04
AIR250 LOWER BACK OPERATION MANUAL
It is the sole responsibility of the purchaser of Keiser Corporation
equipment to instruct all individuals, whether they are the end-
user or supervising personnel, on proper usage of the equipment.
Keiser Corporation recommends that all users of its equipment
be informed of the following information before use.
1. Read these instructions.
2. Heed all warnings.
3. Follow these instructions.
4. Consult your physician before beginning any exercise
program.
5. The Air250 Lower Back is intended for use in training areas
of organizations where access and control are specically
regulated by a person responsible for determining the
suitability of use and maintenance.
6. Maximum user weight limit: 441 lbs (200 kg).
7. Use the Air250 Lower Back indoor in a climate-controlled
environment only. Keep away from areas of extreme
humidity.
8. The use of this Air250 Lower Back for any purpose not
explicitly specied by the manufacturer in this manual is
prohibited.
9. Wear proper exercise clothing and shoes for exercise. Avoid
wearing loose clothing that might catch on any moving parts.
Tie long hair back and up away from any moving parts.
10. The Air250 Lower Back is not a toy. Children shall not play
with the Air250 Lower Back. Children under 14 years old
should not use the Air250 Lower Back. Keep children and
pets clear from the Air250 Lower Back at all times, especially
while in use. Cleaning and user maintenance shall not be
performed by children.
11. The Air250 Lower Back can be used by children age 14
years and above. Persons with mental disabilities, reduced
physical, mental, or sensory capabilities, or lack of experience
or knowledge should not use the Air250 Lower Back without
constant supervision by a spotter/supervisor.
12. Proper warm-up required to help prevent injury. This Air250
Lower Back should only be used with proper instructions.
Always maintain good form and control during exercise.
If you feel pain or are unable to maintain good form, stop
immediately. Failure to follow these instructions could result
in injury.
13. Always maintain control of the Exercise Arm during exercise.
Use extreme caution in the selection of resistance and when
increasing resistance during exercise. Bring the Exercise
Arm to the start position in a controlled manner to safely
end exercise. If at any time you are not able to control
the amount of resistance during exercise, push the left
(“-”)Thumb Button to reduce the resistance.
IMPORTANT SAFETY INFORMATION
14. Never perform Power Test without a proper warm-up. This
high resistance/high-speed test should only be performed
with proper instructions (see page 14 “Power Test” for
complete instruction). Always maintain good form and
control during the test. If you feel pain or are unable to
maintain good form, stop immediately. Failure to follow
these instructions could result in injury.
15. The highest level of safety can only be ensured if the
equipment is regularly inspected for damage and wear.
Always check the equipment before use for proper function
and any damaged, worn, or broken parts. Immediately
replace damaged, worn, or broken parts. Do not use the
Air250 Lower Back until all repairs have been completed
and tested by a Keiser-certied technician.
16. Use only replacement parts supplied/recommended
by Keiser Corporation. Attempting to repair or replace
any damaged, worn, or broken parts on your own is not
recommended. A Keiser-certied technician should be
consulted.
17. The use of any exercise equipment, including, without
limitation, Keiser’s strength training equipment in which
resistance can be changed at any time during the repetition,
without proper instruction and supervision violates the
terms of the agreement for the purchase of such products.
The ability to add resistance anytime during a repetition,
including, without limitation, the ability to do a heavy
negative may be dangerous, especially for anyone that
does not recognize or respect the potential danger.
18. Users, agents, and/or anyone directing the use of the
Air250 Lower Back shall determine the suitability of the
Air250 Lower Back for its intended use, and said parties
are specically put on notice that they shall assume all risk
and liability in connection herewith.
19. If you do not understand these instructions or have doubts
about the safety of the installation, assembly, or use of this
product, contact Keiser Customer Support:
1 559 256 8000
service@keiser.com
keiser.com/support
Telephone and Live Chat
Monday—Friday 9 am to 5 pm PST
