OWNERS MANUAL
Versa Single-Station Strength
VS-S52 Back Extension
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Table Of Contents
Safety, General Care & Maintenence ................................................ 3
Getting Started (Product Specifications) ......................................... 5
Assembly Information .........................................................................6
Markings ................................................................................................ 7
Parts List ............................................................................................... 8
Installation & Assembly: Value Line
Part 1 Weight Stack & User Frame Assembly ........................... 9
Part 2 CAM Assembly ................................................................... 12
Part 3 Cable Assembly .................................................................. 13
Part 4 Exercise Arm Assembly ................................................... 14
Part 5 Pad Assembly ..................................................................... 15
Part 6 Plastics Assembly ............................................................. 18
Installation & Assembly: Optional Kits
Part 7 Premium Kit Assembly ......................................................21
Part 8 Short User Kit .................................................................... 28
IMPORTANT SAFETY INSTRUCTIONS
IMPORTANT SAFETY INFORMATION
It is the sole responsibility of the purchaser of Matrix products to instruct all individuals, whether they are the end user or
supervising personnel on proper usage of the equipment.
It is recommended that all users of Matrix exercise equipment be informed of the following information prior to its use.
PROPER USAGE
Do not use any equipment in any way other than designed or intended by the manufacturer. It is imperative that Matrix
equipment be used properly to avoid injury.
Keep hands and feet clear at all times from moving parts to avoid injury.
CHECK FOR DAMAGED PARTS
1. DO NOT use any equipment that is damaged and or has worn or broken parts. Use only replacement parts supplied by
your country’s local Matrix dealer.
2. MAINTAIN LABELS AND NAMEPLATES: Do not remove labels for any reason. They contain important information.
If unreadable or missing, contact your Matrix dealer for a replacement.
3. SECURING EQUIPMENT: All equipment MUST be secured to the floor to stabilize and eliminate rocking or tipping over.
This must be performed by a licensed contractor.
4. MAINTAIN ALL EQUIPMENT: Preventative maintenance is the key to smooth operating equipment as well as keeping your
liability to a minimum. Equipment needs to be inspected at regular intervals.
5. Ensure that any person(s) making adjustments or performing maintenance or repair of any kind is qualified to do so.
Matrix dealers will provide service and maintenance training at our corporate facility upon request.
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GETTING STARTED
TECH SPECS
Overall dimensions 45”L X 50”W X 66”H
Weight
Light Stack = 500 lbs (227 kg), Heavy Stack = 570 lbs (259
kg)
Shipping weight 340 lbs (155 kg)
WARRANTY (Valid in USA only)
Frame (not coatings) 10 years
Structural parts 10 years
Weight stacks 5 years
Pulleys 5 years
Pivot bearings 5 years
Any items not specified 3 years
Labor (excluding upholstery/cables/grips) 3 years
Upholstery/cables/grips/springs 1 year
ACTION FREQUENCY
Clean Upholstery Daily
Inspect Cables Daily
Clean Guide Rods Monthly
Inspect Hardware Monthly
Inspect Frame Bi-Annually
Clean Machine As Needed
Clean Grips As Needed
Lubricate Guide Rods As Needed
Upholstery & Grips should be cleaned with a non-ammonia based cleaner (like Simple Green) or a mild soap and water.
Guide rods should be lubricated with Teflon based lubricant. Apply the lubricant to a cotton cloth and then apply up and
down the guide rods.
MAINTENANCE CHECKLIST
EXERCISE PLACARD | PRODUCT SPECIFICATIONS | MAINTENANCE CHECKLIST
EXERCISE PLACARD
PRODUCT SPECIFICATIONS
IMPORTANT SAFETY INSTRUCTIONS
WARNING: This product contains chemicals known to the State of
California to cause cancer and birth defects or other reproductive harm.
WARNING: SERIOUS INJURY CAN OCCUR ON THIS EQUIPMENT. FOLLOW
THESE PRECAUTIONS TO AVOID INJURY!
1. Never allow children on strength training equipment. Teenagers must be supervised at all times while using this
equipment.
2. All warnings and instructions should be read and proper instruction obtained prior to use.
3. Use this equipment for its intended purposes only.
4. NEVER allow resistance straps, ropes or other means be attached to this equipment, as this may result in serious
injury.
5. NEVER use this equipment for support during stretching, as this may result in serious injury.
6. Cease exercise if you feel faint or dizzy. Obtain a medical exam before beginning an exercise program.
7. Keep body, hair, clothing and accessories free and clear of all moving parts.
8. Inspect the machine before use. DO NOT use machine if it appears damaged or inoperable.
9. Check to see that the selector pin is completely inserted into the weight stack.
10. NEVER use this machine with the weight stack pinned in an elevated position.
11. NEVER use dumbells or other means to incrementally increase the weight resistance. Only use the means provided
directly from the manufacturer.
12. This equipment should only be used in supervised areas where access and control are regulated by the owner.
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ASSEMBLY
UNPACKING | TOOLS REQUIRED
UNPACKING
Thank you for purchasing a Matrix product. This machine is an EN957-1 and EN957-2 compliant Class S product. Your Matrix product is inspected before it is packaged. It is shipped in multiple pieces to facilitate the compact packaging of the
machine. Prior to assembly, confirm all the components by matching them with the exploded diagrams. Carefully unpack
the unit from this box and dispose of the packing materials in accordance with your local laws.
CAUTION
The weight of the product is 340 lbs. (155 kg) not including the weight stack. The standard weight stack for this machine is
160 lbs. (73 kg) & the heavy stack is 230 lbs. (105 kg). To avoid injury to yourself and prevent damage to the frame components, be sure to have proper assistance removing the frame pieces from this box. Please be sure to install the equipment
on a stable base, properly level the machine and leave at least two feet of clearance to enter and exit the machine. Maximum user weight for this machine is 300 lbs.
TOOLS REQUIRED FOR ASSEMBLY
3MM L-Shaped Allen Wrench
4MM L-Shaped Allen Wrench
5MM L-Shaped Allen Wrench
6MM L-Shaped Allen Wrench
8MM L-Shaped Allen Wrench
10MM L-Shaped Allen Wrench
Phillips & Standard Screwdrivers
8MM Open-End Wrench
13MM Open-End Wrench
17MM Open-End Wrench.
19MM Open-End Wrench
Adjustable Wrench
Blue Locktite 242 must be used on all fasteners that are not assembled with Nylock Nuts
MARKINGS
WARNING LABEL LOCATIONS
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Parts List
ID
DESCRIPTION
QTY
1 M10 X 125L Socket Head Cap Screw 4
2 M10 Flat Washer 22
3 Wide Cupped Flange 2
4 User Frame 1
5 M10 Nylock Nut 4
6 Upper Connecting Tube 1
7 Lower Connecting Tube 1
8 M10 X 20L Socket Head Cap Screw 19
9 Weight Stack 1
10 Rear Stack Support 1
11 M10 Flat Washer (Small Diameter) 4
12 M8 X 20L Socket Head Cap Screw 4
13 M8 Flat Washer 4
14 M10 X 15L Socket Head Cap Screw 1
15 M10 Large Flat Washer (Ø38 mm) 2
16 Key (8 x 10mm) 1
17 CAM 1
18 Large Flat Washer (Ø45 mm OD X Ø30mm ID) 2
19 Wave (Spring) Washer 2
20 Axle/ROM Assembly 1
21 Orange Pivot Indicator 1
22 Exercise Arm 1
23 Counter Weight 1
24 End Cap 1
25 M8 X 15L Socket Head Cap Screw 1
26 Large M8 Flat Washer (Ø60 mm) 1
27 Back Roller Pad 1
ID
DESCRIPTION
QTY
28 Bottom Pad 1
29 Lumbar Pad 1
30 Front Shroud 1
31 Rear Shroud 1
32 M8 X 25L Socket Head Cap Screw 4
33 Large M8 Flat Washer (Ø20 mm) 4
34 Top Cap 1
35 Top Cap Cover 2
PREMIUM KIT COMPONENTS
1P Wing 1
2P Rep Counter 1
3P Towel Hook 1
4P ASG Pull Grip 2
5P Premium Pullpin 1
OPTIONAL SHORT USER KIT
1SK Foot Rest 1
2SK M10 Nylock Nut 2
3SK Support Plate 1
4SK M10 Flat Washer 4
5SK M10 X 70L Socket Head Cap Screw 1
6SK M10 X 75L Socket Head Cap Screw 1
Parts List
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2
865
9
7
3
1
4
PART 1: STACK & USER FRAME ASSEMBLY
STEP 1 | WEIGHT STACK TO USER FRAME INSTRUCTIONS & NOTES
ID DESCRIPTION QUANTITY
1 M10 X 125L SHC 4
2 M10 Flat Washer 14
3 Wide Cupped Flange 2
4 User Frame 1
5 M10 Nylock Nut 4
6 Upper Connecting Tube 1
7 Lower Connecting Tube 1
8 M10 X 20L SHC 6
9 Weight Stack 1
Install the user frame hardware as shown, but DO NOT FULLY TIGHTEN .
ASSEMBLY
PART 1: STACK & USER FRAME ASSEMBLY
STEP 2 | WEIGHT STACK TO USER FRAME ASSEMBLY INSTRUCTIONS & NOTES
ID DESCRIPTION QUANTITY
8 M10 X 20L SHC 4
10 Rear Stack Support 1
11 M10 Flat Washer (Small Dia.) 4
12 M8 X 20L SHC 2
13 M8 Flat Washer 2
ASSEMBLY
13
12
11
10
8
Install the user frame hardware as shown.
Torque all M10 Frame Hardware on pages 10 & 11 to: 77 N-m/57 ft/lbs.
Torque M8 hardware to: 39 N-m/29 ft-lbs.
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