Model No. 831.14623.0
Serial No.
Write the serial number in the
space above for future reference.
Serial Number Decal (under seat)
• Assembly
• Adjustments
• Troubleshooting
• Part List and Drawing
WEIGHT SYSTEM EXERCISER
User’s Manual
CAUTION
Read all precautions and instructions in this manual before
using this equipment. Save this
manual for future reference.
Sears, Roebuck and Co., Hoffman Estates, IL 60179
TABLE OF CONTENTS
IMPORTANT PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
BEFORE YOU BEGIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
ART IDENTIFICATION CHART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
P
ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
EIGHT RESISTANCE CHART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
W
CABLE DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
EXERCISE GUIDELINES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
PART LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
EXPLODED DRAWING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
ORDERING REPLACEMENT PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Back Cover
90 DAY FULL WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Back Cover
2
IMPORTANT PRECAUTIONS
WARNING: To reduce the risk of serious injury, read the following important precautions
before using the weight system.
1. Read all instructions in this manual and all
warnings on the weight system before using
the weight system. Use the weight system
only as described in this manual.
2. It is the responsibility of the owner to ensure
that all users of the weight system are adequately informed of all precautions.
3. The weight system is intended for home use
only. Do not use the weight system in any
commercial, rental, or institutional setting.
4. Keep the weight system indoors, away from
moisture and dust. Place the weight system
on a level surface, with a mat beneath it to
protect the floor or carpet. Make sure that
there is enough clearance around the weight
system to mount, dismount, and use the
weight system.
5. Inspect and properly tighten all parts regular-
. Replace any worn parts immediately.
ly
6. Keep hands and feet away from moving parts.
12. Always make sure that the weight pin is
inserted fully into the weight stack before
exercising.
13. If you feel pain or dizziness at any time while
exercising, stop immediately and begin cooling down.
14. Always secure the weight stack with the lock
pin and lock after exercising to prevent
unauthorized use of the weight system (see
LOCKING THE WEIGHT STACK on page 29).
15. The decal shown below has been placed on
the weight system. If the decal is missing or
illegible, call
order a free replacement decal. Apply the
decal in the location shown.
toll-free 1-877-992-5999 and
7. Keep children under 12 and pets away from
the weight system at all times.
8. Always wear athletic shoes for foot protection while exercising.
9. Make sure that the cable remains on the pulleys at all times. If the cable binds as you are
exercising, stop immediately and make sure
that the cable is on the pulleys. Replace all
cables at least every two years.
The weight system is designed to be used
10.
only with the included weight. Do not use the
weight system with dumbbells or any other
type of weight to increase the resistance.
11. The weight system is designed to support a
maximum user weight of 300 pounds.
WARNING: B
is especially important for persons over the age of 35 or persons with pre-existing health problems.
R
ead all instructions before using. SEARS assumes no responsibility for personal injury or property
damage sustained by or through the use of this product.
efore beginning this or any exercise program, consult your physician. This
3
BEFORE YOU BEGIN
Thank you for selecting the versatile WEIDER™PRO
4950 weight system. The weight system offers a selection of weight stations designed to 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 weight system
will help you to achieve the specific results you want.
For your benefit, read this manual carefully before
using the weight system. If you have questions after
ASSEMBLED DIMENSIONS:
Height: 82 in. / 208 cm
Width: 95 in. / 241 cm
Depth: 94 in. / 239 cm
Butterfly Arm
reading this manual, please see the front cover of this
manual. To help us assist you, note the product model
number and serial number before contacting us. The
model number is 831.14623.0. The serial number can
be found on a decal attached to the weight system
(see the front cover of this manual).
Before reading further, please review the drawing
below and familiarize yourself with the parts that are
labeled.
Note: The terms “right
side” and “left side”
are determined relative
to a person facing
away from the weight
system; they do not
correspond to right
and left on the drawings in the manual.
Lat Bar
Right Side
Backrest
Press Arm
Curl Pad
Curl Adjustment
Knob
Leg Lever
Foam Pad
Foot Plate
Shroud
Military Press Arm
Backrest
Adjustment Knob
Weight
Leg Press
Left Side
Seat
Seat Adjustment Knob
4
M10 Nylon
Locknut (77)
M8 Washer (103)
M8 Nylon
Locknut (78)
M6 Washer
(114)
M4 Washer
(104)
M4 x 12mm
Self-tapping
Screw (102)
M4 x 16mm
Self-tapping
Screw (110)
M6 x 16mm
Screw (88)
M8 x 22mm
Shoulder Bolt (90)
M10 x 75mm Button Screw (118)
M10 Washer (80)
M10 Large Washer (105)
M12 Large Washer (98)
M10 x 100mm Bolt (140)
M12 Nut (112)
PART IDENTIFICATION CHART—Model No. 831.14623.0 R0606A
Refer to the drawings below to identify small parts used in assembly. The number in parentheses by each drawing is the key number of the part, from the PART LIST on pages 39 and 40. Note: Some small parts may have
been pre-attached. If a part is not in the parts bag, check to see if it has been pre-attached. If a part is
missing, call toll-free 1-877-992-5999.
5
M6 x 60mm Button Screw (91)
M8 x 75mm Carriage Bolt (83)
M8 x 80mm Bolt (100)
M8 x 65mm Bolt (101)
M10 x 141mm Bolt (141)
M10 x 120mm Bolt (115)
M10 x 82mm Button Screw (92)
M10 x 60mm Bolt Set (116)
M4 x 25mm
Self-tapping
Screw (96)
M10 x 90mm Bolt (81)
M10 x 75mm Bolt (82)
M10 x 82mm Bolt (84)
M10 x 63mm Bolt (79)
M10 x 45mm Bolt (86)
M10 x 50mm Bolt (97)
M10 x 110mm Bolt (93)
M10 x 65mm Button Bolt (106)
M10 x 68mm Bolt (85)
M10 x 116mm Bolt (107)
M10 x 40mm Bolt (142)
M8 x 69mm Shoulder Bolt (87)
PART IDENTIFICATION CHART—Model No. 831.14623.0 R0606A
6
ASSEMBLY
Make Assembly Easier for Yourself
Everything in this manual is designed to
ensure that the weight system can be assembled successfully by anyone. Before begin-
ning assembly, make sure to read the
information on this page. This brief introduction will save you much more time than
it takes to read it.
Assembly Requires Two Persons
For your convenience and safety, assemble the
weight system with the help of another person.
Make sure you have the following tools:
• Two adjustable wrenches
• One standard screwdriver
• One phillips screwdriver
• One rubber mallet
• You will also need grease or petroleum jelly, a
small amount of soapy water, and clear tape or
masking tape.
Note: Assembly will be more convenient if you have
a socket set, a set of open-end or closed-end
wrenches, or a set of ratchet wrenches.
Set Aside Enough Time
Due to the many features of the weight system, the
assembly process will require several hours. By
setting aside plenty of time and by deciding to
make the task enjoyable, assembly will go smoothly.
You may want to assemble the weight system over
a couple of evenings.
Select a Location for the Weight System
Because of its weight and size, the weight system
should be assembled in the location where it will be
used. Make sure that there is enough room to walk
around the
weight system as you assemble it.
How to Unpack the Box
To make assembly as easy as possible, we have
divided the assembly process into four stages. The
parts needed for each stage are found in individual
bags. Important: Wait until you begin each stage
to open the parts bag for that stage. Place all
parts of the weight system in a cleared area and
remove the packing materials. Do not dispose of
the packing materials until assembly is completed.
How to Identify Parts
To help you identify the small parts used in assembly,
we have included a PART IDENTIFICATION CHART
in the center of this manual. Place the chart on the
floor and use it to easily identify parts during each
assembly step. Note: Some small parts may have
been pre-attached. If a part is not in the parts
bag, check to see if it has been pre-attached.
How to Orient Parts
As you assemble the weight system, make sure all
parts are oriented exactly as shown in the drawings.
Tightening Parts
Tighten all parts as you assemble them, unless
instructed to do otherwise.
Questions?
If you have questions after reading these assembly
instructions, please call
(1-800-469-4663).
1-800-4-MY-HOME
®
The Four Stages of the Assembly Process
Frame Assembly—You will begin by assembling
the base and the uprights that form the skeleton of
the weight system.
A
Assembly—D
rm
assemble the arms and the leg lever.
uring this stage you will
Cable Assembly—During this stage you will
attach the cables and pulleys that connect the
arms to the weights.
S
Assembly—D
eat
assemble the seats and the backrests.
uring the final stage you will
7
Frame Assembly
1
1.
2. Insert six M8 x 75mm Carriage Bolts (83) up
efore beginning assembly, make sure
B
you understand the information in the
box on page 7. See the PART IDENTIFICATION CHARTS on pages 5 and 6 for
elp identifying small parts.
h
Insert four M8 x 75mm Carriage Bolts (83) up
through the Right Base (1).
helpful to place a piece of tape over each
Bolt head to hold it in place.
Apply a portion of the included grease to an
M10 x 141mm Bolt (141). Attach the Foot Plate
(146) to the Right Base (1) with the Bolt and an
M10 Nylon Locknut (77).
the Locknut, the Foot Plate must pivot
freely.
through the Left Base (119). Note: It may be
helpful to place a piece of tape over each
Bolt head to hold it in place.
Note: It may be
Do not overtighten
2
141
146
83
Grease
119
77
83
83
3
1
83
8
3. Attach the Right Base (1) to the Left Base (119)
with two M8 x 80mm Bolts (100), two M8
Washers (103), and two M8 Nylon Locknuts
Do not Tighten the Nylon Locknuts yet.
(78).
4. Attach the Bottom Center Base (147) to the
Right and Left Bases (1, 119) with four M8 x
80mm Bolts (100), four M8 W
four M8 Nylon Locknuts (78).
the Nylon Locknuts yet.
ashers (103), and
Do not Tighten
3
78
1
4
100
103
103
1
147
103
78
119
78
103
103
100
100
103
19
1
8
5. Attach the Right Upright (2) to the Right Base
(1) with two M8 Nylon Locknuts (78) and the
two indicated M8 x 75mm Carriage Bolts (83).
Do not Tighten the Nylon Locknuts yet.
5
2
78
6. Orient the Rear Upright (121) so that the top
bracket slopes toward the Left Upright (120).
Attach the Rear Upright to the Left Base (119)
with two M8 Nylon Locknuts (78) and the indicated M8 x 75mm Carriage Bolts (83).
ighten the Nylon Locknuts yet.
T
Attach the Left Upright (120) in the same manner. Do not Tighten the M8 Nylon Locknuts
(78) yet.
Do not
78
1
83
6
83
Top Bracket
78
121
78
1
120
19
78
78
83
9
7. Attach the RIght Top Frame (4) to the Right
Upright (2) with two M8 x 80mm Bolts (100),
wo M8 Washers (103), and two M8 Nylon
t
Locknuts (78).
ocknuts yet.
L
Do not Tighten the Nylon
7
100
03
1
03
1
4
78
78
2
8. Attach the Left Top Frame (126) to the Rear
Upright (121), the Left Upright (120), and the
Top Frame (4) with six M8 x 80mm Bolts
Right
(100), six M8 Washers (103), and six M8 Nylon
Locknuts (78). Do not tighten the Nylon
Locknuts yet.
9. Orient the Weight Guides (18) with the indicated
holes toward the floor. Attach a Weight Guide to
the Bottom Center Base (147) with an M10 x
82mm Bolt (84), two M10 Washers (80), two
20mm Steel Spacers (108), and an M10 Nylon
Locknut (77). Do not tighten the Nylon
Locknut yet.
8
100
78
4
121
9
103
78
100
126
78
100
103
78
120
Attach the other Weight Guide (18) in the same
manner.Do not tighten the M10 Nylon
Locknut yet.
10
Holes
18
147
18
84
80
108
108
80
77
10. Slide the two Weight Bumpers (71) onto the
Weight Guides (18). Orient eleven Weights (19)
with the pin holes on the bottom as shown.
Slide the Weights onto the Weight Guides.
Insert the Weight Tube Cap (76) into the Weight
Tube (20). Insert the Weight Tube into the
eleven Weights (19). Make sure the pin on the
Weight Tube is oriented as shown.
Lubricate the indicated holes in a Weight (19)
with the included grease packet. Slide the
Weight onto the Weight Guides (18).
10
19
Grease
20
11. Attach the Top Center Frame (148) to the Right
and Left Top Frames (4, 126) with four M10 x
82mm Bolts (84), two Top Frame Plates (137),
and two M10 Nylon Locknuts (77). Do not tight-
en the Nylon Locknuts yet.
11
Pin Hole
84
19
137
76
18
71
77
81
80
18
77
71
137
84
Attach the Weight Guides (18) to the Top Center
Frame (148) with two M10 x 90mm Bolts (81),
four M10 W
Locknuts (77).
Locknuts yet.
ashers (80), and two M10 Nylon
Do not tighten the Nylon
11
4
148
80
77
18
80
77
126
12. Attach Leg Lever Bumper (75) to the Front Leg
10) with an M4 x 16mm Self-tapping Screw
(
(110) and an M4 Washer (104).
2
1
Attach the Front Leg (10) to the Right Base (1)
with two M8 Nylon Locknuts (78) and the indicated M8 x 75mm Carriage Bolts (83). Do not
tighten the Nylon Locknuts yet.
13. Attach the Right Frame (9) to the Front Leg (10)
and the Right Upright (2) with two M8 x 65mm
Bolts (101), two M8 x 80mm Bolts (100), four
M8 Washers (103), and four M8 Nylon Locknuts
Do not tighten the Nylon Locknuts yet.
(78).
13
10
78
104
10
1
9
78
75
78
10
1
78
78
7
83
8
2
103
100
14. Attach the Left Frame (122) to the Left Base
19) and the Left Upright (120) with two M8 x
(1
80mm Bolts (100), two M8 Washers (103), four
M8 Nylon Locknuts (78), and the two indicated
M8 x 75mm Carriage Bolts (83).
Tighten all the M10 and M8 Nylon Locknuts
(77, 78) used in steps 3–14.
14
101
100
103
103
103
120
78
122
78
78
119
83
12
Arm Assembly
15
100
15. Attach the Butterfly Frame Brace (6) to the
Right Upright (2) with two M8 x 80mm Bolts
(100), two M8 Washers (103), and two M8
Nylon Locknuts (78). Do not tighten the Nylon
Locknuts yet.
Attach the Butterfly Frame (5) to the Right Top
Frame (4) and the Butterfly Frame Brace (6)
with two M8 x 80mm Bolts (100), an M10 x
75mm Button Screw (118), two M8 Washers
(103), and two M8 Nylon Locknuts (78).
Tighten the M8 Nylon Locknuts (78) used in
this step.
16. Apply grease to the locations shown and attach
the Left Butterfly Bracket (28) to the Butterfly
Frame (5) with an M10 x 82mm Bolt (84) and
an M10 Nylon Locknut (77).
Repeat this step for the Right Butterfly
Bracket (29).
16
118
5
84
Grease
103
100
6
78
100
103
4
2
84
78
103
17. Remove the indicated Butterfly Arm Cap (43)
from the Right Butterfly Arm (26). Attach a
Butterfly Handle (27) to the Butterfly Arm with
an M10 x 65mm Button Bolt (106), two M10
Washers (80), two 13mm Steel Spacers (109),
and an M10 Nylon Locknut (77).
Attach the Butterfly
Butterfly Arm (26) with an M10 x 82mm Button
Screw (92) and an M10 Large W
Repeat this step for the Left Butterfly Arm
and Butterfly Handle (25, 27).
Apply grease in the locations shown and attach
the Right Butterfly Arm (26) to the Right
B
utterfly Bracket (29) with an M10 x 75mm Bolt
(82) and an M10 Nylon Locknut (77). Press a
Bolt Cap (44) onto the end of the Bolt. Do not
overtighten the Bolt; the Butterfly Arm must
be able to pivot freely
Arm Cap (43) to the Right
asher (105).
.
17
29
Grease
27
106
105
92
80
5
109
26
43
77
Grease
80
Grease
77
44
82
Grease
28
77
29
25
27
Repeat this step for the Left Butterfly Arm
(25).
13
18. Apply grease to the 44mm Bushing (136) and
an M10 x 68mm Bolt (85). Then, insert the
ushing into the Military Press Frame (127).
B
Attach the Military Press Frame inside the Left
pright (120) with the Bolt (85) and an M10
U
Nylon Locknut (77). Do not overtighten the
Nylon Locknut; the Military Press Frame
must pivot freely.
8
1
Grease
136
77
127
85
120
19. Apply grease to an M10 x 40mm Bolt (142).
Attach the Military Press Arm (128) to the
Military Press Frame (127) with the Bolt and an
M10 Nylon Locknut (77). Do not overtighten
the Nylon Locknut; the Military Press Arm
must pivot freely.
Apply grease to a 77mm Bushing (138) and to
20.
an M10 x 100mm Bolt (140). Attach the Leg
Press Frame (123) to the Left Base (119) with
the Bushing, the Bolt, and an M10 Nylon
Locknut (77).
the indicated side.
Make sure the bushing is on
19
20
123
Bushing
127
142
Grease
77
128
Repeat this step with the Front Leg Press
Frame (132). Do not overtighten the Nylon
Locknuts (77); the Leg Press Frames must
pivot freely
.
14
1
19
140
Grease
77
132
138
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