
OWNER’S MANUAL
Maintenance & Assembly Instructions
IMPORTANT: KEEP THIS MANUAL FOR FUTURE REFERENCE
NOTICE
It is the Purchaser’s/Owner’s obligation:
1. To disclose and post all Rules & Regulations, Danger, Warning and Caution
labels a xed on the machine to their customers/users.
2. Equipment to be installed by Tu Stu Authorized Dealer or a service
company approved by Tu Stu .
3. Provide trained personnel, supervision and correct usage of the equipment.
4. Provide scheduled inspection, maintenance & repairs and must be performed
by Tu Stu Authorized Dealer or a service company approved by Tu Stu .
5. Must use only genuine Tu Stu replacement parts.
6. Machine must be anchored to a solid and level surface.
BY TUFFSTUFF FITNESS
CG-7510
Abdominal/Back
CG-7510_Rev0
Revision Date 10-25-2012

Table of Contents
BY TUFFSTUFF FITNESS
OVERHEAD SPECIFICATIONS .........................................................................Page 3
DANGER, WARNING, & CAUTION LABELS INFORMATION ...............Page 4-7
ANCHORING UNIT .............................................................................................Page 8
IMPORTANT SAFETY INSTRUCTIONS ..........................................................Page 9
REGISTRATION, SERVICE & ASSEMBLY ..................................................... Page 10
INSPECTION/MAINTENANCE ...................................................................... Page 11
CABLE INSPECTION ........................................................................................ Page 12
STEP 1 ................................................................................................................. Page 13
STEP 2 ................................................................................................................. Page 14
STEP 3 ................................................................................................................. Page 15
STEP 4 ................................................................................................................. Page 16
STEP 5 ................................................................................................................. Page 17
STEP 6 CABLE ROUTING .........................................................................Page 18-19
STEP 7 ................................................................................................................. Page 20
STEP 8 ................................................................................................................. Page 21
STEP 9 ................................................................................................................. Page 22
BASIC EXERCISE GUIDE ................................................................................. Page 23
PARTS LIST ......................................................................................................... Page 24
EXPLODED VIEW ............................................................................................. Page 25
NOTES ................................................................................................................. Page 26
EXTRA COPY (INSPECTION/MAINTENANCE) ......................................... Page 27
WARRANTY ....................................................................................................... Page 28
Tu Stu Fitness Equipment Inc. continually engages in research related to product improvements. Please take the time to carefully read through this manual thoroughly. Instructions contained in
this manual are not intended to cover all details or variations possible with CALGYM equipment, or to cover every contingency that may be met in conjunction with assembly, installation, operation,
maintenance or troubleshooting of the equipment. Eventhough we have prepared this manual with extreme care, neither the manufacturer nor the author can accept responsibility for any errors in,
or omission from, the information given. Should additional information be required, or should situations arise that are not covered by this manual, the matter should be directed to Customer Service
at Tu Stu Fitness Equipment Inc. in Chino, California.
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CG-7510 Abdominal/Back

Carefully read ALL Danger, Warning & Caution labels posted on the machine
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CG-7510 Abdominal/Back

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Carefully read ALL Danger, Warning & Caution labels posted on the machine
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Carefully read ALL Danger, Warning & Caution labels posted on the machine
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BE ALERT!
THE FITNESS EQUIPMENT IN THIS
FACILITY PRESENTS HAZARDS
WHICH, IF NOT AVOIDED, COULD
CAUSE SERIOUS INJURY OR DEATH.
Prior to using the equipment, READ the
warning labels and instruction placards
affixed to each machine.
If you are unsure on how to use a machine,
seek the assistance of our floor personnel.
We will be happy to instruct you on how to
use the equipment properly.
Immediately report any piece of equipment
that is not functioning properly to our floor
personnel so that it may be evaluated and
service promptly.
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It is extremely important that the Facility Sign shown to the left
be installed in plain view of the unit.
You should have received it along with this Owners Manual. If
you did not receive this Facility Sign with your order, you can
obtain one at no cost to you from Tu Stu Fitness by contacting
our service department at:
1 (888) 884-8275
service@tu stu .net
service1@tu stu .net
DO NOT ATTEMPT to use or fix any piece of
equipment that is not functioning properly.
TUFFSTUFF FITNESS EQUIPMENT INC. CHINO, CA 91710ASTM F1749-96
CG-7510 Abdominal/Back
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ANCHORING UNIT
BY TUFFSTUFF FITNESS
Holes on shoe plates are provided for anchoring the unit to the oor. (See anchoring hole locations below)
8
7/16” DIAMETER
HOLE
CG-7510 Abdominal/Back

Important Safety Instructions
BY TUFFSTUFF FITNESS
It is the responsibility of the facility owner and/or owner of the equipment to review the Owner’s Manual with their facility personnel and
understand all Danger, Warning and Caution labels a xed on the machine. It is the responsibility of the oor personnel to instruct users
on proper operation of the equipment and review all danger, warning and caution labels.
SERIOUS INJURY OR DEATH CAN OCCUR
IF THESE SAFETY PRECAUTIONS ARE NOT OBSERVED:
1. Obtain a medical exam before beginning any exercise program.
2. Read and understand Owner’s Manual and all Danger, Warning
and Caution labels before using this equipment. If you still need
help, seek assistance from oor personnel.
3. Inspect the equipment before each use for wear and tear, loose
ttings, worn or frayed cables and frame welds. DO NOT USE if it
appears to be inoperable or damaged.
4. Stop exercising if you feel faint or dizzy. Consult a physician if you
are experiencing pain.
5. Use this equipment only for the intended use and for
exercise(s) shown on page 23.
6. Keep body, clothing and hair clear from all moving parts. Do not
attempt to free any jammed parts by yourself.
7. Always warm-up before and cool-down after weight training.
Warm-up for 10-15 minutes with stretching and cardiovascular
exercises. Cool-down should include light stretching exercises for
5-15 minutes.
8. Never hold your breath – will limit the ow of oxygen to your brain
and may cause dizziness. The most often used breathing pattern is
inhaling during least resistance and exhaling during maximum
resistance.
9. Do not use accessories or accessory attachments that are not
recommended by Tu Stu .
10. Make sure selector pin is completely inserted. Use only the selector
pin provided by the manufacturer.
11. Never pin the weights in an elevated position. Do not use the
machine if found in this condition.
5. Provide an adequate safety perimeter between the machine,
walls and other equipment to ensure that the facility has proper
clearance for usage and training.
6. Post and disclose all safety, rules and regulations on a bulletin
board easily accessible to users.
7. Perform regular maintenance (see Inspection Label). Pay special
attention to areas most susceptible to wear and tear, including but
not limited to cables, pulleys and rubber grips.
8. Do not lean against or pull on the framework, weight stack or
any component at all times.
9. Children must not be allowed near the equipment. Teenager must
be supervised.
10. Replace immediately all parts at rst sign of wear or damage. If
unable to replace worn or damaged components/parts, remove
machine from service until the repair is made.
11. Use only genuine Tu Stu replacement parts. Failure to do so will
void warranty and could result in serious injury or death to the users.
12. Do not remove any decals a xed to the machine. Replace if
damaged.
13. Do not alter or modify the original manufacturer’s 200 lbs. weight
stack with any add-on incremental weights, weight plates or
dumbbells except those with standard factory installed option.
14. Maintain a service contract with a Tu Stu Authorized Dealer or a
Professional Service Company approved by Tu Stu . Keep a service
log of all maintenance and repair activities. NOTICE: It is the sole
responsiblity of the owner or facility operator to ensure that regular
maintenance is performed.
Facility Safety Guidelines and Practices
1. Read and understand the Owner’s Manual before assembling,
servicing or using the equipment.
2. Equipment to be installed by Tu Stu Authorized Dealer or
Professional Service Company approved by Tu Stu .
3. Make sure each machine is set up and operated on a solid level
surface. Do not install equipment on an uneven surface.
4. Anchoring of equipment must be completed at time of
installation and inspected prior to use. Failure to anchor the
machine to the oor could cause the machine to tip or fall over
due to incorrect usage and misuse, and could result in serious
injury or death.
CG-7510 Abdominal/Back
DANGER: indicates an imminently hazardous situation which, if not
avoided, will result in death or serious injury.
WARNING: indicates a potentially hazardous situation which, if not
avoided, will result in death or serious injury.
CAUTION: indicates a hazardous situation which, if not avoided, could
result in minor or moderate injury.
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