Page 1
Model No. 831.150280
Serial No.
Write the serial number in the space
above for future reference.
CAUTION
Read all precautions and instructions in this manual before using
this equipment. Save this manual
for future reference.
USER’S MANUAL
Serial Number Decal
®
SEARS, ROEBUCK AND CO., HOFFMAN ESTATES, IL 60179
PATENT PENDING
Page 2
2
Important Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Part Identification Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Exercise Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Part List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Exploded Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Ordering Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Back Cover
Full 90 Day Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Back Cover
Table of Contents
Page 3
WARNING:To reduce the risk of serious injury, read the following important precautions before using
the weight bench.
3
1. Read all instructions in this manual before
using the weight bench.
2. It is the responsibility of the owner to ensure
that all users of the weight bench are adequately informed of all precautions.
3. Use the weight bench only as described in
this manual.
4. Use the weight bench only on a level surface.
Cover the floor beneath the weight bench for
protection.
5. Inspect and tighten all parts each time you
use the weight bench. Replace any worn
parts immediately.
6. Keep children under the age of 12 and pets
away from the weight bench at all times.
7. Always be sure there is an equal amount of
weight on each side of your barbell (not
included) when you are using it.
8. Do not use a barbell that is longer than five
feet with the weight bench.
9. When you are using the leg lever, place a
barbell with the same amount of weight on
the weight rests to balance the bench.
10. Keep hands and feet away from moving parts.
11. Always wear athletic shoes for foot protection while exercising.
12. The weight bench does not include weights.
The weight bench is designed to support a
maximum of 360 pounds, including the user,
a weight bar and weights. Do not place more
that 110 pounds, including a weight bar and
weights, on the weight rests. Do not place
more that 50 pounds on the leg lever.
13. When using the backrest in an inclined position, make sure that the support rod is inserted completely through both uprights, and
that the support rod is turned to the locked
position.
14. If you feel pain or dizziness at any time while
exercising, stop immediately and begin cooling down.
15. The weight bench is intended for home use
only. Do not use the weight bench in any
commercial, rental, or institutional setting.
16. WARNING 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 replacement decal. Apply
the replacement decal in the location shown.
Decal shown at 75%
WARNING: Before beginning this or any exercise program, consult your physician. This is especially
important for persons over the age of 35 or persons with pre-existing health problems. Read all
instructions before using. SEARS assumes no responsibility for personal injury or property damage
sustained by or through the use of this product.
Important Precautions
Page 4
4
Backrest
Weight Rests
Support Rod
Uprights
Leg Lever
Weight Tube
Seat
Thank you for selecting the versatile WEIDER
®
128
Weight Bench. The WEIDER®128 is designed to help
you develop every major muscle group of the body.
Whether your goal is to tone your body, build dramatic
muscle size and strength or improve your cardiovascular system, the WEIDER®128 will help you to achieve
the results you want.
For your benefit, read this manual carefully before
using the WEIDER
®
128 Weight Bench. If you have
additional questions, 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 help
us assist you, please note the product model number
and serial number before calling. The model number is
831.150280. The serial number can be found on a
decal attached to the WEIDER
®
128 Weight Bench
(see the front cover of this manual).
Please use the drawing below to familiarize yourself with the major parts and how they fit together.
Before You Begin
Page 5
5
This chart is provided to help you identify the small parts used in assembly. The number in parenthesis below
each part refers to the key number of the part. The second number refers to the quantity needed for assembly.
Important: Some parts may have been pre-assembled for shipping purposes. If you cannot find a part in
the parts bags, check to see if it has been pre-assembled.
M8 Nylon Locknut (13)–6
M6 x 16mm Screw (15)–4
M10 Nylon Locknut (19)–1
M10 x 63.5mm Bolt (18)–1
M6 x 38mm Screw (16)–4
M8 Washer (12)–6
M10 Washer (25)–1
M6 Washer (26)–8
M10 x 19mm Bolt (17)–1
M8 x 57mm Bolt (14)–6
Part Identification Chart - Model No. 831.150280
R0998A
Page 6
6
1. Before assembling this product, be sure that
you have read and understand the information
in the box above.
Tap two 38mm Square Inner Caps (21) into each
Upright (1).
Attach the Crossbar (3) to each Upright (1) with
four M8 x 57mm Bolts (14), four M8 Washers
(12), and four M8 Nylon Locknuts (13). Be sure
that the Crossbar (3) and Uprights (1) are oriented as shown. The decal must be facing up
and the high side of the weight rests must both
be on the same side.
2. Tap two 30mm Square Inner Caps (22) into the
Front Leg (8).
Attach the Front Leg (8) to the Frame (2) with the
M10 x 19mm Bolt (17).
2
1
21
8
2
17
22
22
3 13
13
12
12
12
14
14
12
13
13
1
21
Before beginning assembly, carefully read the
following information and instructions:
• Place all parts of the WEIDER®128 in a cleared
area and remove the packing materials; do not
dispose of the packing materials until assembly
is completed.
• Read each assembly step before you begin.
• For help identifying the small parts used in
assembly, use the PART IDENTIFICATION
CHART on the previous page. Note: Some
small parts may have been pre-attached for shipping purposes. If a part is not in the parts bag,
check to see if it has been pre-attached.
• Tighten all parts as you assemble them, unless
instructed to do otherwise.
• As you assemble the WEIDER
®
128, make sure
that all parts are oriented as shown in the drawings.
THE FOLLOWING TOOLS (NOT INCLUDED) ARE
REQUIRED FOR ASSEMBLY:
• Two (2) adjustable wrenches
• One (1) phillips screwdriver
• One (1) rubber mallet
• Lubricant, such as grease or petroleum jelly,
and soapy water will also be needed.
Assembly will be more convenient if you have the
following tools: A socket set, a set of open-end or
closed-end wrenches, or a set of ratchet wrenches.
1
High Side of
Weight Rests
Assembly
Page 7
3. Be sure that the Uprights (1) are oriented as
shown. The high side of the weight rests must be
on the side indicated. Attach the Frame (2) to the
Crossbar (3) with two M8 x 57mm Bolts (14), two M8
Washers (12) and two M8 Nylon Locknuts (13).
4. Tap a 30mm Square Inner Cap (22) into each end
of the Leg Lever (4).
Tap a 1” Round Inner Cap (24) into the indicated
end of the weight tube. Tap the 1” Angled Round
Cap (20) onto the other end of the weight tube.
5. Lubricate the M10 x 63.5mm Bolt (18). Attach the
Leg Lever (4) to the Frame (2) with the Bolt, the
M10 Washer (25), and the M10 Nylon Locknut (19).
6. Tap two 3/4” Round Inner Caps (9) into each Pad
Tube (10). Insert the Pad Tubes into the holes in
the Leg Lever (4). Slide two Foam Pads (23) onto
each Pad Tube.
3
1
2
22
24
25
9
10
9
4
23
23
19
2
4
4
20
22
3
14
12
12
13
14
6
5
18—Lubricate
4
7
High Side of
Weight Rests
1
Page 8
8
7. Attach one Backrest Tube (5) to the Backrest (6)
with two M6 x 38mm Screws (16) and two M6
Washers (26). Attach the other Backrest Tube to
the Backrest with one M6 x 38mm Screw and one
M6 Washer. Note: Do not tighten the three
Screws yet. A fourth M6 x 38mm Screw will be
attached at the end of step 8.
8. Tap a 3/4” Round Inner Cap (9) into each end of
the Support Rod (7). Insert the Support Rod
through one of the three sets of holes in the
Uprights (1). Rotate the Support Rod to the
locked position, with the end of the Support Rod
clipped onto the Upright.
See the inset drawing. Slide the ends of both
Backrest Tubes (5) onto the pin on the Frame (2).
Attach the free end of the Backrest Tube (5) to the
Backrest (6) with an M6 x 38mm Screw (16) and
an M6 Washer (26). Fully tighten all four M6 x
38mm Screws.
9. Attach the Seat (11) to the brackets on the Frame
(2) with four M6 x 16mm Screws (15) and four M6
Washers (26).
7
5
16
16
26
26
26
16
6
8
9
6
6
5
2
5
11
15
26
2
16
5
7
1
2
9
9
Pin
1
26
26
Page 9
9
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 10 for important exercise information
and refer to the accompanying exercise poster to see the correct form for each exercise. Refer also to the
exercise information accompanying your weight set (not included) for additional exercises.
Inspect and tighten all parts each time you use the weight bench. Replace any worn parts immediately. The
weight bench can be cleaned with a damp cloth and a mild, non-abrasive detergent. Do not use solvents.
ADJUSTING THE BACKREST
The Backrest (6) can be used in either a decline position or three inclined positions. To use the Backrest in
the decline position, remove the Support Rod (7) and
lay the Backrest on the Frame (2).
To use the Backrest (6) in an inclined position, first lift
the Backrest. Insert the Support Rod (7) through one
of the three sets of holes in the Upright (1). Rotate the
Support Rod to the locked position, with the end of
the Support Rod clipped onto the Upright. Lay the
Backrest on the Support Rod.
ATTACHING WEIGHTS
To use the Leg Lever (4), slide the desired weights
(not included) onto the weight tube. WARNING: Do
not place more than 50 pounds on the Leg Lever.
1
7
4
2
Weight Tube
Weight
6
Adjusting the Weight Bench
Page 10
10
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 percentage of their capacity. You must also progressively
increase the intensity of your exercise so that your
muscles will continually adapt and grow. Each individual exercise can be tailored to the proper intensity
level by changing the amount of weight used, or the
number of repetitions or sets performed. (A “repetition” is one complete cycle of an exercise, such as
one sit-up. A “set” is a series of repetitions performed
consecutively.)
The proper amount of weight for each exercise
depends upon the individual user. It is up to you to
gauge your limits. Select the amount of weight that
you think is right for you. Begin with 3 sets of 8 repetitions for each exercise that you perform. Rest for 3
minutes after each set. When you can complete 3 sets
of 12 repetitions without difficulty, increase the amount
of weight.
• Toning
To tone your muscles, you must push your muscles to
a moderate percentage of their capacity. Select a
moderate amount of weight and increase the number
of repetitions in each set. Complete as many sets of
15 to 20 repetitions as possible without discomfort.
Rest for 1 minute after each set. Work your muscles
by completing 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 set.
Exercise for 20 to 30 minutes, resting for a maximum
of 30 seconds between sets.
• Cross Training
In the pursuit of a complete and well-balanced fitness
program, many have found that cross training is the
answer. We recommend that on Monday, Wednesday
and Friday, you plan weight training workouts. On
Tuesday and Thursday, plan 20 to 30 minutes of aerobic exercise, such as cycling, running or swimming.
Rest from both weight training and aerobic exercise
for at least one full day each week to give your body
time to regenerate. By combining weight training with
aerobic exercise, you can reshape and strengthen
your body, plus develop a stronger heart and lungs.
PERSONALIZING YOUR EXERCISE PROGRAM
We have not specified an exact length of time for
each workout, or a specific number of repetitions or
sets for each exercise. It is very important to avoid
overdoing it during the first few months of your exercise program, and to progress at your own pace. If
you experience pain or dizziness at any time while
exercising, stop immediately and begin to cool down.
Find out what is wrong before continuing. Remember
that adequate rest and a proper diet are also important.
WARMING UP
Begin each workout with 5 to 10 minutes of light
stretching and exercise to warm up. Warming up prepares your body for exercise by increasing circulation,
raising your body temperature and delivering more
oxygen to your muscles.
WORKING OUT
Each workout should include 6 to 10 different exercises. Select exercises for every major muscle group,
with emphasis on the areas that you want to develop
the most. To give balance and variety to your workouts, vary the exercises from workout to workout.
Schedule your workouts for the time of day when your
energy level is the highest. Each workout should be
followed by at least one day of rest. Once you find the
schedule that is right for you, stick with it.
EXERCISE FORM
In order to obtain the greatest benefits from exercising, it is essential to maintain proper form.
Maintaining proper form means moving through the
full range of motion for each exercise, and moving
only the appropriate parts of the body. Exercising in
an uncontrolled manner will leave you feeling exhausted. On the exercise poster accompanying this manual,
you will find photographs showing the correct form for
several exercises. A description of each exercise is
also provided, along with a list of the muscles affected. Refer to the muscle chart on page 11 to find the
locations of the muscles.
The repetitions in each set should be performed
smoothly and without pausing. The exertion stage of
each repetition should last about half as long as the
return stage. Proper breathing is important. Exhale
during the exertion stage of each repetition and inhale
during the return stroke; never hold your breath. Rest
Exercise Guidelines
Page 11
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.
COOLING DOWN
End each workout with 5 to 10 minutes of stretching.
Include stretches for both your arms and legs. Move
slowly as you stretch—do not bounce. Ease into each
stretch gradually and go only as far as you can without
strain. Stretching at the end of each workout is very
effective for increasing flexibility.
STAYING MOTIVATED
For motivation, keep a record of each workout. The
charts on pages 12 and 13 of this manual can be
photocopied and used to schedule and record your
workouts. List the date, exercises performed, weight,
and numbers of sets and repetitions completed.
Record your weight and key body measurements at
the end of every month.
Remember, the key to achieving the greatest results is
to make exercise a regular and enjoyable part of your
everyday life.
11
MUSCLE CHART
A. Sternomastoid (neck)
B. Pectoralis Major (chest)
C. Biceps (front of arm)
D. Obliques (waist)
E. Brachioradials (forearm)
F. Hip Flexors (upper thigh)
G. Abductor (outer thigh)
H. Quadriceps (front of thigh)
I. Sartorius (front of thigh)
J. Tibialis Anterior (front of calf)
K. Soleus (front of calf)
L. Rectus Abdominus (stomach)
M. Adductor (inner thigh)
N. Trapezius (upper back)
O. Rhomboideus (upper back)
P. Deltoid (shoulder)
Q. Triceps (back of arm)
R. Latissimus Dorsi (mid back)
S. Spinae Erectors (lower back)
T. Gluteus Medius (hip)
U. Gluteus Maximus (buttocks)
V. Hamstring (back of leg)
W. Gastrocnemius (back of calf)
N
O
P
Q
R
S
T
U
W
V
M
L
J
G
F
H
I
K
E
C
D
B
A
A
B
C
D
E
H
I
J
K
N
O
P
Q
R
S
U
V
W
M
L
F
G
T
Page 12
12
MONDAY
Date:
/ /
EXERCISE WEIGHT SETS REPS
EXERCISE WEIGHT SETS REPS
EXERCISE WEIGHT SETS REPS
AEROBIC EXERCISE
AEROBIC EXERCISE
TUESDAY
Date:
/ /
WEDNESDAY
Date:
/ /
THURSDAY
Date:
/ /
FRIDAY
Date:
/ /
Make photocopies of this page for scheduling and recording your workouts.
Page 13
13
MONDAY
Date:
/ /
EXERCISE WEIGHT SETS REPS
EXERCISE WEIGHT SETS REPS
EXERCISE WEIGHT SETS REPS
AEROBIC EXERCISE
AEROBIC EXERCISE
TUESDAY
Date:
/ /
WEDNESDAY
Date:
/ /
THURSDAY
Date:
/ /
FRIDAY
Date:
/ /
Make photocopies of this page for scheduling and recording your workouts.
Page 14
Key No. Qty. Description
1 2 Upright
2 1 Frame
3 1 Crossbar
4 1 Leg Lever
5 2 Backrest Tube
6 1 Backrest
7 1 Support Rod
8 1 Front Leg
9 6 3/4” Round Inner Cap
10 2 Pad Tube
11 1 Seat
12 6 M8 Washer
13 6 M8 Nylon Locknut
14 6 M8 x 57mm Bolt
Key No. Qty. Description
15 4 M6 x 16mm Screw
16 4 M6 x 38mm Screw
17 1 M10 x 19mm Bolt
18 1 M10 x 63.5mm Bolt
19 1 M10 Nylon Locknut
20 1 1” Angled Round Cap
21 4 38mm Square Inner Cap
22 4 30mm Square Inner Cap
23 4 Foam Pad
24 1 1” Round Inner Cap
25 1 M10 Washer
26 8 M6 Washer
# 1 User’s Manual
# 1 Exercise Poster
“#” Indicates a non-illustrated part. Specifications are subject to change without notice. See the back cover for
information on ordering replacement parts.
14
Part List - Model No. 831.150280
R0998A
Page 15
15
1
10
22
23
9
24
4
9
23
9
7
11
22
6
5
2
20
21
1
3
21
8
16
16
14
12
12
14
14
13
13
12
13
12
12
14
15
17
22
22
18
25
19
26
26
9
9
26
Exploded Drawing - Model No. 831.150280
R0998A
Page 16
Part No. 149377 H02871-C R0998A Printed in China © 1998 Sears, Roebuck and Co.
Ordering Replacement Parts
Full 90 Day Warranty
QUESTIONS?
If you find that:
• you need help assembling or
operating the WEIDER®128
Weight Bench
• a part is missing
• or you need to schedule repair
service
call our toll-free HELPLINE
1-800-736-6879
Monday–Saturday, 7 am–7 pm
Central Time (excluding holidays)
REPLACEMENT
PARTS
If parts become worn and need to
be replaced, call the following tollfree number
1-800-FON-PART
(1-800-366-7278)
The model number and serial number of your WEIDER®128
Weight Bench 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 request service or to order parts by telephone, call the toll-free
numbers listed at the left.
When requesting help or service, or ordering parts, please be
prepared to provide the following information:
• The MODEL NUMBER of the product (831.150280).
• The NAME of the product (WEIDER®128 Weight Bench).
• The KEY NUMBER and DESCRIPTION of the PART (see the
PART LIST and EXPLODED DRAWING on pages 14 and 15).
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.
This warranty gives you specific legal rights, and you may also have other rights which vary from state to
state.
SEARS, ROEBUCK AND CO., DEPT. 817WA, HOFFMAN ESTATES, IL 60179
WEIDER is a registered trademark of ICON Health & Fitness, Inc.
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