Weider 831.150381 User Manual
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Weider 831.150381 User Manual

Weider user's manual home gym 831.150381
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PATENT PENDING
Model No. 831.150381
USER'S MANUAL
Serial No.
The serial number can be found in the
location shown below. Write the serial
number in the space above.
Serial Number Decal (under seat)
CAUTION
Read all precautions and instruc-
tions in this manual before
using this equipment. Save this
manual for future reference.
SEARS, ROEBUCK AND CO., HOFFMAN ESTATES, IL 60179

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  • Page 1 PATENT PENDING Model No. 831.150381 USER'S MANUAL Serial No. The serial number can be found in the location shown below. Write the serial number in the space above. Serial Number Decal (under seat) CAUTION Read all precautions and instruc- tions in this manual before using this equipment.

  • Page 2: Table Of Contents

    ADJUSTING THE WEIDER PRO 340 ........

  • Page 3: 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 SEARS WEIGHT BENCH EXERCISER, contact the nearest SEARS Service Center throughout the United States and SEARS will repair or replace the WEIGHT BENCH EXERCISER, free of charge. This warranty does not apply when the WEIGHT BENCH EXERCISER is used commercially or for rental purposes.

  • Page 4: Important Precautions

    IMPORTANT PRECAUTIONS WARNING: To reduce the risk of serious injury, read the following important precautions before using the weight bench. 1. Read all instructions in this manual before using the weight bench. Use the weight bench only as described in this manual. 2.

  • Page 5: Caution Decal Placement

    CAUTION DECAL PLACEMENT The decal shown below has been placed on the weight bench. If the decal is missing, or if it is not legible, please call our toll-free HELPLINE at 1-800-736-6879, Monday through Saturday, 7 a.m. until 7 p.m. Central Time (excluding holidays), to order a free replacement decal.

  • Page 6: Before You Begin

    To help us assist you, please note the prod- uct model number and serial number before calling. The model number is 831.150381. The serial number can be found on a decal attached to the PRO 340 Weight Bench (see the front cover of this manual).

  • Page 7: Assembly

    ASSEMBLY Before beginning assembly, carefully read the following information and instructions: • Assembly requires two people. • Place all parts in a cleared area and remove the packing materials; do not dispose of the packing materials until assembly is completed. •...
  • Page 8 3. Attach Base A (6) and the Storage Post (27) to Upright A (8) with two M8 x 75mm Bolts (48) and two M8 Nylon Locknuts (40). Do not confuse Upright A and Upright B. Locate the welded nut to identify each Upright. 4.
  • Page 9 7. Attach the Backrest (23) to the Backrest Tubes (13) with four M6 x 40mm Bolts (44) and four M6 Washers (54). The Backrest Tubes must be ori- ented as shown. 8. Lubricate an M10 x 165mm Bolt (43). Attach the Backrest Tubes (13) to the Bench Frame (5) with the Bolt, two M10 Washers (51), and an M10 Nylon Locknut (49).
  • Page 10 11. Lubricate the M10 x 70mm Bolt (41). Attach the Leg Lever (3) to the Front Leg (4) with the Bolt and an M10 Nylon Locknut (49). 12. Insert a Pad Tube (17) through one hole in the Leg Lever (3). Insert another Pad Tube through the other hole in the Leg Lever.
  • Page 11 15. Slide the Weight Carriage (2) onto the Lat Tower (1). The Weight Carriage must be turned as shown. Slide the Carriage Stop (37) onto the Lat Tower (1). The 2.1/2” Square Bushing (58) must be facing the Weight Carriage (2). Align the holes in the Carriage Stop with the indicated hole in the Lat Tower.
  • Page 12 Lat Tower with the Short Adjustment Knob (26). 18. Make sure that all parts are properly tightened before you use the weight bench. The use of all remaining parts will be explained in ADJUSTING THE WEIDER PRO 340 beginning on page 13.

  • Page 13: Adjusting The Weider Pro 340

    ADJUSTING THE WEIDER PRO 340 The weight bench is designed to be used with your own weight set (not included). The steps below explain how the weight bench can be adjusted. See EXERCISE GUIDELINES on page 17 for important exercise information and refer to the accompanying exercise poster to see the correct form for each exercise.
  • Page 14 ADJUSTING THE WEIGHT RESTS To change the height of the Weight Rests (11), first remove your barbell from the Weight Rests. Then remove the Long Adjustment Knob (25) from the Weight Rest in Upright A (8). Position the Weight Rest at the desired height or turn it around if needed.
  • Page 15 ATTACHING AND REMOVING THE 2” SQUARE INNER CAP Do not use the Leg Lever (3), when either the curl post or the lat tower (not shown) are attached to the weight bench. When you use the Leg Lever (3), insert a 2” Square Inner Cap (29) halfway into the Front Leg (4) to cover the open tube.
  • Page 16 USING THE WEIGHT STORAGE TUBES 8 or 9 The WEIDER PRO 340 has a convenient weight stor- age tube on each Upright (8, 9). To use the storage tubes, you can slide several unused weight plates (not Weight included) onto the tubes.

  • Page 17: Exercise Guidelines

    EXERCISE GUIDELINES THE FOUR BASIC TYPES OF WORKOUTS • Muscle Building In order to increase the size and strength of your muscles, you must push your muscles to a high per- centage of their capacity. You must also progressively increase the intensity of your exercise so that your muscles will continually adapt and grow.

  • Page 18: Muscle Chart

    for 3 minutes after each set if you are doing a muscle building workout, 1 minute after each set if you are doing a toning workout, and 30 seconds after each set if you are doing 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.
  • Page 19 EXERCISE MONDAY Date: AEROBIC EXERCISE TUESDAY Date: EXERCISE WEDNESDAY Date: THURSDAY AEROBIC EXERCISE Date: EXERCISE FRIDAY Date: Make photocopies of this page for scheduling and recording your workouts. WEIGHT WEIGHT WEIGHT SETS REPS SETS REPS SETS REPS...
  • Page 20 M6 x 16mm Screw (45)–4 M6 x 40mm Bolt (44)–4 M6 x 65mm Bolt (46)–1 M8 x 60mm Carriage Bolt (47)–2 M8 x 65mm Bolt (42)–5 M8 x 70mm Bolt (38)–1 M8 x 75mm Bolt (48)–4 M10 x 70mm Bolt (41)–1 M10 x 75mm Bolt (50)–2...
  • Page 21 13mm Spacer (56)–1 16mm Spacer (52)–4 M8 Nut (59)–1 M8 Nylon Locknut (40)–13 M10 Nylon Locknut (49)–4 Washer (54)–7 M8 Washer (55)–2 M10 Washer (51)–6 1” Round Angle Cap (57)–1 M8 Eyebolt (39)—1 2" Square Inner Cap (29)–6 (Used in Adjustment. See page 15.)
  • Page 22 PART LIST—Model No. 831.150381 Part Qty. Description 142467 Lat Tower 142468 Weight Carriage 142469 Leg Lever 142470 Front Leg 142471 Bench Frame 142472 Base A 142473 Base B 142474 Upright A 142475 Upright B 142476 Curl Post 142477 Weight Rest...
  • Page 23 EXPLODED DRAWING—Model No. 831.150381 R1099A...

  • Page 24: Replacement Parts

    1-800-FON-PART (1-800-366-7278) Part No. 142450 G03589-C R1099A The model number and serial number of your WEIDER 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.

This manual is also suitable for:

Pro 340

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