Weider Home Gym 831150280 User Manual

®
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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