Page 2 - Table of Contents
2 Important Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 3 - Important Precautions
3 Important Precautions 1. Read all instructions in this manual and in the accompanying literature before using theweight 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. 3. The weight system is intended for h...
Page 4 - Before You Begin
4 ASSEMBLED DIMENSIONS: Height: 81 in.Width: 72 in. Length: 64 in. Low Pulley Station Foot Plate High Pulley Station Curl Pad Shroud Seat Leg Press Backrest Leg Lever Thank you for selecting the versatile NordicTrack ® GRT 490 weight system. The NordicTrack ® GRT 490 offers a selection of weight sta...
Page 5 - Assembly
5 Assembly Make sure you have the following tools: • Two adjustable wrenches • One standard screwdriver • One phillips screwdriver • One rubber mallet • You will also need grease or petroleum jelly, a small amount of soapy water, and clear tape ormasking tape. Note: Assembly will be more convenient ...
Page 6 - Frame Assembly
6 1. Open the parts bag labeled “FRAME ASSEMBLY.” Press a 2” x 3” Inner Cap (24) into the Main Upright(3) in the indicated location. Press a 2” x 3” Inner Cap (24) into each end of theStabilizer (5). Inset three 3/8” x 3 3/4” Carriage Bolts (52) and a3/8” x 5” Carriage Bolt (82) into the indicated h...
Page 9 - Arm Assembly
9 Arm Assembly 46 12 45 33 20 9 9 20 33 10. Attach the Press Arm (46) to the Press Frame (12) with two 3/8” x 3” Bolts (45) and two 3/8” NylonLocknuts (50). Insert a 2” Square Inner Cap (33) into each end ofthe Press Arm (46). Turn one of the Adjustment Knobs (9) on the PressArm (46) counterclockwis...
Page 11 - Cable Assembly
17. Wrap the Leg Press Cable (76) under a 4” Pulley (35). Attach the Pulley and a Cable Trap (44) to theLeg Press Base (84) with a 3/8” x 3 3/4” Bolt (92), a3/8” Flat Washer (55), and a 3/8” Nylon Locknut (50). Be sure that the Leg Press Cable (76) is routed inthe direction shown, and that the Cable...
Page 18 - Seat Assembly
18 Seat Assembly 39. Attach the Backrest (41) to the Backrest Frame (15) with four 1/4” x 3/4” Bolts (17). Press a 3/4” Round Inner Cap (34) into each end ofthe pad bar on the Backrest Frame (15). Slide aFoam Pad (30) onto each end of the pad bar. Press 1” x 2” Inner Caps (43) into the top and botto...
Page 21 - Cable Diagram
21 Cable Diagram The diagram below shows the proper routing of the Low Cable (72), the High Cable (73), and the Leg PressCable (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 to...
Page 22 - Adjustment
Attaching the Lat Bar, Ankle Strap, or Ab Strap The Lat Bar (61), Ankle Strap (10), and Ab Strap (75) canbe attached to the cable at the desired pulley station witha Cable Clip (69). For some exercises, the Chain (67)should be connected between the attachment and thecable with two Cable Clips. Adjus...
Page 24 - Trouble-Shooting And Maintenance
24 Tightening the Cables Woven cable, the type of cable used on the weight sys-tem, can stretch slightly when it is first used. If there isslack in the cables before resistance is felt, the cablesshould be tightened. To tighten the cables, insert the Weight Pin (39) underthe third Weight (26) from t...
Page 25 - Weight Resistance Chart
25 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 todifferences in individual weight plates as well as friction between the ...
Page 26 - Exercise Guidelines
26 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 canadjust the intensit...
Page 33 - FULL 90 DAY WARRANTY; Ordering Replacement Parts
Part No. 177780 R0801A Printed in Canada © 2001 Sears, Roebuck and Co. Model No. 831.159760 QUESTIONS? If you find that: • you need help assembling or operating the NordicTrack ® GRT 490 weight system • a part is missing • or you need to schedule repair service call our toll-free HELPLINE 1-800-736-...