Weider Fitness Equipment 831159480 User Manual

Model No. 831.15948.0  
Serial No.  
Write the serial number in the space  
above for reference.  
WEIGHT BENCH  
User’s Manual  
Serial Number  
Decal  
• Assembly  
• Operation  
• Maintenance  
• Part List and Drawing  
Sears, Roebuck and Co.  
Hoffman Estates, IL 60179  
CAUTION  
Read all precautions and instruc-  
tions in this manual before using  
this equipment. Keep this manual  
for future reference.  
 
IMPORTANT PRECAUTIONS  
WARNING:  
To reduce the risk of serious injury, read all important precautions and  
instructions in this manual and all warnings on your weight bench before using your weight bench.  
Sears assumes no responsibility for personal injury or property damage sustained by or through the  
use of this product.  
1. It is the responsibility of the owner to ensure  
that all users of the weight bench are ade-  
quately informed of all precautions.  
9. Always wear athletic shoes for foot protec-  
tion while using the weight bench.  
10. The weight bench is designed to support a  
maximum user weight of 300 lbs. (136 kg),  
and a maximum total weight of 610 lbs. (277  
kg). Do not place more than 310 lbs. (141  
kg), including a barbell and weights, on the  
weight rests or the squat weight rests. Note:  
No barbell or weights are included.  
2. Before beginning any exercise program,  
consult your physician. This is especially  
important for persons over age 35 or per-  
sons with pre-existing health problems.  
3. Use the weight bench only as described in  
this manual.  
11. Always exercise with a partner. When you  
are performing bench press exercises, your  
partner should stand behind you to catch the  
barbell if you cannot complete a repetition.  
4. The weight bench is intended for home use  
only. Do not use the weight bench in a com-  
mercial, rental, or institutional setting.  
5. Keep the weight bench indoors, away from  
moisture and dust. Do not put the weight  
bench in a garage or covered patio, or near  
water.  
12. Always place the same amount of weight  
on both ends of the barbell. While adding or  
removing weights, always keep some weight  
on both ends of the barbell to prevent the  
barbell from tipping.  
6. Place the weight bench on a level surface,  
with enough clearance around the weight  
bench to mount, dismount, and use the  
weight bench.  
13. Before using the weight bench, make sure  
that the three knobs are fully engaged in  
adjustment holes.  
7. Inspect and properly tighten all parts regu-  
larly. Replace any worn parts immediately.  
14. Over exercising may result in serious injury  
or death. If you feel faint or if you experience  
pain while exercising, stop immediately and  
cool down.  
8. Keep children under age 12 and pets away  
from the weight bench at all times.  
3
 
BEFORE YOU BEGIN  
Thank you for selecting the WEIDER PRO™ 450 L  
weight bench. The versatile 450 L weight bench is  
designed to develop every major muscle group of the  
body. Whether your goal is to develop a shapely figure,  
dramatic muscle size and strength, or a healthier car-  
diovascular system, the 450 L weight bench will help  
you to achieve the specific results you want.  
reading this manual, please see the back cover of this  
manual. To help us assist you, note the product model  
number and serial number before contacting us. The  
model number and the location of the serial number  
decal are shown on the front cover of this manual.  
Before reading further, please review the drawing  
below and familiarize yourself with the labeled parts.  
For your benefit, read this manual carefully before  
using the weight bench. If you have questions after  
Length: 6 ft. (183 cm)  
Width: 3 ft. 11 in. (120 cm)  
Squat Weight Rest  
Weight Rest  
Upright  
Backrest  
Curl Pad  
Backrest Bracket  
Bracket Knobs  
Seat  
Curl Post Knob  
4
 
PART IDENTIFICATION CHART  
Use the drawings below to identify the small parts needed for assembly. The number in parentheses below each  
drawing is the key number of the part, from the PART LIST near the end of this manual. The number following the  
key number is the quantity needed for assembly. Note: If a part is not in the hardware kit, check to see if it  
has been preassembled. Extra parts may be included. If a part is missing, please call 1-877-992-5999.  
M6 Washer  
(33)–8  
M8 Washer  
(35)–8  
M10 Washer  
(28)–4  
M8 Locknut  
(36)–8  
M10 Locknut  
(30)–1  
M12 Locknut  
(26)–1  
M6 x 20mm  
Screw (31)–4  
M6 x 65mm  
Screw (32)–8  
M8 x 42mm Bolt  
(34)–8  
M10 x 20mm  
Screw (29)–5  
M10 x 80mm Screw (27)–4  
M12 x 132mm Bolt (25)–1  
5
 
ASSEMBLY  
To watch an assembly  
video, go to  
• Left parts are marked “L” or “Left” and right parts  
are marked “R” or “Right.”  
assembly/sears/weider  
or use your mobile phone  
or your smartphone to  
read the QR code at the  
right.  
To identify small parts, see page 5.  
• In addition to the included tool(s), assembly  
requires the following tool(s):  
one adjustable wrench  
one Phillips screwdriver  
• Assembly requires two persons.  
• Due to its weight and size, the weight bench  
should be assembled in the location where it will  
be used. Make sure that there is enough clear-  
ance to walk around the weight bench as you  
assemble it.  
Assembly may be easier if you have a set of  
wrenches. To avoid damaging parts, do not use  
power tools.  
• Place all parts in a cleared area and remove the  
packing materials. Do not dispose of the packing  
materials until you nish all assembly steps.  
1. Orient the Crossbar (2) as shown.  
1
Attach the Crossbar (2) to one of the Uprights  
(3) with two M10 x 80mm Screws (27); do not  
tighten the Screws yet.  
3
Attach the Crossbar (2) to the other Upright  
(3) in the same way.  
Warning  
Decals  
3
2
27  
6
 
2. Slide the end of the Frame (1) onto the Crossbar  
(2). Attach the Frame with four M10 x 20mm  
Screws (29) and four M10 Washers (28). Start  
all four Screws, and then tighten them.  
2
29  
See step 1. Tighten the four M10 x 80mm  
Screws (27).  
2
28  
1
28  
29  
3. Identify the Right Seat Frame (8), the Left Seat  
Frame (9), and the Seat Bracket (10). Orient the  
three parts as shown.  
3
34  
35  
8
Attach the Left Seat Frame (9) to the Seat  
Bracket (10) with two M8 x 42mm Bolts (34), two  
M8 Washers (35), and two M8 Locknuts (36); do  
not tighten the Bolts yet.  
9
10  
35  
Attach the Right Seat Frame (8) to the Seat  
Bracket (10) in the same way.  
36  
34  
4. Identify the Right Backrest Frame (5), the Left  
Backrest Frame (6), and the Backrest Bracket  
(7). Orient the three parts as shown.  
4
Attach the Left Backrest Frame (6) to the  
Backrest Bracket (7) with two M8 x 42mm  
Bolts (34), two M8 Washers (35), and two M8  
Locknuts (36); do not tighten the Bolts yet.  
5
34  
7
Attach the Right Backrest Frame (5) to the  
Backrest Bracket (7) in the same way.  
6
35  
34  
36  
35  
7
 
5. Insert the Seat Bracket (10) and the Backrest  
Bracket (7) into the two slots in the Frame (1) as  
shown.  
5
Align the brackets on the Seat Frames (8, 9) and  
the brackets on the Backrest Frames (5, 6) with  
the welded tube on the Frame (1), as shown in  
the inset drawing.  
5
6
Attach the Seat Frames (8, 9) and the Backrest  
Frames (5, 6) to the Frame (1) with an M12 x  
132mm Bolt (25) and an M12 Locknut (26). Do  
not overtighten the Locknut; the Seat Frames  
and the Backrest Frames must be able to  
pivot.  
26  
8
7
9
10  
25  
1
6. Tighten the Curl Post Knob (14) into the Frame  
(1) in the indicated location.  
6
Next, tighten one of the Bracket Knobs (13) into  
the Frame (1) and into one of the adjustment  
holes in the Seat Bracket (10).  
Tighten the other Bracket Knob (13) into the  
Frame (1) and into one of the adjustment holes  
in the Backrest Bracket (7).  
13  
7
13  
Then, attach an M10 x 20mm Screw (29) and  
an M10 Locknut (30) to the lower end of the  
Backrest Bracket (7).  
14  
30  
29  
10  
1
8
 
7. Attach the Seat (18) to the Seat Frames (8, 9)  
with four M6 x 65mm Screws (32) and four M6  
Washers (33). Start all four Screws, and then  
tighten them.  
7
18  
8
9
33  
32  
8
8. Attach the Backrest (19) to the Backrest  
Brackets (5, 6) with four M6 x 65mm Screws  
(32) and four M6 Washers (33). Start all four  
Screws, and then tighten them.  
5
6
32  
19  
See steps 3 and 4. Tighten the eight M8 x  
42mm Bolts (34).  
33  
33  
32  
33  
32  
9
 
9. Attach the Right Squat Weight Rest (12) and the  
Left Squat Weight Rest (11) to the Uprights (3)  
as shown.  
9
3
11  
Make sure that both Squat Weight Rests (11,  
12) are at the same height.  
3
12  
10. Attach the Curl Pad (17) to the Curl Post (4)  
with four M6 x 20mm Screws (31). Start all four  
Screws, and then tighten them.  
10  
17  
31  
31  
4
11. Make sure that all parts are properly tightened before the weight bench is used. Note: Extra parts may  
be included. The use of all remaining parts will be explained in ADJUSTMENT, beginning on page 11.  
10  
 
ADJUSTMENT  
The steps below explain how the weight bench can be adjusted. Make sure that all parts are properly tightened  
each time the weight bench is used. 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 to clean the weight bench.  
ADJUSTING THE BACKREST AND THE SEAT  
To adjust the angle of the Backrest (19), pull the  
indicated Bracket Knob (13), raise or lower the  
Backrest, and then release the Bracket Knob into  
one of the adjustment holes in the Backrest Bracket  
(7). Move the Backrest upward or downward to  
make sure that the Backrest Knob is engaged in  
one of the adjustment holes.  
19  
Adjust the angle of the Seat (18) in the same way.  
7
18  
13  
USING THE CURL PAD  
To use the Curl Pad (17), pull the Curl Post Knob  
(14), insert the Curl Post (4) into the Frame (1),  
17  
and then release the Curl Post Knob into one of the  
adjustment holes in the Curl Post. Move the Curl  
Post upward or downward to make sure that the  
Curl Post Knob is engaged in one of the adjust-  
ment holes.  
4
1
14  
11  
 
USING THE SQUAT WEIGHT RESTS  
3
To perform squat exercises, attach the Squat Weight  
Rests (11, 12) to the Uprights (3) at the desired  
height. Make sure that both Squat Weight Rests  
(11, 12) are at the same height.  
12  
3
WARNING:  
Do not place  
11  
more than 310 lbs. (141 kg) of weight  
(not included) on the Squat Weight Rests  
(11, 12).  
12  
 
EXERCISE GUIDELINES  
FOUR TYPES OF STRENGTH WORKOUTS  
workout, and the numbers of repetitions and sets to  
complete. Progress at your own pace and be sensitive  
to your body’s signals. Follow each workout with at  
least one day of rest.  
Note: A “repetition” is one complete cycle of an  
exercise, such as one sit-up. A “set” is a series of  
repetitions.  
Warming Up—Start with 5 to 10 minutes of stretch-  
ing and light exercise. A warm-up increases your body  
temperature, heart rate, and circulation in preparation  
for exercise.  
Muscle Building—Work your muscles near their maxi-  
mum capacity and progressively increase the intensity  
of your exercise. Adjust the intensity level of an indi-  
vidual exercise as follows:  
• Change the amount of resistance used.  
• Change the number of repetitions or sets performed.  
Working Out—Include 6 to 10 different exercises in  
each workout. Select exercises for every major muscle  
group, emphasizing areas that you want to develop.  
To give balance and variety to your workouts, vary the  
exercises from workout to workout.  
Use your own judgment to determine the amount of  
resistance that is right for you. Begin with 3 sets of 8  
repetitions for each exercise you perform. Rest for 3  
minutes after each set. When you can complete 3 sets  
of 12 repetitions without difficulty, increase the amount  
of resistance.  
Cooling Down—Finish with 5 to 10 minutes of stretch-  
ing. Stretching increases the flexibility of your muscles  
and helps to prevent post-exercise problems.  
Toning—Tone your muscles by working them to a  
moderate percentage of their capacity. Select a moder-  
ate amount of resistance 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 com-  
pleting more sets rather than by using high amounts of  
resistance.  
EXERCISE FORM  
Move through the full range of motion for each exer-  
cise and move only the appropriate parts of the body.  
Perform the repetitions in each set smoothly and  
without pausing. The exertion stage of each repeti-  
tion should last about half as long as the return stage.  
Exhale during the exertion stage of each repetition and  
inhale during the return stroke. Never hold your breath.  
Weight Loss—To lose weight, use a low amount of  
resistance and increase the number of repetitions in  
each set. Exercise for 20 to 30 minutes, resting for a  
maximum of 30 seconds between sets.  
Rest for a short period of time after each set:  
• Muscle Building—Rest for three minutes after each  
set.  
Toning—Rest for one minute after each set.  
• Weight Loss—Rest for 30 seconds after each set.  
Cross Training—Combine strength training and aero-  
bic exercise by following this type of program:  
• Strength training workouts on Monday, Wednesday,  
and Friday.  
STAYING MOTIVATED  
• 20 to 30 minutes of aerobic exercise on Tuesday and  
Thursday.  
• One full day of rest each week to give your body time  
to regenerate.  
For motivation, keep a record of each workout. Write  
the date, the exercises performed, the resistance used,  
and the numbers of sets and repetitions completed.  
Record your weight and key body measurements once  
a month. To achieve good results, make exercise a  
regular and enjoyable part of your life.  
WORKOUT GUIDELINES  
Familiarize yourself with the equipment and learn the  
proper form for each exercise. Use your own judgment  
to determine the appropriate length of time for each  
13  
 
Model No. 831.15948.0 R0812A  
D e s c r i p t i o n  
PART LIST  
K e y N o . Q t y.  
D e s c r i p t i o n  
K e y N o . Q t y.  
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
1
1
2
1
1
1
1
1
1
1
1
1
2
1
2
1
1
1
1
4
Frame  
Crossbar  
Upright  
Curl Post  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
*
4
8
1
5
1
1
4
4
5
1
4
8
8
8
8
8
2
4
Small Oval Cap  
Rectangular Cap  
Crossbar Cover  
M4 x 19mm Screw  
M12 x 132mm Bolt  
M12 Locknut  
M10 x 80mm Screw  
M10 Washer  
M10 x 20mm Screw  
M10 Locknut  
M6 x 20mm Screw  
M6 x 65mm Screw  
M6 Washer  
M8 x 42mm Bolt  
M8 Washer  
M8 Locknut  
Large Oval Cap  
Round Cap  
Grease Packet  
User’s Manual  
Right Backrest Frame  
Left Backrest Frame  
Backrest Bracket  
Right Seat Frame  
Left Seat Frame  
Seat Bracket  
Left Squat Weight Rest  
Right Squat Weight Rest  
Bracket Knob  
Curl Post Knob  
Frame Bushing  
Frame Sleeve  
Curl Pad  
Seat  
Backrest  
Foot  
*
Note: Specifications are subject to change without notice. For information about ordering replacement parts, see  
the back cover of this manual. If a part is missing, call 1-877-992-5999. *These parts are not illustrated.  
14  
 
Model No. 831.15948.0 R0812A  
EXPLODED DRAWING  
37  
38  
11  
38  
22  
3
32  
19  
5
33  
34  
35  
21  
6
35  
34  
32  
27  
21  
18  
20  
22  
24  
26  
38  
33  
12  
22  
22  
36  
20  
24  
34  
35  
38  
8
7
25  
37  
9
35  
22  
29  
33  
32  
17  
34  
33  
32  
10  
30  
36  
3
29  
31  
28  
23  
24  
2
31  
13  
21  
4
15  
13  
14  
16  
28  
20  
1
15  
29  
24  
27  
21  
20  
24  
15  
 
90 DAY FULL WARRANTY  
If this Sears Weight Bench Exerciser fails due to a defect in material or workmanship within 90 days of  
the date of purchase, call 1-800-4-MY-HOME® (1-800-469-4663) to arrange for free repair (or replace-  
ment if repair proves impossible).  
This warranty does not apply when the Weight Bench Exerciser is used commercially or for rental pur-  
poses. This warranty gives you specific legal rights, and you may also have other rights which vary from  
state to state.  
Sears, Roebuck and Co., Hoffman Estates, IL 60179  
Part 333781 R0812A  
Printed in China © 2012 ICON IP, Inc.  
 

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