Smooth Fitness SX4 User Manual
OWNER’S MANUAL
SX4 MOTORIZED TREADMILL
USER WEIGHT LIMITATION: 250lbs (110 kgs)
SERIAL NUMBER (found on frame):
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SX4 MOTORIZED TREADMILL
PRECAUTIONS
For future service or related questions:
Please staple your receipt and/or write in the name and phone number of the retail store where you purchased your treadmill.
Name: ______________________________ Phone Number: ___________________ Receipt: ______________________
Precautions:
WARNING: To reduce the risk of burns, fire, electric shock, or injury to persons, read the following important precautions and
information before operating the treadmill. It is the responsibility of the owner to ensure that all users of this treadmill are
adequately informed of all warnings and precautions.
• Use the treadmill only as described in this manual.
• Place on a level surface, with 6 feet (2 m) of clearance behind it. Do not place the treadmill on any surface that blocks
air openings. To protect the floor or carpet from damage, place a mat under the treadmill.
• When choosing a location for the treadmill make sure that the location and position permit access to a plug.
• Keep the treadmill indoors, away from moisture and dust. Do not put the treadmill in a garage or covered patio, or
near water.
• Do not operate the treadmill where aerosol products are used or where oxygen is being administered.
• Keep children under the age of 12 and pets away from the treadmill at all times.
• The treadmill should not be used by persons weighing more than 250lbs (110 kgs)
• Never allow more than one person on the treadmill at a time. Wear appropriate exercise clothing when using the
treadmill. Do not wear loose clothing that could become caught in the treadmill. Athletic support clothes are
recommended for both men and women. Always wear athletic shoes. Never use the treadmill with bare feet, wearing
only stockings, or in sandals.
• When connecting the power cord, plug the power cord into a grounded circuit. No other appliance should be on the
same circuit.
• Always straddle the belt and allow it to start moving before stepping onto the belt.
• Always examine your treadmill before using to ensure all parts are in working order.
• Allow the belt to fully stop before dismounting.
• Never insert any object or body parts into any opening.
• Follow the safety information in regards to plugging in your treadmill.
• Keep the power cord away from the incline wheels and do not run the power cord underneath your treadmill. Do not
operate the treadmill with a damaged or frayed power cord.
• Always unplug the treadmill before cleaning and/or servicing. Service to your treadmill should only be performed by
an authorized service representative, unless authorized and/or instructed by the manufacturer. Failure to follow these
instructions will void the treadmill warranty.
• Never leave the treadmill unattended while it is running.
• The equipment is for Class B (Home Use).
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SX4 MOTORIZED TREADMILL
POWER REQUIREMENTS
Power Requirements:
IMPROPER CONNECTION OF THE EQUIPMENT GROUNDING CONNECTOR CAN RESULT IN A RISK OF AN
ELECTRIC SHOCK. CHECK WITH A QUALIFIED ELECTRICIAN OR SERVICE MAN IF YOU ARE IN DOUBT AS
TO WHETHER THE PRODUCT IS PROPERLY GROUNDED. DO NOT MODIFY THE PLUG PROVIDED WITH
THE PRODUCT, IF IT WILL NOT FIT THE OUTLET; HAVE A PROPER OUTLET INSTALLED BY A QUALIFIED
ELECTRICIAN.
This treadmill can be seriously damaged by sudden voltage changes in your home’s electrical power. Voltage
spikes, surges and noise interference can result from weather conditions or from other appliances being turned on
or off. To reduce the possibility of treadmill damage, always use a surge protector (not included) with your
treadmill.
Surge protectors can be purchased at most hardware stores. The manufacturer recommends a single outlet
surge protector with a UL 1449 rating as a Transient Voltage Surge Suppressor (TVSS) with a UL suppressed
voltage rating of 400V or less and an electrical rating 110VAC, 15 amps.
This treadmill must be grounded to reduce the risk of electrical shock. Grounding provides a path of least
resistance for electric current, should the treadmill malfunction. This treadmill comes with an electrical cord having
an equipment-grounding conductor and a grounding plug. Always plug the power cord into a surge protector, and
plug the surge protector into an appropriate outlet that is properly installed and grounded in accordance with all
local codes and ordinances.
This product is for use on a nominal 110-volt circuit, and has a grounding plug that looks like the plug illustrated in
the drawing below. GFCI outlets and GFCI Circuit Breakers are NOT recommended for use on this product. GFCI
outlets and GFCI Circuit Breakers may cause this equipment to function improperly.
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SX4 MOTORIZED TREADMILL
Before you begin
Open the boxes:
Open the boxes of your new equipment. Inventory all parts included in the boxes. And Compare them to the
supplied components and supplied Hardware lists on page 5 for a full count of the parts included . If you are
missing any parts or have any assembly questions contact us directly at 1-888-800-1167 .
Assembly instructions begin on page 12 .
Gather your tools:
Before starting the assembly of your unit, make sure that you have gathered all the necessary tools you may
require to assemble the unit properly. Having all of the necessary equipment at hand will save time and make the
assembly quick and hassle-free.
Clear your work area:
Make sure that you have cleared away a large enough space to properly assemble the unit. Make sure the space
is free from anything that may cause injury during assembly. After the unit is fully assembled, make sure there is
a comfortable amount of free area around the unit for unobstructed operation.
Invite a friend:
Some of the assembly steps may require heavy lifting. It is recommended that you obtain the assistance of
another person when assembling this product.
User Weight Limitation:
Please note that there is a weight limitation for this product. If you weigh more than 250Lb (Approx. 100Kg). it
is not recommended that you use this product. Serious injury may occur if the user’s weight exceeds the
limit shown here. This product is not intended to support users whose weight exceeds this limit.
Care and maintenance:
1. The safety level can be maintained only if it is examined for damage and wear.
2. Replace any defective components immediately and stop all use of equipment until repaired.
3. Always take care when you mounting the equipment. Straddle the equipment by placing your feet on the
straddle rails. Dismount from the equipment only after all parts have stopped.
4. Always check the easily wear components like pulley etc….to prevent danger.
5. There is an emergency stop, in the form of a SAFETY KEY, to prevent injury, you can stop the treadmill
immediately by actuated the emergency stop for emergency dismount.
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SX4 MOTORIZED TREADMILL
Supplied Hardware
This list identifies the hardware you will use to assemble the product. To help distinguish between the various
t
ypes of screws and bolts, use the scale below to measure them and compare them to the sizes listed.
No. Description Qty.
301 Fold Up Foot Cover 2
302 Fold Up Foot 2
610 M8×130 Screw 2
105 Safety Key 1
A 6mm Allen Wrench 1
B 5mm Allen Wrench 1
C Power Cord 1
MILLIMETERS
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SX4 MOTORIZED TREADMILL
Part List
No. Part name Qty Order No. No. Part name Qty Order No.
101 Button Cover 1 SX4 -101 412 Switch 1 SX4 -412
102 Computer 1 SX4 -102 413 Switch Board Holder 1 SX4 -413
103 Console Housing -Lower 1 SX4 -103 414 Electric Outlet 1 SX4 -414
104 Safety Key Base 1 SX4 -104 415 Electric Outlet holder 1 SX4 -415
105 Safety Key 1 SX4 -105 416 Electric Protector 1 SX4 -416
106 Console Housing Holder-Upper 1 SX4 -106 417 PU Cushion 1 SX4 -417
107 Console Housing Holder-Lower 1 SX4 -107 418 Motor Cover -Lower 1 SX4 -418
108 Console Fix Lower Cover 1 SX4 -108 419 Transport Wheel Bracket 1 SX4 -419
109 Pulse Sensor Wire-Upper 2 SX4 -109 420 Main Frame Foot Cover 2 SX4 -420
110 Overlay 1 SX4 -110 421 Control Board 1 SX4 -421
201 Fold Up Grip 1 SX4 -201 501 Side Rail 2 SX4 -501
202 Upright -Left 1 SX4 -202 502 Rear End Cap -Left 1 SX4 -502
203 Upright -Right 1 SX4 -203 503 Rear End Cap -Right 1 SX4 -503
204 Heart Rate Handle Bar 1 SX4 -204 504 Running Belt 1 SX4 -504
205 Pulse Sensor Set 2 SX4 -205 505 Running Deck 1 SX4 -505
206 Console Support Tube Bushing 2 SX4 -206 506 Side Rail Guider 8 SX4 -506
207 Handlebar Cover Right -Inner 1 SX4 -207 601 M4x14 mm Screw 22 SX4 -601
208 Handlebar Cover Right -Outside 1 SX4 -208 602 M3x10 mm Screw 6 SX4 -602
209 Handlebar Cover Left -Inner 1 SX4 -209 603 M5X14 mm Screw 2 SX4 -603
210 Handlebar Cover Left -Outside 1 SX4 -210 604 M4X10 mm Screw 8 SX4 -604
213 Upright Lower Cover 2 SX4 -213 605 M5 Nut 4 SX4 -605
214 Side Cover 2 SX4 -214 606 M8×18 mm Allen Bolt 2 SX4 -606
215 Fold Up Grip Connect Rod 2 SX4 -215 607 M4×40 mm Screw 2 SX4 -607
216 Spring 2 SX4 -216 608 M8×52 mm Bolt 4 SX4 -608
217 Upright Lock Pin 2 SX4 -217 609 Φ10 Washer 5 SX4 -609
218 Fold Up Grip Connector 2 SX4 -218 610 M8×130 Screw 2 SX4 -610
219 Safety Key Wire -Lower 1 SX4 -219 611 M6×45 mm Screw 3 SX4 -611
220 5 Pin Computer Wire -Lower 1 SX4 -220 612 Φ6 Washer 3 SX4 -612
301 Fold Up Foot Cover 2 SX4 -301 613 M12x25 mm Cap Allen Head Bolt 2 SX4 -613
302 Fold Up Foot 2 SX4 -302 614 M6×14 Screw 4 SX4 -614
303 Front Foot Base 2 SX4 -303 615 M6 Washer 4 SX4 -615
304 Main Frame 1 SX4 -304 616 M4X35 Screw 2 SX4 -616
305 Rear Transport Wheel 1 SX4 -305 617 Φ26 Washer 2 SX4 -617
306 Rear Transport Axle Cap 2 SX4 -306 618 M8 Nut 5 SX4 -618
307 Transportation Wheel 4 SX4 -307 619 M8X85 Bolt 1 SX4 -619
308 Belt Cover- Bottom 1 SX4 -308 620 M8X48 Bolt 1 SX4 -620
309 Rear Roller Tube 1 SX4 -309 621 M10 Nut 1 SX4 -621
310 Rear Roller Shaft 1 SX4 -310 622 M10X116 mm Screw 1 SX4 -622
311 Front Roller Tube 1 SX4 -311 623 Φ8 Plate Washer 10 SX4 -623
312 Front Roller Shaft 1 SX4 -312 624 Φ8 Spring 2 SX4 -624
401 Motor Hood 1 SX4 -401 625 M8×12 Allen Head Bolt 2 SX4 -625
402 DC Driving Motor 1 SX4 -402 626 M8 Bump Bolt 2 SX4 -626
403 Driving Belt 1 SX4 -403 627 4×19 Screw 18 SX4 -627
404 Motor Holder 1 SX4 -404 628 M8 Special Bolt 1 SX4 -628
405 Motor Holder Bracket End Cap -Upper 2 SX4 -405 629 Φ8 Washer 2 SX4 -629
406 Motor Holder Bracket End Cap -Lower 2 SX4 -406 630 M10×25 Allen Head Bolt 2 SX4 -630
407 Front Foot Bracket 1 SX4 -407 631 M8×30 Allen Head Bolt 4 SX4 -631
408 Motor holder bracket locate frame 1 SX4 -408 632 Plastic Insert 14 SX4 -632
409 Motor Holder Bracket Base -Left 1 SX4 -409
410 Motor Holder Bracket Base -Right 1 SX4 -410
411 Switch Board 1 SX4 -411
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SX4 MOTORIZED TREADMILL
PARTS DIAGRAM
MOST OF THE PARTS SHOW HERE HAVE BEEN PRE-ASSEMBLED.
110
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8
SX4 MOTORIZED TREADMILL
PARTS DIAGRAM
MOST OF THE PARTS SHOW HERE HAVE BEEN PRE-ASSEMBLED.
214
601
213
608
632
210
632
202
209
604
206
606
218
205
607
623
219
605
215
204
216
609
217
220
623
603
607
201
205
606
206
605
207
604
632
203
218
632
208
608
213
601
214
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9
SX4 MOTORIZED TREADMILL
PARTS DIAGRAM
MOST OF THE PARTS SHOW HERE HAVE BEEN PRE-ASSEMBLED.
401
616
402
602
609
602
403
621
602
614
623
420
421
618
414
405
409
619
604
415
617
404
618
631 416
603
406
620
413
630
629
622
307
626
417
412
624
627
411
625
618
618
410
629
618
631
628
419
604
407
408
405
406
307
614
626
623
420
418
601
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