NordicTrack Grt490 English Manual
NordicTrack Grt490 Manual
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- NordicTrack Grt490 | English Manual - Page 1
space above. Serial Number Decal USER'S MANUAL SEARS, ROEBUCK AND CO. HOFFMAN ESTATES, IL 60179 CAUTION Read all precautions and instructions in this manual before using this equipment. Save this manual for future reference. Visit our website at www.nordictrack.com new products, prizes, fitness - NordicTrack Grt490 | English Manual - Page 2
Adjustment 22 Trouble-Shooting And Maintenance 24 Weight Resistance Chart 25 Exercise Guidelines 26 Ordering Replacement Parts Back Cover 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 - NordicTrack Grt490 | English Manual - Page 3
: 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 - NordicTrack Grt490 | English Manual - Page 4
, build dramatic muscle size and strength, or improve your cardiovascular system, the NordicTrack® GRT 490 will help you to achieve the results you want. For your benefit, read this manual carefully before using the weight system. If you have additional questions, please call our toll-free HELPLINE - NordicTrack Grt490 | English Manual - Page 5
for that stage. Place all parts of the weight system in a cleared area and remove the packing materials. Do not dispose of the packing materials until assembly is completed. Tightening Parts Tighten all parts as you assemble them, unless instructed to do otherwise. Questions? If you have questions - NordicTrack Grt490 | English Manual - Page 6
Frame Assembly 1 24 1. 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) - NordicTrack Grt490 | English Manual - Page 7
Bolts (45) into the holes. Thread a 3/8" Nylon Locknut (50) onto the lower Bolt. Do not thread a Locknut onto the upper Bolt yet. Attach the Weight Guides (23) to the Top Frame (1) with two 3/8" x 1 3/4" Bolts (60) and two 3/8" Nylon Locknuts (50). Press two 2" Square Inner Caps (33) into the Press - NordicTrack Grt490 | English Manual - Page 8
7. Turn the Adjustment Knob (9) on the Sliding Seat Frame (74) counterclockwise to loosen it. Pull out the 7 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. - NordicTrack Grt490 | English Manual - Page 9
Arm Assembly 9 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; the Leg Lever Lock must pivot easily. - NordicTrack Grt490 | English Manual - Page 10
12. Attach the Rear and Forward Leg Press Uprights (97, 12 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. 97 Press two 2" Square Inner Caps (33) into the Rear and Forward Leg Press - NordicTrack Grt490 | English Manual - Page 11
Cable Assembly 15 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" x - NordicTrack Grt490 | English Manual - Page 12
19. Wrap the Leg Press Cable (76) around a 4" Pulley (35). Attach the Pulley and a Cable Trap (44) to the 19 welded bracket on the Stabilizer (5) with a 3/8" x 2" Bolt (62) and a 3/8" Nylon Locknut (50). 62 20. Remove the pre-assembled 4" Pulley (not shown) from the Pulley Bracket (91). 20 - NordicTrack Grt490 | English Manual - 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. Attach the Pulley inside the slot in the - NordicTrack Grt490 | English Manual - 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" Nylon Jamnut (63). 25 73 35 55 42 54 63 42 55 3 26. Disassemble the pre- - NordicTrack Grt490 | English Manual - Page 15
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). 35 63 55 Let the High Cable (73) hang over the weight stack; it will be attached in step 37. 1 73 55 54 31. Locate the Low Cable (72), which has a ball on each 31 end. Route - NordicTrack Grt490 | English Manual - 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" x 1 3/4" Bushing (94) inside the bottom of the Leg Lever (29) with a 5/16" x 2 1/2" Bolt ( - NordicTrack Grt490 | English Manual - Page 17
). Place the 1 1/2" Flat Washer (40) on top of the Weight Tube (36). Tighten the bolt at the end of the High Cable (73) into the threaded hole in the Weight Tube until the Cables (73, 72 [not shown], 76 [not shown]) are tight. - NordicTrack Grt490 | English Manual - Page 18
Seat Assembly 38 38. Open the parts bag labeled "ARM AND SEAT ASSEMBLY." Attach a Seat (13) to the Seat Upright (37) with four 37 1/4" x 3/4" Bolts (17). Turn the Adjustment Knob (9) on the Seat Upright 17 (37) counterclockwise to loosen it. Pull out the Knob as far as possible and slide - NordicTrack Grt490 | English Manual - Page 19
the Pad Tube. 43 34 8 30 44. Slide the four Tinnerman Clips (38) down over the slots in the bracket on the Stabilizer (5). Insert the Weight Pin (39) under one of the Weights (26). 34 30 44 26 34 30 28 34 29 38 5 38 19 39 Bracket - NordicTrack Grt490 | English Manual - Page 20
in ADJUSTMENT, beginning on page 22 of this manual. 17 Before using the weight system, pull each cable a few times to make sure that the cables move smoothly over the pulleys. If one of the cables does not move smoothly, find and correct the problem. 21 83 IMPORTANT: If the cables are not - NordicTrack Grt490 | English Manual - Page 21
correctly, that the pulleys move smoothly, and that the cable traps do not touch or bind the cables. Incorrect cable routing can damage the weight system. 8 10 11 2 1 High Cable (73) 9 6 7 4 3 5 64 6 12 4 3 Leg Press Cable (76) Cable ID Chart 53 5 1 76 72 73 21 2 2 1 Low Cable (72) Large - NordicTrack Grt490 | English Manual - Page 22
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. IMPORTANT: When attaching the lat bar, ankle strap, or ab strap, make sure that the - NordicTrack Grt490 | English Manual - 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. Snap the Adjustment Knob into one of the - NordicTrack Grt490 | English Manual - Page 24
Trouble-Shooting And Maintenance Make sure all parts are properly tightened each time you use the weight system. Replace any worn parts immediately. The weight system can be cleaned using a damp cloth and mild cable needs to be replaced, refer to the back cover of this manual. 35 73 44 60 63 91 24 - NordicTrack Grt490 | English Manual - Page 25
. 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. Weight Plates Top 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Arm Press (lbs.) 24 35 46 57 68 79 90 102 113 124 - NordicTrack Grt490 | English Manual - Page 26
more sets rather than by using high amounts of weight. Weight Loss To lose weight, use a low amount of weight and increase the number of repetitions in each manner will leave you feeling exhausted. On the exercise guide accompanying this manual you will find photographs showing the correct form for - NordicTrack Grt490 | English Manual - Page 27
set for a muscle building workout. • Rest for one minute after each set for a toning work- out. • Rest for 30 seconds after each set for a weight loss workout. Plan to spend the first couple of weeks familiarizing yourself with the equipment and learning the proper form for each exercise. COOLING - NordicTrack Grt490 | English Manual - Page 28
Part Identification Chart-831.159760 R0801A 1/4" Nylon Jamnut (51) 1/4" Nylon Locknut (25) 5/16" Nylon Locknut (81) 1/2" Plain Nut (68) 1/2" Nylon Jamnut (48) 5/16" Nylon Jamnut (79) 3/8" Nylon Jamnut (63) 1/4" Flat Washer (71) 5/16" Flat Washer (80) 3/8" Nylon Locknut (50) 5/16" x 3" Bolt - NordicTrack Grt490 | English Manual - Page 29
1/2" x 3 1/2" Bolt (22) 3/8" x 5 1/2" Bolt (57) 3/8" x 8 1/2" Bolt (59) 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" x 3 3/4" Bolt (92) 3/8" x 3 3/4" Carriage - NordicTrack Grt490 | English Manual - Page 30
3/4" Round Inner Cap (34) 1/2" x 1 3/4" Bushing (94) 1/2" x 3/4" Long Bushing (106) 1" Round Inner Cap (103) 5/8" x 1/2" Pulley Bushing (42) 5/8" x 1/4" Bushing (90) 1" x 2" Inner Cap (43) 1/4" x 7/8" Flange Bushing (47) 2" Square Inner Cap (33) 1 1/8" x 1/2" Flange Bushing (18) 2" x 3" - NordicTrack Grt490 | English Manual - Page 31
Bolt 3/8" x 1 3/4" Bolt Lat Bar 3/8" x 2" Bolt 3/8" Nylon Jamnut Weight Support 3/8" x 4" Bolt Weight Cover Chain 1/2" Plain Nut Cable Clip Leg Press Backrest 1/4" Flat Washer Low Cable High x 3/4" Long Bushing 3/8" x 3" Carriage Bolt User's Manual (not illustrated) Exercise Guide (not illustrated) - NordicTrack Grt490 | English Manual - Page 32
25 17 71 102 32 77 26 23 71 17 55 56 63 42 66 51 64 32 32 77 39 44 35 35 42 42 35 45 54 42 103 61 42 35 63 55 42 73 54 55 73 35 42 35 42 42 55 63 55 63 63 55 50 25 60 42 71 1 91 76 55 54 35 44 31 50 42 55 14 43 55 63 42 35 63 42 42 55 60 54 63 55 42 55 17 14 24 42 35 - NordicTrack Grt490 | English Manual - Page 33
serial number of your NordicTrack® GRT 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. All replacement parts are available for immediate purchase or special order when you visit your nearest SEARS Service Center. To
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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.
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
Visit our website at
www.nordictrack.com
new products, prizes,
fitness tips, and much more!
USER’S MANUAL