions
Special Cleaning Instruction for the
Membrane Valve:
To clean the Membrane Valve, simply
pull the Membrane from the Valve until
it snaps slightly on the stem but does
not completely detach. 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.
• Set the Tubing aside. Under normal working conditions of the pump, the
Diaphragm prevents milk backow, 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 closed to avoid any loss 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 liquid is found inside the Tubing, rinse the Tubing with clean, hot water.
Hang to AIR DRY COMPLETELY BEFORE USING. Do NOT insert any object
into Tubing.
Drying Bag: For your convenience, you can use the included Drying Bag to
hang dry all washed and sanitized accessories.
To view the cleaning instruction online, please visit Rumble Tu
online at www.rumbletu.com/troubleshooting or scan this QR
Code with your smartphone or tablet.

18
Expression Indicator Lights
Electric Breast Pump Main Unit
About Your Rumble Tu Whisper Duo
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
Compartment
LED Mode Indicator LED Suction
LevelIndicator
Swift Expression (Single Digit Display)
Natural Expression (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.
The Rumble Tu Whisper Duo Electric Breast Pump Duo is designed to express milk from the breasts
of lactating women. It is intended for single user. Sharing the pump may create health hazard.

19
About Your Rumble Tu Whisper Duo
How to Use Your Rumble Tu Whisper Duo
Hold the Expression Collection Combo
Kit to your breast so that your nipple is
centered in the Flange.
24~25mm
Check for correct tting of the shield.
Press the Power Button to
begin pumping.
The last operating time will be displayed as soon as the pump is turned
on. The pump automatically remembers the last suction level used in Swift
Expression mode and will start at that level.
While pumping, use the Vacuum
Adjusting Buttons and to adjust
the suction level.
When you feel your milk start to
letdown, press the Mode Button
once to switch to the Natural
Expression mode. The pump
automatically remembers the last
suction level used in Natural Expression
mode and will start at that level.
Power Button
Mode Button