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Model No. 831.159711 Serial No. (Write the serial number in the space above for reference.) Serial Number Decal (under seat) SEARS, ROEBUCK AND CO. HOFFMAN ESTATES, IL 60179 CAUTION Read all precautions and instruc- tions in this manual before using this equipment.
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. Use the weight system only as described in this manual.
Whether your goal is to tone your body, build dramatic muscle size and strength, or improve your cardiovascular system, the 8920 will help you to achieve the specific results you want. For your benefit, read this manual carefully before using the WEIDER 8920 weight system.
ASSEMBLY Make Things Easier for Yourself Everything in this manual is designed to ensure that the weight system can be assembled suc- cessfully by anyone. However, it is important to realize that the versatile weight system has many parts and that the assembly process will take time.
2. Refer to drawing 2a. Press a 25mm Round Inner Cap (49) into each end of the weight tube on the Weight Carriage (19). Note: Make sure the Square Slider Bushings (70) are assembled to the Weight Carriage and Weight Stop (67). Turn the Weight Stop (67) so that the indicated hole is on the side shown and the Square Slider Bushing (70) is on top.
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5. Press a 45mm Square Inner Cap (44) into the top of one of the Press Arms (46). Press a 25mm Round Inner Cap (49) into each end of the handle on the Press Arm. Attach the Press Arm to one side of the Press Frame (17) with two M8 x 63mm Bolts (22) and two M8 Nylon Locknuts (3).
CABLE ASSEMBLY 8. During steps 9 through 22, refer to the CABLE DIAGRAM on page 19 of this manual to verify proper cable routing. Before beginning this sec- tion, identify the Short Cable (23) and the Long Cable (58) by comparing the ends of the cables. IMPORTANT: While assembling the cables, do not overtighten the bolts and nuts securing the pulleys.
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12. Route the Long Cable (58) around a “V”-Pulley (6). Attach the Pulley and the Long Cable Trap (50) to the Right Arm (48) with an M10 x 60mm Bolt (7) and an M10 Nylon Locknut (21). Be sure that the Cable is in the groove of the Pulley and that a Long Cable Trap (50) is turned to hold the Cable in place.
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16. Attach the Long Cable (58) to the Weight Carriage (19) with an M10 x 20mm Bolt (69) and an M10 Nylon Locknut (21). 17. Attach a 90mm Pulley (15) and a Cable Trap (66) to the upper hole in the Press Frame (17) with an M10 x 80mm Bolt (25), an M10 Washer (9), and an M10 Nylon Locknut (21).
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19. Slide two Cable Traps (66) and two 90mm Pulleys (15) onto two M10 x 90mm Bolts (16). Insert the Bolts into the Front Upright (42) from the direction shown. Hand tighten an M10 Nylon Locknut (21) with an M10 Washer (9) onto each Bolt.
22. Attach the end of the Short Cable (23) to the Long “U”-Bracket (57) with an M8 Nylon Locknut (3) and an M8 Washer (68). Do not completely tighten the Nylon Locknut; it should be threaded onto the end of the Cable until two threads are showing above the Nylon Locknut, as shown in the inset drawing.
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24. Press a 38mm Square Inner Cap (32) into the Seat Frame (36). Insert the M6 x 50mm Carriage Bolt (38) into the center hole in the Seat Plate (37). Attach the Seat Plate to the Seat (13) with two M6 x 16mm Screws (18).
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27. Press two 19mm Round Inner Caps (34) into the ends of both Pad Tubes (28). Insert one Pad Tube (28) into the Seat Frame (36). Slide a Foam Pad (30) onto each end of the Pad Tube. Insert the other Pad Tube (28) into the Leg Lever (29).
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 or nylon strap, make sure that the attachments are in the correct start- ing position for the exercise to be performed.
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ATTACHING AND REMOVING THE SEAT Set the bracket on the Seat Frame (36) onto the pin on the Front Upright (42). Attach the Seat Frame to the Front Upright with the M8 x 67mm Carriage Bolt (14) and the Seat Knob (40). For some exercises, the Seat (13) must be removed.
WEIGHT RESISTANCE CHART This chart shows the approximate weight resistance at each weight station. The column labeled “WEIGHT” refers to the amount of weight, in pounds, placed on the weight carriage. The weight resistance shown for the butterfly arm station is for each butterfly arm. Note: The actual resistance at each station may vary due to friction between the cables, pulleys, and weight carriage.
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 system, can stretch slightly when it is first used.
CABLE DIAGRAM The cable diagram below shows the proper routing of the Short Cable (23) and the Long Cable (58). Use the diagram to be sure that the two cables and the cable traps have been assembled correctly. If the cables have not been correctly routed, the weight system will not function properly and damage may occur.
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: •...
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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.
SEARS, ROEBUCK AND CO., DEPT. 817WA, HOFFMAN ESTATES, IL 60179 Part No. 180576 R0102A The model number and serial number of your WEIDER 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.