®
Model No. 831.150280
Serial No.
Write the serial number in the space
above for future reference.
USER’S MANUAL
Serial Number Decal
PATENT PENDING
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
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.
13. When using the backrest in an inclined posi-
tion, make sure that the support rod is insert-
ed completely through both uprights, and
that the support rod is turned to the locked
position.
2. It is the responsibility of the owner to ensure
that all users of the weight bench are ade-
quately informed of all precautions.
14. If you feel pain or dizziness at any time while
exercising, stop immediately and begin cool-
ing down.
3. Use the weight bench only as described in
this manual.
4. Use the weight bench only on a level surface. 15. The weight bench is intended for home use
Cover the floor beneath the weight bench for
protection.
only. Do not use the weight bench in any
commercial, rental, or institutional setting.
5. Inspect and tighten all parts each time you
use the weight bench. Replace any worn
parts immediately.
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 holi-
days), to order a replacement decal. Apply
the replacement decal in the location shown.
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.
Decal shown at 75%
10. Keep hands and feet away from moving parts.
11. Always wear athletic shoes for foot protec-
tion 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.
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.
3
Before You Begin
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
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
muscle size and strength or improve your cardiovascu- 831.150280. The serial number can be found on a
lar system, the WEIDER® 128 will help you to achieve
the results you want.
decal attached to the WEIDER® 128 Weight Bench
(see the front cover of this manual).
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
Please use the drawing below to familiarize your-
self with the major parts and how they fit together.
Weight Rests
Uprights
Support Rod
Backrest
Seat
Leg Lever
Weight Tube
4
R0998A
Part Identification Chart - Model No. 831.150280
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 x 57mm Bolt (14)–6
M10 x 19mm Bolt (17)–1
M6 x 38mm Screw (16)–4
M6 x 16mm Screw (15)–4
M10 x 63.5mm Bolt (18)–1
M8 Nylon Locknut (13)–6
M10 Nylon Locknut (19)–1
M6 Washer (26)–8
M8 Washer (12)–6
M10 Washer (25)–1
5
Assembly
Before beginning assembly, carefully read the
following information and instructions:
• As you assemble the WEIDER® 128, make sure
that all parts are oriented as shown in the draw-
ings.
• 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.
THE FOLLOWING TOOLS (NOT INCLUDED) ARE
REQUIRED FOR ASSEMBLY:
• Two (2) adjustable wrenches
• One (1) phillips screwdriver
• One (1) rubber mallet
• 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 ship-
ping purposes. If a part is not in the parts bag,
check to see if it has been pre-attached.
• 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.
• Tighten all parts as you assemble them, unless
instructed to do otherwise.
1. Before assembling this product, be sure that
you have read and understand the information
in the box above.
1
High Side of
Weight Rests
1
Tap two 38mm Square Inner Caps (21) into each
Upright (1).
12
1
13
14
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 ori-
ented as shown.The decal must be facing up
and the high side of the weight rests must both
be on the same side.
3 13
12
12
13
14
13
12
21
21
2. Tap two 30mm Square Inner Caps (22) into the
Front Leg (8).
2
2
Attach the Front Leg (8) to the Frame (2) with the
M10 x 19mm Bolt (17).
17
22
8
22
6
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).
3
High Side of
Weight Rests
1
1
12
13
14
12
2
3
14
4. Tap a 30mm Square Inner Cap (22) into each end
of the Leg Lever (4).
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.
4
22
20
24
22
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).
5
18—Lubricate
2
19
4
25
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.
6
23
4
9
10
9
23
7
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.
7
16
26
16
26
5
16
26
6
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.
8
6
1
5
9
2
6
5
Pin
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
2
7
26
16
1
5
9. Attach the Seat (11) to the brackets on the Frame
(2) with four M6 x 16mm Screws (15) and four M6
Washers (26).
9
11
2
26
26
15
8
Adjusting the Weight Bench
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 posi-
tion 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).
1
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.
6
7
2
ATTACHING WEIGHTS
4
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.
Weight Tube
Weight
9
Exercise Guidelines
THE FOUR BASIC TYPES OF WORKOUTS
PERSONALIZING YOUR EXERCISE PROGRAM
• Muscle Building
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 exer-
cise 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 impor-
tant.
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. Each individ-
ual 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 “repeti-
tion” is one complete cycle of an exercise, such as
one sit-up. A “set” is a series of repetitions performed
consecutively.)
WARMING UP
Begin each workout with 5 to 10 minutes of light
stretching and exercise to warm up. Warming up pre-
pares your body for exercise by increasing circulation,
raising your body temperature and delivering more
oxygen to your muscles.
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 repeti-
tions 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.
WORKING OUT
Each workout should include 6 to 10 different exercis-
es. 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 work-
outs, vary the exercises from workout to workout.
• 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.
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
• Weight Loss
In order to obtain the greatest benefits from exercis-
ing, it is essential to maintain proper form.
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.
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 exhaust-
ed. 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 affect-
ed. Refer to the muscle chart on page 11 to find the
locations of the muscles.
• 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 aero-
bic 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.
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
10
for 3 minutes after each set if you are doing a muscle
building workout, 1 minute after each set if you are
STAYING MOTIVATED
doing a toning workout, and 30 seconds after each set For motivation, keep a record of each workout. The
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 exer-
cise.
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.
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.
Remember, the key to achieving the greatest results is
to make exercise a regular and enjoyable part of your
everyday life.
MUSCLE CHART
N
A. Sternomastoid (neck)
B. Pectoralis Major (chest)
C. Biceps (front of arm)
D. Obliques (waist)
A
O
P
B
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)
C
Q
D
R
E
S
F
L
T
L. Rectus Abdominus (stomach)
M. Adductor (inner thigh)
N. Trapezius (upper back)
O. Rhomboideus (upper back)
P. Deltoid (shoulder)
G
M
H
U
I
V
Q. Triceps (back of arm)
J
W
R. Latissimus Dorsi (mid back)
S. Spinae Erectors (lower back)
T. Gluteus Medius (hip)
K
U. Gluteus Maximus (buttocks)
V. Hamstring (back of leg)
W. Gastrocnemius (back of calf)
11
EXERCISE
WEIGHT
WEIGHT
WEIGHT
SETS
SETS
SETS
REPS
REPS
REPS
MONDAY
Date:
/
/
AEROBIC EXERCISE
EXERCISE
TUESDAY
Date:
/
/
WEDNESDAY
Date:
/
/
AEROBIC EXERCISE
EXERCISE
THURSDAY
Date:
/
/
FRIDAY
Date:
/
/
Make photocopies of this page for scheduling and recording your workouts.
12
EXERCISE
WEIGHT
WEIGHT
WEIGHT
SETS
SETS
SETS
REPS
REPS
REPS
MONDAY
Date:
/
/
AEROBIC EXERCISE
EXERCISE
TUESDAY
Date:
/
/
WEDNESDAY
Date:
/
/
AEROBIC EXERCISE
EXERCISE
THURSDAY
Date:
/
/
FRIDAY
Date:
/
/
Make photocopies of this page for scheduling and recording your workouts.
13
R0998A
Part List - Model No. 831.150280
Key No. Qty.
Description
Key No. Qty.
Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
2
1
1
1
2
1
1
1
6
2
1
6
6
6
Upright
Frame
Crossbar
Leg Lever
Backrest Tube
Backrest
Support Rod
Front Leg
3/4” Round Inner Cap
Pad Tube
Seat
15
16
17
18
19
20
21
22
23
24
25
26
#
4
4
1
1
1
1
4
4
4
1
1
8
1
1
M6 x 16mm Screw
M6 x 38mm Screw
M10 x 19mm Bolt
M10 x 63.5mm Bolt
M10 Nylon Locknut
1” Angled Round Cap
38mm Square Inner Cap
30mm Square Inner Cap
Foam Pad
1” Round Inner Cap
M10 Washer
M6 Washer
User’s Manual
Exercise Poster
M8 Washer
M8 Nylon Locknut
M8 x 57mm Bolt
#
“#” Indicates a non-illustrated part. Specifications are subject to change without notice. See the back cover for
information on ordering replacement parts.
14
R0998A
Exploded Drawing - Model No. 831.150280
6
26
1
16
1
12
14
13
26
13
5
12
13
12
16
14
12
3
11
14
2
14
12
21
26
21
15
17
8
9
22
18
7
4
25
19
22
9
23
20
22
9
9
24
23
22
10
9
15
Ordering Replacement Parts
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.
QUESTIONS?
If you find that:
When requesting help or service, or ordering parts, please be
prepared to provide the following information:
• you need help assembling or
operating the WEIDER® 128
Weight Bench
• The MODEL NUMBER of the product (831.150280).
• The NAME of the product (WEIDER® 128 Weight Bench).
• a part is missing
• or you need to schedule repair
service
• The KEY NUMBER and DESCRIPTION of the PART (see the
PART LIST and EXPLODED DRAWING on pages 14 and 15).
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 toll-
free number
1-800-FON-PART
(1-800-366-7278)
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.
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.
Part No. 149377 H02871-C R0998A
Printed in China © 1998 Sears, Roebuck and Co.
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