Table of Contents
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Model No. 831.159760
Serial No.
The serial number is found in the
location shown below. Write the
serial number in the space above.
Serial Number Decal
SEARS, ROEBUCK AND CO.
HOFFMAN ESTATES, IL 60179
CAUTION
Read all precautions and instruc-
tions in this manual before using
this equipment. Save this manual
for future reference.
USER'S MANUAL
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Table of Contents
Related Manuals for NordicTrack 831.159760
Summary of Contents for NordicTrack 831.159760
- Page 1 Model No. 831.159760 Serial No. The serial number is found in the location shown below. Write the serial number in the space above. Serial Number Decal SEARS, ROEBUCK AND CO. HOFFMAN ESTATES, IL 60179 CAUTION Read all precautions and instruc- tions in this manual before using this equipment.
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Page 2: Table Of Contents
Full 90 Day Warranty ............Back Cover Note: A PART LIST/EXPLODED DRAWING and a PART IDENTIFICATION CHART are attached in the center of this manual. NordicTrack is a registered trademark of ICON Health & Fitness, Inc. -
Page 3: Important Precautions
Important Precautions WARNING: To reduce the risk of serious injury, read the following important precau- tions before using the weight system. 1. Read all instructions in this manual and in the accompanying literature before using the weight system. 2. It is the responsibility of the owner to ensure that all users of the weight system are ade- quately informed of all precautions. -
Page 4: Before You Begin
7 p.m. Central Time. To help us assist you, please note the product model number and serial number before calling. The model number is 831.159760. The serial number can be found on a decal attached to the weight system (see the front cover of this manual). -
Page 5: Assembly
Assembly Make Assembly Easier for Yourself Everything in this manual is designed to ensure that the weight system can be assem- bled successfully by anyone. Before begin- ning assembly, make sure to read the information on this page; this brief intro- duction will save you much more time than it takes to read it! Assembly Requires Two Persons... -
Page 6: Frame Assembly
Frame Assembly Before beginning assembly, make sure you have read and understood the information on page 5. This brief introduction will save you much more time than it takes to read it! Open the parts bag labeled “FRAME ASSEMBLY.” Press a 2” x 3” Inner Cap (24) into the Main Upright (3) in the indicated location. - Page 7 4. Place two Weight Bumpers (19) over the indicated holes in the Stabilizer (5). Insert the two Weight Guides (23) into the Weight Bumpers and the Stabilizer. Attach the indicated Weight Guide (23) to the Stabilizer (5) with a 3/8” x 2 1/2” Bolt (54), two 3/8” Flat Washers (55), two 5/8”...
- Page 8 7. Turn the Adjustment Knob (9) on the Sliding Seat Frame (74) counterclockwise to loosen it. Pull out the Knob as far as possible and slide the Seat Frame Channel (88) into the Sliding Seat Frame. Release the Knob and let it snap into one of the adjustment holes in the Seat Frame Channel.
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Page 9: Arm Assembly
Arm Assembly 9. Open the parts bags labeled “ARM ASSEMBLY”. Attach the Leg Lever Lock (11) to the front leg of the Base (8) with a 5/16” x 3” Bolt (78), three 5/16” Flat Washers (80), and a 5/16” Nylon Locknut (81). Do not overtighten the Nylon Locknut;... - Page 10 12. Attach the Rear and Forward Leg Press Uprights (97, 98) to the Leg Press Base (84) with two 3/8” x 3 1/4” Bolts (87) and two 3/8” Nylon Locknuts (50). Note: The Rear Leg Press Upright (97) has an extra hole in it.
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Page 11: Cable Assembly
Cable Assembly 15. Open the parts bags labeled “CABLE ASSEMBLY” and “4 PULLEYS.” Refer to the Cable Diagram on page 21 as you assemble the cables. Identify the Leg Press Cable (76) by referring to page 21. Attach the Leg Press Cable to the indicated hole in the Leg Press Base (84) with a 3/8”... - Page 12 19. Wrap the Leg Press Cable (76) around a 4” Pulley (35). Attach the Pulley and a Cable Trap (44) to the welded bracket on the Stabilizer (5) with a 3/8” x 2” Bolt (62) and a 3/8” Nylon Locknut (50). 20.
- Page 13 22. Remove the upper 3/8” x 3” Bolt (45) from the Top Frame (1) and the Main Upright (3). Feed the bolt on the High Cable (73) down through the indicated slot in the Main Upright (3). Wrap the High Cable (73) around a 4” Pulley (35) in the direction shown.
- Page 14 25. Wrap the High Cable (73) around a 4” Pulley (35). Attach the Pulley inside the slot in the Main Upright (3) with a 3/8” x 2 1/2” Bolt (54), two 3/8” Flat Washers (55), two 5/8” x 1/2” Pulley Bushings (42), and a 3/8”...
- Page 15 28. Wrap the High Cable (73) around a 4” Pulley (35). Attach the Pulley and a Cable Trap (44) to the top hole in the Pulley Bracket (91) attached to the Leg Press Cable (76), with a 3/8” x 1 3/4” Bolt (60) and a 3/8”...
- Page 16 32. Attach a 4” Pulley (35) inside the slot in the Leg Lever (29) with a 3/8” x 2 1/2” Bolt (54), two 3/8” Flat Washers (55), two 5/8” x 1/2” Pulley Bushings (42), and a 3/8” Nylon Jamnut (63). Attach the 1/2”...
- Page 17 36. Feed the end of the Low Cable (72) through the indi- cated slot in the Main Upright (3). Wrap the Low Cable (72) around a 4” Pulley (35). Attach the Pulley inside the slot in the Main Upright (3) with a 3/8” x 2 1/2” Bolt (54), two 3/8” Flat Washers (55), two 5/8”...
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Page 18: Seat Assembly
Seat Assembly 38. Open the parts bag labeled “ARM AND SEAT ASSEMBLY.” Attach a Seat (13) to the Seat Upright (37) with four 1/4” x 3/4” Bolts (17). Turn the Adjustment Knob (9) on the Seat Upright (37) counterclockwise to loosen it. Pull out the Knob as far as possible and slide the Seat Upright into the seat frame on the Main Upright (3). - Page 19 41. Attach the remaining Seat (13) to the Sliding Seat Frame (74) with four 1/4” x 3/4” Bolts (17). 42. Attach the Leg Press Backrest (70) to the Sliding Seat Frame (74) with four 1/4” x 3/4” Bolts (17). 43. Press four 3/4” Round Inner Caps (34) into the ends of the two Pad Tubes (28).
- Page 20 45. Attach the upper end of the Shroud (56) to the two “L”-brackets on the Top Frame (1) with two 1/4” x 3/4” Bolts (17), two 1/4” Flat Washers (71), and two 1/4” Nylon Locknuts (25). Make sure that the indicated corner of the Shroud is lined up with the indicated corner of the Top Frame.
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Page 21: Cable Diagram
Cable Diagram The diagram below shows the proper routing of the Low Cable (72), the High Cable (73), and the Leg Press Cable (76). The numbers show the correct route for each cable. Make sure that the cables are routed cor- rectly, that the pulleys move smoothly, and that the cable traps do not touch or bind the cables. -
Page 22: Adjustment
Adjustment The instructions below describe how each part of the weight system can be adjusted. Refer to the exercise guide accompanying this manual to see how the weight system should be set up for each exercise. IMPOR- TANT: When attaching the lat bar, ankle strap, or ab strap, make sure that the accessories are in the cor- rect starting position for the exercise to be performed. - Page 23 Adjusting the Position of the Press Arm Handles To adjust the position of a Handle (20) on the Press Arm (46), unscrew the Adjustment Knob (9) until it is loose. Pull out the Adjustment Knob as far as possible and slide the Handle to the desired position.
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Page 24: Trouble-Shooting And Maintenance
Trouble-Shooting And Maintenance Make sure all parts are properly tightened each time you use the weight system. Replace any worn parts immedi- ately. The weight system can be cleaned using a damp cloth and mild non-abrasive detergent. Do not use solvents. Tightening the Cables Woven cable, the type of cable used on the weight sys- tem, can stretch slightly when it is first used. -
Page 25: Weight Resistance Chart
Weight Resistance Chart This chart shows the approximate weight resistance at each weight station. “Top” refers to the 10 lb. top weight. The other numbers refer to the 10 lb. weight plates. Note: The actual resistance at each station may vary due to differences in individual weight plates as well as friction between the cables, pulleys, and weight guides. -
Page 26: Exercise Guidelines
Exercise Guidelines THE FOUR BASIC TYPES OF WORKOUTS Muscle Building To increase the size and strength of your muscles, push them close to their maximum capacity. Your mus- cles will continually adapt and grow as you progres- sively increase the intensity of your exercise. You can adjust the intensity level of an individual exercise in two ways: •... - Page 27 Rest for a short period of time after each set. The ideal resting periods are: • Rest for three minutes after each set for a muscle building workout. • Rest for one minute after each set for a toning work- out.
- Page 28 Part Identification Chart—831.159760 R0801A 1/4" Nylon Jamnut (51) 1/2" Plain Nut (68) 1/4" Nylon Locknut (25) 1/2" Nylon Jamnut (48) 5/16" Nylon Locknut (81) 5/16" Nylon Jamnut (79) 3/8" Nylon Jamnut (63) 1/4" Flat Washer (71) 5/16" Flat Washer (80) 3/8"...
- Page 29 3/8" x 1 1/2" Button Cap Screw (2) 3/8" x 1 3/4" Bolt (60) 3/8" x 2" Bolt (62) 3/8" x 2 1/2" Bolt (54) 3/8" x 3" Carriage Bolt (107) 3/8" x 3" Bolt (45) 3/8" x 3 1/4" Bolt (87) 3/8"...
- Page 30 3/4" Round Inner Cap (34) 1/2” x 1 3/4” Bushing (94) 1/2” x 3/4” Long Bushing (106) 5/8” x 1/4” Bushing (90) 5/8” x 1/2” Pulley Bushing (42) 1" Round Inner Cap (103) 1/4” x 7/8” Flange Bushing (47) 1" x 2” Inner Cap (43) 1 1/8”...
- Page 31 Part List—Model No. 831.159760 Key No. Qty. Description Top Frame 3/8” x 1 1/2” Button Cap Screw Main Upright Foot Plate Stabilizer Leg Lever Bumper #10 x 1” Tap Screw Base Adjustment Knob Ankle Strap Leg Lever Lock Press Frame...
- Page 32 Exploded Drawing—Model No. 831.159760 R0801A...
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Page 33: Ordering Replacement Parts
SEARS, ROEBUCK AND CO., DEPT. 817WA, HOFFMAN ESTATES, IL 60179 Part No. 177780 R0801A The model number and serial number of your NordicTrack 490 weight system are listed on a decal attached to the frame. See the front cover of this manual to find the location of the decal.