Weider Pro 4900 Weight Exerciser User Manual
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Weider Pro 4900 Weight Exerciser User Manual

Weight system exerciser
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See also: User Manual
Model No. 831.15403.2
Serial No.
Write the serial number in the
space above for reference.
Serial Number Decal (under seat)
• Assembly
• Adjustments
• Troubleshooting
• Part List and Drawing
CAUTION
Read all precautions and instruc-
tions in this manual before using
this equipment. Save this manu-
al for future reference.
WEIGHT SYSTEM EXERCISER
Sears, Roebuck and Co., Hoffman Estates, IL 60179
User's Manual

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Summary of Contents for Weider Pro 4900 Weight Exerciser

  • Page 1 Model No. 831.15403.2 Serial No. Write the serial number in the space above for reference. WEIGHT SYSTEM EXERCISER User’s Manual Serial Number Decal (under seat) • Assembly • Adjustments • Troubleshooting • Part List and Drawing CAUTION Read all precautions and instruc- tions in this manual before using this equipment.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS WARNING DECAL PLACEMENT ............. 2 IMPORTANT PRECAUTIONS .

  • Page 3: Important Precautions

    IMPORTANT PRECAUTIONS WARNING: To reduce the risk of serious injury, read the following important precautions before using the weight system. 1. Read all instructions in this manual and all 9. Keep hands and feet away from moving parts. warnings on the weight system before using the weight system.

  • Page 4: Before You Begin

    BEFORE YOU BEGIN Thank you for selecting the versatile WEIDER ® reading this manual, call 1-800-4-MY-HOME ® 4900 weight system. The weight system offers an (1-800-469-4663). To help us assist you, please note impressive array of weight stations designed to devel- the product model number and serial number before op every major muscle group of the body.

  • Page 5: Assembly

    ASSEMBLY Make sure you have the following tools: Make Assembly Easier for Yourself • Two adjustable wrenches Everything in this manual is designed to • One standard screwdriver ensure that the weight system can be assem- bled successfully by anyone. Before begin- •...
  • Page 6 Frame Assembly Before beginning assembly, make sure you understand the information in the box on page 5. See the PART IDENTIFICATION CHART in the center of this manual for help identifying small parts. Insert four M8 x 72mm Carriage Bolts (84) up through the Right Base (1).
  • Page 7 5. Attach the Rear Upright (6) to the Rear Base (3) with the two indicated M8 x 72mm Carriage Bolts (84) and two M8 Nylon Locknuts (115). Do not tighten the Locknuts yet. 6. Attach the Right Upright (4) to the Right Base (1) with the two indicated M8 x 72mm Carriage Bolts (84) and two M8 Nylon Locknuts (115).
  • Page 8 7. Attach the Left Upright (5) to the Left Base (2) with the two indicated M8 x 72mm Carriage Bolts (84) and two M8 Nylon Locknuts (115). Do not tighten the Locknuts yet. 8. Hold the Left Top Frame (8) between the Left Upright (5) and the Rear Upright (6).
  • Page 9 10. See the inset drawing. Identify the Front Weight Guides (136), which have the lock holes closer to the center than the Rear Weight Guides (24). Orient the Weight Guides with the holes closer to the bottom. Attach the Front Weight Guides (136) to the Right Base (1) with an M10 x 155mm Bolt (130), two M10 Washers (116), and an M10 Nylon Locknut (114).
  • Page 10 12. Attach the Front Weight Guides (136) to the Right Top Frame (7) with two M10 x 38mm Screws (82) and two M10 Washers (116). Repeat this step with the Rear Weight Guides (24). 13. Orient the Butterfly Frame (22) as shown. Attach the Butterfly Frame to the Right Upright (4) with two M8 x 70mm Bolts (91), two M8 Washers (117), and two M8 Nylon Locknuts (115).
  • Page 11 Arm Assembly Tube 16. Grease an M10 x 107mm Bolt (99). Orient the Press Frame (13) so that the welded tube is on the side toward the Left Upright (5). Attach the Press Frame to the Left Base (2) with the Bolt and an M10 Nylon Locknut (114).
  • Page 12 19. Attach the Leg Bumper (76) to the Right Seat Frame (9) with an M4 x 16mm Self-tapping Screw (113) and an M4 Washer (131). Grease an M10 x 72mm Bolt (104). Attach the Grease Leg Lever (11) to the Right Seat Frame (9) with the Bolt and an M10 Nylon Locknut (114).
  • Page 13 Cable Assembly 22. See the CABLE DIAGRAMS on pages 27 and 28 as you assemble the cables and to identify the cables. 77 116 Locate the Lat Cable (71). Route the Cable up through the Right Top Frame (7) and over a 90mm Pulley (39).
  • Page 14 27. Route the Lat Cable (71) over a 90mm Pulley (39) and down through the Left Top Frame (8). Attach the Pulley inside the Top Frame with an M10 x 80mm Bolt (111), two M10 Washers (116), two 19mm Spacers (77), and an M10 Nylon Locknut (114).
  • Page 15 32. Wrap the Ab Cable (72) over a “V”-pulley (40). Attach the “V”-pulley, a Cable Trap (49), an M10 Washer (116), and two Full Finger Guards (43) to the Right Upright (4) with an M10 x 60mm Bolt 40 116 (90) and an M10 Nylon Locknut (114).
  • Page 16 36. Grease an M8 x 20mm Shoulder Bolt (88). Attach the Ab Cable (72) to the bottom of the bracket on the Right Upright (4) with the Bolt and an M8 Nylon Locknut (115). Make sure the flat edge of Grease the Cable is against the bottom of the bracket on the Upright.
  • Page 17 41. Wrap the Leg Lever Cable (70) under a 90mm Pulley (39). Attach the Pulley and two Half Finger Guards (42) to the Right Base (1) with an M10 x 45mm Bolt (101) and an M10 Nylon Locknut (114). Make sure the Finger Guards are orient- ed as shown.
  • Page 18 46. Set an M12 Washer (129) on top of the Short Weight Tube (123). Thread an M12 Nut (128) all the way onto the Leg Lever Cable (70). Thread the Leg Lever Cable (70) into the Short Weight Tube (123). Tighten the M12 Nut (128) against the M12 Washer (129).
  • Page 19 51. Route the Right Stack Cable (70) down through the Right Top Frame (7) and over a 90mm Pulley (39). Attach the Pulley and a Small Cable Trap (48) inside the Top Frame with an M10 x 80mm Bolt (111), two M10 Washers (116), a 19mm Spacer (77), a 16mm Spacer (124), and an M10 Nylon Locknut (114).
  • Page 20 56. Wrap the Press Cable (69) around a 90mm Pulley (39). Attach the Pulley, two Half Finger Guards (42), a Small Cable Trap (48), and an M10 Washer (116) to the Left Upright (5) with an M10 x 107mm Bolt (99), an M10 Washer (116), and an M10 Nylon Locknut (114).
  • Page 21 61. Attach the end of the Leg Press Cable (69) to the “U”-bracket (50) with an M8 Washer (117) and an M8 Nylon Locknut (115). See the inset drawing. Do not completely tighten the Locknut; it should be tightened so that only two threads of the Cable show past the Locknut.
  • Page 22 65. Attach the Lock Plate (80) to the Right Seat Frame (9) with an M8 x 67mm Bolt (97), an M8 Washer (117), and an M8 Nylon Locknut (115). Do not overtighten the Locknut; the Lock Plate must be able to pivot easily. Attach the Leg Pin (83) to the Right Seat Frame (9) with an M4 x 16mm Self-tapping Screw (113).
  • Page 23 67. Slide the Pad Tube (31) through the Right Seat Frame (9). Slide two Small Foam Pads (32) onto the Pad Tube. Press two Foam Caps (58) into the Pad Tubes. Repeat this step with the Leg Lever (11). 68. Attach the Knee Pad (30) to the Dip Assist (21) with four M6 x 16mm Screws (85).

  • Page 24: Adjustments

    ADJUSTMENTS This section explains how to adjust the weight system. See the EXERCISE GUIDELINES on page 30 for important information about how to get the most benefit from your exercise program. Also, refer to the accompanying exer- cise guide to see the correct form for each exercise. Make sure all parts are properly tightened each time the weight system is used.
  • Page 25 ADJUSTING THE BACKREST To adjust the position of the left Backrest (28), disen- gaging the Knob (121) from the Left Upright (5) and move the Backrest to the desired position. Reengage the Knob into the Left Upright and the Backrest Frame (27).

  • Page 26: Weight Resistance Chart

    WEIGHT RESISTANCE CHART The chart below shows the approximate weight resistance at each exercise station. “Top” refers to the 6 lb. top weight. The other numbers refer to the 12.5 lb. weight plates. Weight resistance shown for the butterfly arm sta- tion is for each arm.

  • Page 27: Cable Diagrams

    CABLE DIAGRAMS The cable diagrams below show the proper routing of the Right Stack Cable (68), the Press Cable (69), the Leg Lever Cable (70), the Lat Cable (71), and the Ab Cable (72). Use the diagram to make sure that the cables and the cable traps have been assembled correctly.
  • Page 28 Lat Cable (71) Length: 16 feet Ab Cable (72) Length: 10 feet 3 inches Leg Lever Cable (70) Length: 21 feet 11 inches...

  • Page 29: Maintenance

    MAINTENANCE Make sure all parts are properly tightened each time the weight system is used. Replace any worn parts imme- diately. The weight system can be cleaned with a damp cloth and a 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.

  • Page 30: Exercise Guidelines

    EXERCISE GUIDELINES THE FOUR BASIC TYPES OF WORKOUTS PERSONALIZING YOUR EXERCISE PROGRAM Muscle Building Determining the exact length of time for each workout, To increase the size and strength of your muscles, as well as the number of repetitions or sets completed, push them close to their maximum capacity.
  • Page 31 Rest for a short period of time after each set. The slowly as you stretch and do not bounce. Ease into ideal resting periods are: each stretch gradually and go only as far as you can • Rest for three minutes after each set for a muscle without strain.
  • Page 32 PART IDENTIFICATION CHART—Model No. 831.15403.2 See the drawings below to identify small parts used in assembly. The number in parentheses by each drawing is the key number of the part, from the PART LIST in the center of this manual. Note: Some small parts may have been pre-attached.
  • Page 33 M6 Locknut (135) M10 x 72mm Bolt (104) M8 x 70mm Bolt (91) M8 Nylon Locknut (115) M8 x 67mm Bolt (97) M10 Nylon Locknut (114) M10 x 65mm Bolt (96) M12 Nut (128) M10 x 60mm Bolt (90) M10 x 53mm Bolt (137) M8 Washer (117) M10 x 48mm Bolt (102) M10 Washer (116)
  • Page 34 PART LIST—Model No. 831.15403.2 R0805A Key No. Qty. Description Key No. Qty. Description Right Base 50mm Round Inner Cap Left Base Press Arm Cap Rear Base 56mm Round Inner Cap Right Upright Foam Cap Left Upright Top Arm Bushing Rear Upright 50mm Outer Cap Right Top Frame 32mm Round Inner Cap...
  • Page 35 Key No. Qty. Description Key No. Qty. Description M6 x 22mm Bolt 28mm Round Inner Cap Chain 25mm Round Inner Cap M10 x 80mm Bolt M12 Nut M4 x 12mm Self-tapping Screw M12 Washer M4 x 16mm Self-tapping Screw M10 x 155mm Bolt M10 Nylon Locknut M4 Washer M8 Nylon Locknut...
  • Page 36 EXPLODED DRAWING A—Model No. 831.15403.2 R0805A 91 117 39 42...
  • Page 37 EXPLODED DRAWING B—Model No. 831.15403.2 R0805A 39 42...
  • Page 38 EXPLODED DRAWING C—Model No. 831.15403.2 R0805A 85 116...
  • Page 39 EXPLODED DRAWING D—Model No. 831.15403.2 R0805A...

  • Page 40: Full 90-Day Warranty

    FULL 90-DAY WARRANTY For 90 days from the date of purchase, if failure occurs due to defect in material or workmanship in this WEIGHT SYSTEM EXERCISER, contact the nearest Sears Service Center throughout the United States and Sears will repair or replace the WEIGHT SYSTEM EXERCISER, free of charge. This warranty does not apply when the WEIGHT SYSTEM EXERCISER is used commercially or for rental purposes.

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831.15403.2

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