Weider 831159641 User Manual WEIGHT SYSTEM Manuals And Guides 1712327L

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Model No. 831.15964.1
Serial No.
Write the serial number in the space
above for reference.

Serial Number
Decal (under
frame)

• Assembly
• Operation
• Maintenance
• Part List and Drawing

Sears, Roebuck and Co.
Hoffman Estates, IL 60179

CAUTION
Read all precautions and instructions in this manual before using
this equipment. Keep this manual
for future reference.

WEIGHT BENCH EXERCISER
User’s Manual

TABLE OF CONTENTS
WARNING DECAL PLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
IMPORTANT PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
BEFORE YOU BEGIN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
PART IDENTIFICATION CHART. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
EXERCISE GUIDELINES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
PART LIST. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
EXPLODED DRAWING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
ORDERING REPLACEMENT PARTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Back Cover
90 DAY FULL WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Back Cover

WARNING DECAL PLACEMENT
This drawing shows the location(s) of the warning
decal(s). If a decal is missing or illegible, call
1-877-992-5999 and request a free replacement
decal. Apply the decal in the location shown.
Note: The decal(s) may not be shown at actual size.

2

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 adequately informed of all precautions.

10. Keep hands and feet away from moving
parts.
11. Always wear athletic shoes for foot
protection while using the weight bench.

2. Before beginning any exercise program,
consult your physician. This is especially
important for persons over age 35 or persons with pre-existing health problems.

12. The weight bench is designed to support a
maximum user weight of 300 lbs. (136 kg),
and a maximum total weight of 510 lbs.
(231 kg). Do not place more than 210 lbs.
(95 kg), including a barbell and weights (not
included), on the weight rests. Do not place
more than 130 lbs. (59 kg) on the leg lever.

3. The weight bench is not intended for use by
persons with reduced physical, sensory, or
mental capabilities or lack of experience and
knowledge, unless they are given supervision or instruction about use of the weight
bench by someone responsible for their
safety.

13. Always place the same amount of weight on
both ends of your barbell. While adding or
removing weights, always keep some weight
on both ends of your barbell to prevent the
barbell from tipping. Always secure weights
with your spring collars.

4. Use the weight bench only as described in
this manual.
5. The weight bench is intended for home use
only. Do not use the weight bench in any
commercial, rental, or institutional setting.

14. Before you use the weight rests, make sure
that the weight rests are properly attached
to the uprights. In addition, make sure that
the spotters are properly attached to the
uprights.

6. 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.

15. Always make sure that the locking pin is
fully inserted into the seat frame and into
the pivot bracket before you use the weight
bench

7. Place the weight bench on a level surface,
with enough clearance around the weight
bench to mount, dismount, and use the
weight bench. To protect the floor or carpet
from damage, place a mat under the weight
bench.

16. Always exercise with a partner. Your partner
should be ready to catch your barbell if you
cannot complete a repetition

8. Inspect and properly tighten all parts each
time the weight bench is used. Replace any
worn parts immediately.

17. Over exercising may result in serious injury
or death. If you feel faint, if you become short
of breath, or if you experience pain while
exercising, stop immediately and cool down.

9. Keep children under age 13 and pets away
from the weight bench at all times.

3

BEFORE YOU BEGIN
Thank you for selecting the WEIDER® PRO 345
weight bench. The versatile PRO 345 weight bench is
designed to develop every major muscle group of the
body. Whether your goal is to have a shapely figure,
dramatic muscle size and strength, or a healthier cardiovascular system, the 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. 8 in. (203 cm)
Width: 3 ft. 7 in. (110 cm)

Weight Rest
Spotter

Upright
Olympic
Adapter/Weight
Storage Tube

Backrest
Seat
Leg Lever
Adjustment Knob
Olympic Adapter/
Weight Tube

Locking Pin
Pivot Bracket

Note: The terms “right side” and “left side” are determined relative to a person sitting on the
weight bench; the terms do not correspond to right and left in the drawings in this manual.

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. Note: If a part is not in
the hardware kit, check to see if it has been preassembled. Extra hardware may be included. If a part is
missing, call 1-877-992-5999.

M6 Washer
(26)

M8 Locknut
(17)

M4 x 19mm
Screw (22)

M8 Washer
(16)

M10 Washer
(50)

M10 Locknut
(33)

M6 x 40mm
Screw (30)

M12 Locknut
(49)

M8 x 45mm Screw (48)

M8 x 20mm
Screw (37)

M8 x 80mm Bolt (43)

M10 x 20mm
Screw (47)

M10 x 75mm Bolt (32)

M10 x 70mm Bolt (34)

M10 x 95mm Carriage Bolt (18)

M12 x 88mm Bolt (40)

5

ASSEMBLY
• Assembly requires two persons.

• To identify small parts, see page 5.

• Because of its weight and size, assemble the
weight bench in the location where it will be used.
Make sure that there is enough clearance to walk
around the weight bench as you assemble it.

• In addition to the included tool(s), assembly
requires the following tools:
one adjustable wrench
one Phillips screwdriver

• Place all parts in a cleared area and remove the
packing materials. Do not dispose of the packing
materials until you finish all assembly steps.

Assembly may be easier if you have a set of
wrenches. To avoid damaging parts, do not use
power tools.

1. Go to www.weiderservice.com/registration on
your computer and register your product.

1

• activates your warranty
• saves you time if you ever need to contact
Customer Care
• allows us to notify you of upgrades and offers
Note: If you do not have Internet access, call
1-877-992-5999 and register your product.

2. Identify the Left and Right Stabilizers (13, 38).

2

Attach the Crossbar (3) and the Left Stabilizer
(13) to an Upright (1) with four M10 x 95mm
Carriage Bolts (18) and four M10 Locknuts (33);
do not tighten the Locknuts yet.

1

Attach the Crossbar (3) and the Right
Stabilizer (38) to the other Upright (1) in the
same way.

1

38
3

18

6

33
33

13

33

18

3. Attach the Seat Frame (2) to the Lower Front
Leg (8) with three M10 x 20mm Screws (47) and
three M10 Washers (50); do not tighten the
Screws yet.

3

47

2

47 50

50
8

4. Attach the Brace (44) to the Seat Frame (2) and
the Lower Front Leg (8) with two M8 x 20mm
Screws (37); do not tighten the Screws yet.

4

47

2

8

44

37

37

5. Attach the Seat Frame (2) to the Crossbar (3)
with two M10 x 70mm Bolts (34) and two M10
Locknuts (33).

5

See steps 2–4. Tighten the M10 Locknuts
(33), the M10 x 20mm Screws (47), and the
M8 x 20mm Screws (37).

34
2
3
33

7

6. Insert a Pad Tube (10) into a hole in the Leg
Lever (4). Slide a Foam Pad (23) onto each side
of the Pad Tube.

6

Then, press a Foam Pad Cap (41) into each
Foam Pad (23).

41

23

4

41

41

23

Attach the other Pad Tube (not shown), Foam
Pads (23), and Foam Pad Caps (41) in the
same way.

10

23

7. Using a plastic bag to keep your fingers clean,
apply a generous amount of the included grease
to an M10 x 75mm Bolt (32).

7

33

27

4

Attach the Leg Lever (4) to the Upper Front Leg
(27) with the M10 x 75mm Bolt (32) and an M10
Locknut (33). Do not overtighten the Locknut;
the Leg Lever must pivot easily.

Grease
32

8. Loosen and pull the Adjustment Knob (31) outward and insert the Upper Front Leg (27) into the
Lower Front Leg (8).

8
27

Move the Upper Front Leg (27) to the desired
position, release the Adjustment Knob (31) into
an adjustment hole in the Upper Front Leg, and
then tighten the Adjustment Knob.

8

8

31

41

9. Attach the tether on the Locking Pin (36) to the
Seat Frame (2) with an M4 x 19mm Screw (22).

9

2

22
36

10. Orient the Backrest Frame (5) so that the pivot
tube is in the location shown. Make sure that
there is a Backrest Frame Bushing (28) in
each side of the pivot tube. If necessary, press
a Backrest Frame Bushing into each side of the
pivot tube.

10
5

Attach the Pivot Bracket (7) to the Backrest
Frame (5) with two M8 x 80mm Bolts (43) and
two M8 Locknuts (17); do not tighten the
Locknuts yet.

28
Pivot
Tube

11. Apply a small amount of grease to an
M12 x 88mm Bolt (40).

17

43

28

7

11

Insert the Pivot Bracket (7) into the slot in the
Seat Frame (2).
5

Next, attach the Backrest Frame (5) to the
bracket on the Seat Frame (2) with the
M12 x 88mm Bolt (40) and an M12 Locknut (49).
Do not overtighten the Locknut; the Backrest
Frame must pivot easily.
Then, insert the Locking Pin (36) through the
Seat Frame (2) and into one of the adjustment
holes in the Pivot Bracket (7).

49

See step 10. Tighten the M8 Locknuts (17).

2

7

Grease 40

9

36

12. Attach an M10 x 20mm Bolt (47) and an M10
Locknut (33) to the hole in the end of the Pivot
Bracket (7).

12
5

6

Then, attach the Backrest (6) to the Backrest
Frame (5) with two M8 x 45mm Screws (48) and
two M8 Washers (16).

16
48

16
33

13. Attach the Seat (11) to the Seat Frame (2)
with four M6 x 40mm Screws (30) and four M6
Washers (26); start all the Screws, and then
tighten them.

48
47

7

13

11

2
26
26
30

10

14. Insert a Weight Rest (29) into one of the adjustment holes into an Upright (1). Repeat this
action for the other Weight Rest. Make sure
that the Weight Rests are at the same height.

14
29

Then, insert a Spotter (24) into one of the adjustment holes in an Upright (1). Repeat this action
for the other Spotter. Make sure that the
Spotters are at the same height.

1

29

24

1
24

15. If you plan to use Olympic weights (not
included) with the weight bench, perform this
assembly step.

15
39

See the upper drawing. Slide an Olympic
Adapter (25) onto the weight storage tube on the
Left Stabilizer (13), and tighten the Set Screw
(39) in the Olympic Adapter. Repeat this action
for the Right Stabilizer (not shown).

25

13

See the lower drawing. Slide an Olympic
Adapter (25) onto the weight tube on the Leg
Lever (4), and tighten the Set Screw (39) in the
Olympic Adapter.

25

39
4

16. Make sure that all parts are properly tightened before you use the weight bench. Extra parts may be
included. The use of all remaining parts will be explained in ADJUSTMENT, beginning on page 12.

11

ADJUSTMENT
The steps below explain how the weight bench can be adjusted. See the accompanying exercise guide to see the
correct form for several exercises.
Make sure that all parts are properly tightened 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 WEIGHT RESTS AND THE
SPOTTERS

29

To adjust the height of the Weight Rests (29), first
remove the Weight Rests from the Uprights (1), and
then insert them into the desired adjustment holes in
the Uprights. Make sure that the Weight Rests are
at the same height.

1

29

24

To adjust the height of the Spotters (24), first
remove the Spotters from the Uprights (1), and then
insert them into the desired adjustment holes in the
Uprights. Make sure that the Spotters are at the
same height.

1
24

WARNING:

Do not place more
than 210 lbs. (92 kg) on the Weight Rests
(29). Always place both Weight Rests at the
same height and both Spotters (24) at the
same height.

ADJUSTING THE BACKREST
The Backrest (6) can be used in several positions.
To adjust the position of the Backrest, remove the
Locking Pin (36), move the Backrest to the desired
position, and then insert the Locking Pin through the
Seat Frame (2) into an adjustment hole in the Pivot
Bracket (7).

6

36
7

12

2

ADJUSTING THE UPPER FRONT LEG
To adjust the height of the Upper Front Leg (27), first
loosen and pull the Adjustment Knob (31) outward.
Move the Upper Front Leg (27) to the desired
position, release the Adjustment Knob (31) into an
adjustment hole in the Upper Front Leg, and then
tighten the Adjustment Knob.

27

4

When the Leg Lever (4) is not in use, remove the
Upper Front Leg (27) and store it away from the
weight bench.

31

ATTACHING WEIGHTS TO THE LEG LEVER
If you plan to use Olympic weights (not included)
with the weight bench, see assembly step 15 and
attach the three Olympic Adapters (25) to the
weight bench.
To use the Leg Lever (4), slide the desired weights
(not included) onto the weight tube on the Leg Lever.
Secure the weights with the Spring Collar (45) or the
Olympic Spring Collar (46).

25
4

WARNING:

Do not place
more than 130 lbs. (59 kg) on the Leg
Lever (4).

25
Weight
Tube

45, 46
Weight

STORING WEIGHTS
If you plan to use Olympic weights (not included)
with the weight bench, see assembly step 15 and
attach the three Olympic Adapters (25) to the
weight bench.

38
25

Store weights (not included) by placing them on
the weight storage tubes on the Left and Right
Stabilizers (13, 38).

13

13

Weight
Storage
Tube

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 stretching 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 maximum capacity and progressively increase the intensity
of your exercise. Adjust the intensity level of an individual 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 stretching. 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 moderate 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 completing more sets rather than by using high amounts of
resistance.

EXERCISE FORM
Move through the full range of motion for each exercise and move only the appropriate parts of the body.
Perform the repetitions in each set smoothly and
without pausing. The exertion stage of each repetition 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 aerobic exercise by following this type of program:
• Strength training workouts on Monday, Wednesday,
and Friday.
• 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.

STAYING MOTIVATED
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

14

EXERCISE LOG
Make copies of this page, and use the copies to schedule and record your strength and aerobic workouts.
Scheduling and recording your workouts will help you to make exercise a regular and enjoyable part of your life.
Strength
Date:

Exercise

6.

2.

7.

3.

8.

4.

9.

5.

10.

Exercise

Strength
Date:

Exercise

Time

Lbs. Sets Reps

6.

2.

7.

3.

8.

4.

9.

5.

10.

Exercise

Strength
Date:

Exercise

Time

Lbs. Sets Reps

6.

2.

7.

3.

8.

4.

9.

5.

10.

Exercise

Time

15

Speed

Distance

Speed

Lbs. Sets Reps

Exercise

1.

Distance

Lbs. Sets Reps

Exercise

1.

Aerobic
Date:

Lbs. Sets Reps

Exercise

1.

Aerobic
Date:

Aerobic
Date:

Lbs. Sets Reps

Distance

Speed

NOTES

16

NOTES

17

PART LIST
Key No. Qty.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27

2
1
1
1
1
1
1
1
2
2
1
1
1
2
2
2
2
8
1
1
3
1
4
2
3
4
1

Model No. 831.15964.1 R1215A

Description

Key No. Qty.

Upright
Seat Frame
Crossbar
Leg Lever
Backrest Frame
Backrest
Pivot Bracket
Lower Front Leg
Round Cap
Pad Tube
Seat
Front Leg Cap
Left Stabilizer
Storage Tube Cap
Upright Cap
M8 Washer
M8 Locknut
M10 x 95mm Carriage Bolt
Backrest Frame Cap
Post Bushing
Leg Lever Cap
M4 x 19mm Screw
Foam Pad
Spotter
Olympic Adapter
M6 Washer
Upper Front Leg

28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
*
*
*

2
2
4
1
1
12
2
6
1
2
1
3
1
4
4
2
1
1
1
4
2
1
3
–
–
–

Description
Backrest Frame Bushing
Weight Rest
M6 x 40mm Screw
Adjustment Knob
M10 x 75mm Bolt
M10 Locknut
M10 x 70mm Bolt
Frame Cap
Locking Pin/Tether
M8 x 20mm Screw
Right Stabilizer
Set Screw
M12 x 88mm Bolt
Foam Pad Cap
Plug
M8 x 80mm Bolt
Brace
Spring Collar
Olympic Spring Collar
M10 x 20mm Bolt/Screw
M8 x 45mm Screw
M12 Locknut
M10 Washer
User’s Manual
Exercise Guide
Grease Packet

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.

18

19

25

39

21

23

23

9

4

21

10

23

9

8

20

27

21

33

12

47
50

41

44

26

31

35

32 50

30

47

11

28
5

6

37

30

49

26

47

35

2

48
33

50

28

16

17

40

47

17

7

43

48

22

34

16

19

33
36

1

45

18

3

38

25

46

33

33

24

29
1

15

42

33

33

14

39

42

13

18

25

EXPLODED DRAWING
Model No. 831.15964.1 R1215A

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 replacement if repair proves impossible).
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., Hoffman Estates, IL 60179

Part 380176 R1215A

Printed in China © 2015 ICON Health & Fitness, Inc.



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