Bauer HYPERMAX 191101C-B User manual

Battery and charger sold separately.
Visit our website at: http://www.harborfreight.com
Email our technical support at: [email protected]
Owner’s Manual & Safety Instructions
Save This Manual Keep this manual for the safety warnings and precautions, assembly,
operating, inspection, maintenance and cleaning procedures. Write the product’s serial number in the
back of the manual (or month and year of purchase if product has no number). Keep this manual and the
receipt in a safe and dry place for future reference. 22f
When unpacking, make sure that the product is intact
and undamaged. If any parts are missing or broken,
please call 1-888-866-5797 as soon as possible.
Copyright©2019 by Harbor Freight Tools®. All rights reserved.
No portion of this manual or any artwork contained herein may be reproduced in
any shape or form without the express written consent of Harbor Freight Tools.
Diagrams within this manual may not be drawn proportionally. Due to continuing
improvements, actual product may differ slightly from the product described herein.
Tools required for assembly and service may not be included.
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.

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SAFETY OPERATION MAINTENANCESETUP
Table of Contents
Safety ......................................................... 2
Specifications ............................................. 7
Setup .......................................................... 7
Operation.................................................... 8
Maintenance.............................................. 12
Parts List and Diagram.............................. 14
Warranty .................................................... 16
WARNING SYMBOLS AND DEFINITIONS
This is the safety alert symbol. It is used to alert you to potential
personal injury hazards. Obey all safety messages that
follow this symbol to avoid possible injury or death.
Indicates a hazardous situation which, if not avoided,
will result in death or serious injury.
Indicates a hazardous situation which, if not avoided,
could result in death or serious injury.
Indicates a hazardous situation which, if not avoided,
could result in minor or moderate injury.
Addresses practices not related to personal injury.
IMPORTANT SAFETY INFORMATION
General Power Tool Safety Warnings
Read all safety warnings and all instructions.
Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury.
Save all warnings and instructions for future reference.
The term ″power tool″ in the warnings refers to your battery-operated (cordless) power tool.
Work Area Safety
1. Keep work area clean and well lit.
Cluttered or dark areas invite accidents.
2. Do not operate power tools in explosive
atmospheres, such as in the presence of
flammable liquids, gases or dust. Power tools
create sparks which may ignite the dust or fumes.
3. Keep children and bystanders
away while operating a power tool.
Distractions can cause you to lose control.
Electrical Safety
Do not expose power tools to rain or wet conditions.
Water entering a power tool will increase the risk of electric shock.

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SAFETYOPERATIONMAINTENANCE SETUP
Personal Safety
1. Stay alert, watch what you are doing
and use common sense when operating
a power tool. Do not use a power
tool while you are tired or under the
influence of drugs, alcohol or medication.
A moment of inattention while operating power
tools may result in serious personal injury.
2. Use personal protective equipment.
Always wear eye protection. Protective
equipment such as dust mask, non-skid safety
shoes, hard hat, or hearing protection used for
appropriate conditions will reduce personal injuries.
3. Prevent unintentional starting.
Ensure the Trigger is in the off-position before
connecting to power source, picking up or
carrying the tool.
Carrying power tools with your finger on
the Trigger or energizing power tools that
have the Trigger on invites accidents.
4. Do not overreach. Keep proper footing and
balance at all times. This enables better control
of the power tool in unexpected situations.
5. Dress properly. Do not wear loose clothing or
jewelry. Keep your hair, clothing and gloves
away from moving parts. Loose clothes, jewelry
or long hair can be caught in moving parts.
6. If devices are provided for the connection of
dust extraction and collection facilities, ensure
these are connected and properly used. Use of
dust collection can reduce dust‑related hazards.
7. Only use safety equipment that has been
approved by an appropriate standards agency.
Unapproved safety equipment may not provide
adequate protection. Eye protection must be
ANSI-approved and breathing protection
must be NIOSH-approved for the
specific hazards in the work area.
Power Tool Use and Care
1. Do not force the power tool. Use the
correct power tool for your application.
The correct power tool will do the job better and
safer at the rate for which it was designed.
2. Do not use the power tool if the Trigger
does not turn it on and off.
Any power tool that cannot be controlled with the
Trigger is dangerous and must be repaired.
3. Disconnect the battery pack from the
power tool before making any adjustments,
changing accessories, or storing power
tools. Such preventive safety measures reduce
the risk of starting the power tool accidentally.
4. Store idle power tools out of the reach of
children and do not allow persons unfamiliar
with the power tool or these instructions
to operate the power tool. Power tools are
dangerous in the hands of untrained users.
5. Maintain power tools. Check for misalignment
or binding of moving parts, breakage of parts
and any other condition that may affect the
power tool’s operation. If damaged, have the
power tool repaired before use. Many accidents
are caused by poorly maintained power tools.
6. Keep cutting tools sharp and clean. Properly
maintained cutting tools with sharp cutting edges
are less likely to bind and are easier to control.
7. Use the power tool, accessories and tool bits
etc. in accordance with these instructions,
taking into account the working conditions
and the work to be performed. Use of the
power tool for operations different from those
intended could result in a hazardous situation.
Battery tool use and care
1. Recharge only with the charger specified by
the manufacturer. A charger that is suitable
for one type of battery pack may create a risk
of fire when used with another battery pack.
2. Use power tools only with specifically
designated battery packs. Use of any other
battery packs may create a risk of injury and fire.
3. When battery pack is not in use, keep it away
from other metal objects, like paper clips,
coins, keys, nails, screws or other small metal
objects, that can make a connection from
one terminal to another. Shorting the battery
terminals together may cause burns or a fire.
4. Under abusive conditions, liquid may be
ejected from the battery; avoid contact.
If contact accidentally occurs, flush with water.
If liquid contacts eyes, additionally seek
medical help. Liquid ejected from the
battery may cause irritation or burns.

Page 4 For technical questions, please call 1-888-866-5797. Item 64483
SAFETY OPERATION MAINTENANCESETUP
Service
Have your power tool serviced by a qualified repair person using only identical replacement parts.
This will ensure that the safety of the power tool is maintained.
Drain Cleaner Safety Warnings
1. Maintain labels and nameplates on the tool.
These carry important safety information.
If unreadable or missing, contact
Harbor Freight Tools for a replacement.
2. To reduce the risk of electrical shock, do not
put motor or battery in water or other liquid.
3. Do not wear cloth gloves or loose clothing, or use
a rag to grasp the cable to prevent entanglement.
4. Use appropriate personal protective equipment
while handling and using Drain Cleaner. Drains may
contain chemicals, bacteria and other substances
that may be toxic, infectious, cause burns or other
issues. Appropriate personal protective equipment
always includes ANSI-approved splash-resistant
safety glasses under face shield, NIOSH-approved
dust mask/respirator, and heavy-duty LEATHER
work gloves, and may include equipment such
as latex or rubber gloves under LEATHER work
gloves, protective clothing, and steel toed footwear.
5. Do not use in pipe containing
drain cleaning chemicals.
6. Do not use in pipe obstructed by roots.
7. Wash hands after use. Use hot, soapy water
to wash hands and other exposed body parts
exposed to drain contents after handling or using
Drain Cleaner. Do not eat or smoke while operating
or handling Drain Cleaner. This will help prevent
contamination with toxic or infectious material.
8. Have your Drain Cleaner serviced by a qualified
repair person using only identical replacement parts.
This will ensure that the safety of the
Drain Cleaner is maintained.
9. Do not put too much stress on Cable.
Quickly release tension if it starts to build
in the cable. Excess tension will cause
the Cable to twist, kink, or break.
10. Reverse Motor direction only when pulling the
Cable off an obstruction. Trying to push the
Cable down the pipe or pull it out of a pipe while
in reverse operation will unravel and break
the Cable. Wait for the Drum to stop turning
completely before changing the Rotation Switch.
11. Only use Drain Cleaner to clean drains of
recommended sizes according to these instructions.
Other uses or modifying the Drain Cleaner for
other applications may increase the risk of injury.
12. Wash hands after use. Use hot, soapy water
to wash hands and other exposed body parts
exposed to drain contents after handling or using
Drain Cleaner. Do not eat or smoke while operating
or handling Drain Cleaner. This will help prevent
contamination with toxic or infectious material.
13. Avoid unintentional starting.
Prepare to begin work before turning on the tool.
14. Do not lay the tool down until it has come to
a complete stop. Moving parts can grab the
surface and pull the tool out of your control.
15. When using a handheld power tool,
maintain a firm grip on the tool with both
hands to resist starting torque.
16. Do not leave the tool unattended when it is
plugged into an electrical outlet the Battery
Pack is connected. Turn off the tool, and
unplug it from its electrical outlet remove
the Battery Pack before leaving.
17. The battery Charger gets hot during use.
The Charger’s heat can build up to
unsafe levels and create a fire hazard if it
does not receive adequate ventilation,
due to an electrical fault, or if it is used in a
hot environment.
Do not place the Charger on a flammable surface.
Do not obstruct any vents on the Charger.
Especially avoid placing the Charger on carpets
and rugs; they are not only flammable, but they
also obstruct vents under the Charger.
Place the Charger on a stable, solid, nonflammable
surface (such as a stable metal workbench or
concrete floor) at least 1 foot away from all
flammable objects, such as drapes or walls. Keep a
fire extinguisher and a smoke detector in the area.
Frequently monitor the Charger and
Battery Pack while charging.
18. This product is not a toy.
Keep it out of reach of children.
19. People with pacemakers should consult their
physician(s) before use. Electromagnetic fields in
close proximity to heart pacemaker could cause
pacemaker interference or pacemaker failure.
In addition, people with pacemakers should:
• Avoid operating alone.
• Do not use with Trigger locked on.
• Properly maintain and inspect
to avoid electrical shock.

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SAFETYOPERATIONMAINTENANCE SETUP
20. The warnings, precautions, and instructions
discussed in this instruction manual cannot cover all
possible conditions and situations that may occur.
It must be understood by the operator that
common sense and caution are factors
which cannot be built into this product,
but must be supplied by the operator.
Lithium Battery Safety Warnings
LITHIUM BATTERIES STORE
A LARGE AMOUNT OF ENERGY AND
WILL VENT FIRE OR EXPLODE IF MISTREATED:
1. Keep Battery Pack dry.
2. DO NOT DO ANY OF THE FOLLOWING
TO THE BATTERY PACK:
a. Open,
b. Drop,
c. Short-circuit,
d. Puncture,
e. Incinerate, or
f. Expose to temperatures greater than 140°F.
3. Charge Battery Pack only according
to its Charger’s instructions.
4. Inspect Battery Pack before every use;
do not use or charge if damaged.
Vibration Safety
This tool vibrates during use.
Repeated or long-term exposure to vibration may
cause temporary or permanent physical injury,
particularly to the hands, arms and shoulders.
To reduce the risk of vibration-related injury:
1. Anyone using vibrating tools regularly or for
an extended period should first be examined
by a doctor and then have regular medical
check-ups to ensure medical problems are not
being caused or worsened from use. Pregnant
women or people who have impaired blood
circulation to the hand, past hand injuries,
nervous system disorders, diabetes, or
Raynaud’s Disease should not use this tool.
If you feel any symptoms related to vibration (such
as tingling, numbness, and white or blue fingers),
seek medical advice as soon as possible.
2. Do not smoke during use. Nicotine reduces
the blood supply to the hands and fingers,
increasing the risk of vibration-related injury.
3. Wear suitable gloves to reduce the
vibration effects on the user.
4. Use tools with the lowest vibration
when there is a choice.
5. Include vibration-free periods each day of work.
6. Grip tool as lightly as possible (while still keeping
safe control of it). Let the tool do the work.
7. To reduce vibration, maintain the tool as
explained in this manual. If any abnormal
vibration occurs, stop use immediately.
SAVE THESE INSTRUCTIONS.

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SAFETY OPERATION MAINTENANCESETUP
Grounding
TO PREVENT ELECTRIC SHOCK AND DEATH FROM INCORRECT GROUNDING:
Check with a qualified electrician if you are in doubt as to whether the outlet is properly
grounded. Do not modify the power cord plug provided with the charger. Do not use the charger
if the power cord or plug is damaged. If damaged, have it repaired by a service facility before
use. If the plug will not fit the outlet, have a proper outlet installed by a qualified electrician.
Extension Cords
Note: Extension cords must not be used with this item’s Charger.
Symbology
VVolts
AAmperes
n0xxxx/min. No Load Revolutions per Minute (RPM)
WARNING marking concerning Risk
of Eye Injury. Wear ANSI-approved
safety goggles with side shields.
Read the manual before
set-up and/or use.
WARNING marking
concerning Risk of Fire.
Do not cover Charger
ventilation ducts.
Charge on fireproof surface only.
WARNING marking concerning
Risk of Electric Shock.
Properly connect Charger’s power
cord to appropriate outlet.
WARNING marking concerning
Risk of Explosion.
Do not puncture, short, or open
battery packs and do not charge
damaged battery packs.

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SAFETYOPERATIONMAINTENANCE SETUP
Specifications
Battery Type 20V Bauer Li-Ion
Charger Type 20V Bauer Li-Ion
Cable Size Ø1/4" x 23' L
Drain Pipe Capacity 3/4" to 2"
Setup - Before Use:
Functions
Feed
Handle
Cable
Drum Drain Plug
(back of Drum)
Trigger
Rotation
Switch
Handle
Feed
Indicator
Work
Light

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SAFETY OPERATION MAINTENANCESETUP
Operating Instructions
Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this
manual including all text under subheadings therein before set up or use of this product.
Tool Set Up
TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION:
Make sure that the Trigger is in the off-position and remove the Battery
Pack before performing any procedure in this section.
TO PREVENT SERIOUS INJURY:
DO NOT OPERATE WITH ANY GUARD DISABLED, DAMAGED, OR REMOVED.
Wear ANSI-approved splash-resistant safety goggles, NIOSH-approved dust mask/respirator under
face shield, and heavy-duty LEATHER gloves, and other appropriate protective equipment when
setting up the Drain Cleaner. For extra protection from chemicals and bacteria on the appliance and
in the work area, wear latex, rubber or other liquid barrier gloves under the heavy-duty LEATHER
work gloves. Before use, inspect gloves to be sure they are free of defects or loose sections that could be
caught in the Drain Cleaner Cable. Rubber soled, non-slip shoes can help prevent slipping and
electric shock, especially on wet surfaces.
TO PREVENT SERIOUS INJURY FROM ELECTRIC SHOCK, TWISTED/BROKEN CABLES, CHEMICAL BURNS,
INFECTIONS AND OTHER CAUSES AND PREVENT DRAIN CLEANER DAMAGE:
Before each use, inspect Drain Cleaner and correct any problems.
1. Inspect the tool for broken, worn, missing,
misaligned or binding parts or any other condition
which may prevent safe and normal operation.
2. Check the Cable for wear and damage.
Replace Cable before use if any section:
a. is worn or flattened,
b. is kinked more than 15°,
c. has spaces between coils (often caused by
running motor in reverse or pulling on cable),
d. shows signs of corrosion.
3. Install the Drain Plug and make
sure it is properly tightened.
4. Make sure that switches and handles move
smoothly between positions and lock in place.
5. Check that all warning labels are present,
firmly attached and readable.
6. Before use, fully retract the Cable with
no more than 2″ of Cable outside of the
appliance. This will the keep the Cable from
“whipping” when the appliance is turned on.
7. Clean any oil, grease or dirt from all equipment
handles and controls. This helps prevent the
appliance or control from slipping during use.

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SAFETYOPERATIONMAINTENANCE SETUP
Work Area Set Up
1. Verify that work area has adequate
lighting for the job.
2. Make sure work area is free of flammable liquids,
vapors or dust that may ignite. Sparks can be
generated during Drain Cleaner operation.
Do not work in area until these sources of
ignition have been identified and corrected.
3. Do not use the appliance while standing in water.
If needed, remove the water from the work area.
4. Inspect the drain to be cleaned. If possible,
determine the best access point(s) to the drain, the
size(s) and length(s) of the drain, distance to tanks
or mainlines, the nature of the blockage, presence
of drain cleaning chemicals or other chemicals, etc.
5. If there are chemicals present in the drain, read
and adhere to the specific safety measures
required to work around those chemicals.
Contact the chemical manufacturer for required
safety instructions and information.
6. If necessary, remove fixture (toilet, sink, etc.) to
allow access to the drain. Do not feed the Cable
through a fixture. This could damage
the Drain Cleaner and the fixture.
7. If needed, place protective covers over
the work area floor. Cleaning the clogged
drain can be a messy operation.
8. To prevent Cable from whipping, place
Drain Cleaner within 6 inches of drain line.
The greater the distance from the drain line, the
higher the risk of the Cable twisting or kinking.
9. If needed, set up barriers to keep
bystanders away from the Drain Cleaner
and work area during operation.

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SAFETY OPERATION MAINTENANCESETUP
General Operating Instructions
1. Make sure that the Trigger is in the
off-position, then attach the Battery Pack.
2. To prevent Cable from whipping, place
Drain Cleaner within 6 inches of drain line.
This will keep Cable from hazardously
“whipping” when activating the Drain Cleaner.
3. Make sure Rotation Switch is in forward
position, with the arrow pointing
towards the Cable pressed in.
NOTICE: The backward position of the Rotation
Switch must ONLY be used momentarily to relieve
Cable tension.
If it is used for even just a few seconds in a row,
the Cable may be permanently damaged. LEAVE
FEED HANDLE IN NEUTRAL POSITION. While in the
backward position, the Cable movement from
the Feed Handle would be reversed as well.
4. With the Drain Cleaner off, pull the
Cable out of Drum with both gloved
hands and feed into the drain. Gradually
work the Cable at least 12" into the drain.
5. Squeeze Trigger and press Feed Handle forward
to continue feeding Cable into the drain.
6. As you feed Cable, you may feel and see
Cable slow down and/or start to wind or load up
(a “twisting” or “squirming” motion). This may
indicate a change in drain line (such as a drain trap,
elbow, etc.), a build up in the drain (mud or grease),
or the actual blockage. Continue to slowly feed
the Cable until the Cable reaches the blockage.
WARNING! Do not allow Cable to build up outside
drain. This can cause Cable to twist, kink or break.
7. If the Cable becomes lodged in a narrow part of
the drain or in a drain trap, allow the Cable to try
and work itself past the obstruction. If Cable still
won’t pass obstruction, release the Trigger and use
sharp downward thrusts to try and pass obstruction.
Once Cable is past, squeeze the Trigger and
press Feed Handle forward to continue feeding.
8. To retract Cable, keep Rotation Switch in forward
position and pull Feed Handle backwards.
9. To prevent accidents, turn off the tool, dry your
hands, and remove the Battery Pack after use.
Clean the Cable (see below), then store
the tool indoors out of children’s reach.
NOTICE
Rotation Switch controls rotation of drum only. DO NOT USE ROTATION SWITCH IN
BACKWARD (REVERSE) POSITION WHILE REMOVING CABLE FROM DRAIN/PIPE. Use reverse
direction only momentarily for relieving pressure or untangling cable from a blockage.
Warranty void if cable damaged from allowing motor to twist excessively against blockage,
or if drum is run in reverse long enough to untwist cable.

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SAFETYOPERATIONMAINTENANCE SETUP
Cleaning the Cable
1. Thoroughly flush Drain Cleaner Cable with
clean water after every use. Doing so will
help prevent the build-up of sediment and any
drain cleaning chemicals still in the cable.
2. Once Cable has been flushed, carefully
tip the Drain Cleaner forward to empty
out any remaining debris.
3. Rotate the Drum until the Drain Plug is visible.
4. Remove the Drain Plug and tilt the
Drain Cleaner backward to allow any
remaining fluid to drain out of the Drum.
5. Once the Cable is clean and dry,
pull the Cable from the Drum.
6. Lubricate with oily rag as you feed
Cable back into Drum.
WARNING! Do not pull a rotating cable.

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SAFETY OPERATION MAINTENANCESETUP
Maintenance and Servicing
Procedures not specifically explained in this manual must
be performed only by a qualified technician.
TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION:
Make sure that the Trigger is in the off-position and remove the Battery
Pack before performing any procedure in this section.
TO PREVENT SERIOUS INJURY FROM TOOL FAILURE:
Do not use damaged equipment. If abnormal noise or vibration
occurs, have the problem corrected before further use.
Cleaning, Maintenance, and Lubrication
1. BEFORE EACH USE, inspect the general
condition of the tool. Check for:
• leaking, swollen, or cracked battery pack,
• loose hardware,
• misalignment or binding of moving parts,
• cracked or broken parts, and
• any other condition that may
affect its safe operation.
2. AFTER USE, wipe external surfaces of
the tool with clean cloth. Store indoors
out of the reach of children.
3. Disconnect battery pack and store battery pack,
charger, and tool in dry, indoor area out of
reach of children and away from metal objects
(i.e., paperclips, coins) to prevent shorting.
Installing Replacement Cable
1. WARNING! Disconnect Battery Pack to prevent
accidental operation. Do not use the Motor to
extend or retract the Cable for replacement.
2. Manually pull old Cable (14) out of Drum (38) until
connection to Drum Cable (8) is accessible.
3. Remove Cable Screw (13) from Drum Cable.
Separate Cable from Drum Cable.
4. Connect new Cable to Drum Cable using
Cable Screw and feed Cable back into Drum
manually. Do not apply excessive force to Cable.

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SAFETYOPERATIONMAINTENANCE SETUP
Troubleshooting
Problem Possible Causes Likely Solutions
Motor shuts off
during use.
1. The motor may have been shut off
by its internal thermal protection
switch, or auto reset breaker.
2. GFCI breaker tripped.
1. Turn Rotation Switch to OFF. Allow motor to
cool off completely before restarting and stay
clear of cable when turning motor back on.
2. Make sure all electrical components are dry and
all insulation is in good repair. Press reset button.
If GFCI trips again, have appliance serviced
by qualified electrician before further use.
Cable kinks, twists,
or breaks.
1. Too much force on the cable.
2. Too much space between
Drain Cleaner and drainpipe inlet.
3. Cable used is wrong size
for drain pipe.
4. Cable exposed to acid.
5. Cable worn out.
1. Do not force cable. Let Drain Cleaner do the work.
2. Move Drain Cleaner to within
6 inches of drainpipe inlet.
3. Change cable size.
4. Clean and oil cable after each use.
5. Replace cable.
Cable tangles
in drum.
1. Too much force on the cable.
2. Motor running in reverse.
3. Automatic feed mechanism frozen.
1. Do not force cable. Let Drain Cleaner do the work.
2. Retract Cable with the Rotation
Switch in the forward position.
3. Technician should lubricate the automatic
feed mechanism bearings.
Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect Battery Pack and Charger power supply before service.
PLEASE READ THE FOLLOWING CAREFULLY
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM
IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER OR DISTRIBUTOR
MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS
QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT, OR THAT HE OR SHE IS QUALIFIED TO REPLACE
ANY PARTS OF THE PRODUCT. IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY
STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND
LICENSED TECHNICIANS, AND NOT BY THE BUYER. THE BUYER ASSUMES ALL RISK AND LIABILITY
ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS
THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.