NOTE:
Please read all
instructions carefully
before using this product
Table of Contents
Safety Notice
MARCY MWB 850
WEIGHT BENCH
Hardware Pack
Assembly Instruction
Exploded Diagram
Parts List
Warranty
Ordering Parts
Model
MWB 850
Retain This
Manual for
Reference
07/17/03
IMPEX INC.
14777 Don Julian Rd., City of Industry, CA 91746
Tel: (800) 999-8899 Fax (626) 961-9966
OWNER'S
MANUAL
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IMPORTANT SAFETY NOTICE
PRECAUTIONS
This exercise machine is built for optimum safety. However, certain precautions apply
whenever you operate a piece of exercise equipment. Be sure to read the entire manual
before you assemble or operate your machine. In particular, note the following safety
precautions:
1. Keep children and pets away from the machine at all times. DO NOT leave children
unattended in the same room with the machine.
2. Only one person at a time should use the machine.
3. If the user experiences dizziness, nausea, chest pain, or any other abnormal symptoms,
STOP the workout at once. CONSULT A PHYSICIAN IMMEDIATELY.
4. Position the machine on a clear, leveled surface. DO NOT use the machine near water or
outdoors.
5. Keep hands away from all moving parts.
6. Always wear appropriate workout clothing when exercising. DO NOT wear robes or other
clothing that could become caught in the machine. Running or aerobic shoes are also
required when using the machine.
7. Use the machine only for its intended use as described in this manual. DO NOT use
attachments not recommended by the manufacturer.
8. Do not place any sharp object around the machine.
9. Disabled person should not use the machine without a qualified person or physician in
attendance.
10. Before using the machine to exercise, always do stretching exercises to properly warm up.
11. Never operate the machine if the machine is not functioning properly.
12. A spotter is recommended during exercise.
WARNING: BEFORE BEGINNING ANY EXERCISE PROGRAM, CONSULT
YOUR PHYSICIAN. THIS IS ESPECIALLY IMPORTANT FOR INDIVIDUALS
OVER THE AGE OF 35 OR PERSONS WITH PRE-EXISTING HEALTH
PROBLEMS. READ ALL INSTRUCTIONS BEFORE USING ANY FITNESS
EQUIPMENT. IMPEX INC. ASSUMES NO RESPONSIBILITY FOR PERSONAL
INJURY OR PROPERTY DAMAGE SUSTAINED BY OR THROUGH THE USE
OF THIS PRODUCT.
SAVE THESE INSTRUCTIONS.
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HARDWARE PACK
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HARDWARE PACK
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ASSEMBLY INSTRUCTION
Tools Required Assembling the Machine: Two Adjustable Wrenches and Allen
Wrenches. NOTE: It is strongly recommended two or more people assembling this
machine to avoid possible injury.
STEP 1
(See Diagram 1)
A.) Connect the Right Upright Beam (#3) to a Rear Stabilizer (#14). Secure them with one
Bent Bracket (#17), two M10x3 ¾” Carriage Bolts (#47), two ∅ ¾” Washers (#48) and two
M10 Aircraft Nuts (#50). Repeat the same procedure to assemble the other side.
B.) Connect the two Upright Beams by a Cross Brace (#13) in the mid span. Secure them
with one Bent Bracket (#17), two M10 x 3 ¾” Carriage Bolts (#47), two ∅ ¾” Washers
(#48), and two M10 Aircraft Nuts (#50) on each side.
C.) Insert two Crutches (#12) into the top openings on the top of Left & Right Upright Beams.
Insert two M12 Lock Knobs (#36) through selected holes to obtain desired height.
D.) Insert the Left and Right Safety Hooks (#20) & (#21) into the holes on top of the Crutches
(#12). Secure them with two M8 Aircraft Nuts (#51).
E.) Push four Ø 3” End Caps (#32) onto both ends of the two Rear Stabilizers.
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STEP 2 (See Diagram 2)
A.) Connect the Main Seat Support (#1) to a Rear Stabilizer (#14). Secure them with one Bent
Bracket (#17), two M10 x 3 ¾” Carriage Bolts (#47), two ∅ ¾” Washers (#48), and two
M10 Aircraft Nuts (#50).
B.) Connect the Main Seat Support (#1) to the Front Stabilizer (#5). Secure them with one
Bent Bracket (#17), two M10 x 3 ¾” Carriage Bolts (#47), two ∅ ¾” Washers (#48), and
two M10 Aircraft Nuts (#50).
C.) Slide the Sliding Block (#10) onto the Incline Adjustment Bar (#11). Align the holes then
thread a M18 Lock Knob (#37) into the hole to hold the Sliding Block in position.
D.) Attach two Ø ¾” Bushings (#54) to the Incline Adjustment Bar (#11). Then attach the
Bushings and Bar to the bracket on the Main Seat Support (#1). Secure it with one M10 x
3” Allen Bolt (#41), two ∅ ¾” Washers (#48), and one M10 Aircraft Nut (#50). Do not over
tighten the Bolt and Nut. Make sure the Bar is able to swivel.
E.) Push four Ø 3” End Caps (#32) to all ends of Rear & Front Stabilizers.
DIAGRAM 2
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STEP 3
(See Diagram 3)
A.) Attach two Ø ¾” Bushings (#54) to the pivot on the Main Seat Support (#1).
B.) Attach two Backrest Supports (#7) to the Pivot and align the holes. Secure it with one
M10 x 6 ¼” Allen Bolt (#39), two ∅ ¾” Washers (#48), and one M10 Aircraft Nut (#50).
C.) Attach two Ø ¾” Bushings (#54) to the pivot on the Sliding Block (#10).
D.) Attach the holes on the two Backrest Supports to the Pivot. Align the holes. Secure them
with one M10 x 6 ¼” Allen Bolt (#39), two ∅ ¾” Washers (#48), and one M10 Aircraft Nut
(#50).
E.) Do not over tighten the Nuts and Bolts. Make sure the Backrest Supports are able to
swivel.
DIAGRAM 3
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STEP 4
(See Diagram 4)
A.) Attach two Ø ¾” Bushings (#54) to the pivot on the Main Seat Support (#1). Attach the
Seat Incline Support Bracket (#8) to the Bushings and align the holes. Secure it with one
M10 x 4 ½” Allen Bolt (#40), two Ø ¾” Washers (#48), and one M10 Aircraft Nut (#50).
B.) Attach two Ø ¾” Bushings (#54) to the Seat Incline Support Bracket (#8). Attach two Seat
Support Frames (#6) to the Bracket and align the holes. Secure them with one M10 x 8 ¼”
Allen Bolt (#38), two Ø ¾” Washers (#48), and one M10 Aircraft Nut (#50).
C.) Do not over tighten the Nuts and Bolts. Make sure the Seat Incline Support Bracket and
Seat Support Frame are able to swivel.
DIAGRAM 4
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STEP 5
(See Diagram 5)
A.) Attach four Ø ¾” Bushings (#54) to the two Seat Support Frames (#6). Attach another
four ∅3/4” Bushings (#54) to the two Backrest Supports (#7).
B.) Attach a Backrest Support (#7) to a Seat Support Frame (#6). Please note that the
Backrest Support should be on the inside of the Seat Support Frame. Secure them with
one M10 x 2 3/8” Allen Bolt (#42) and M10 Aircraft Nut (#50).
C.) Repeat the same procedure to install the other side.
D.) Do not over tighten the Nuts and Bolts. Make sure the Seat Support Frames and
Backrest Supports are able to swivel.
DIAGRAM 5
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STEP 6
(See Diagram 6)
A.) Place the Seat (#22) onto the Seat Support Frame (#6). Secure it with four M8 x 2” Allen
Bolts (#44) and Ø5/8” Washers (#49).
B.) Place the Backrest Board (#23) onto the Backrest Supports (#7). Secure it with four M8 x
2” Allen Bolts (#44) and Ø5/8” Washers (#49).
DIAGRAM 6
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STEP 7 (See Diagram 7)
A.) Attach the Leg Developer (#4) to the bracket on the top of Main Seat Support (#1).
Secure it with one Axle (#16), two M10x ¾” Allen Bolts (#43), and ؾ” Washers (#48).
B.) Insert one Foam Roll Tube (#15) halfway through the hole on the Main Seat Support.
Insert two Foam Roll Tubes halfway through the holes on the Leg Developer. Push six
Foam Rolls (#18) onto the Tubes from both ends. Plug six Foam Roll End Caps (#31)
into the Ends.
C.) Attach the Arm Curl Pad (#27) to the Arm Curl Stand (#9). Secure it with two M8 x 5/8”
Allen Bolts (#52) and Ø 5/8” Washers (#49).
D.) Insert the Arm Curl Stand into the top opening on the Main Seat Support. Use a M12
Lock Knob (#36) to hold the Arm Curl Stand in desired position.
E.) Attach the Bar Holder (#57) to the Leg Developer and secure it with a L-shaped Pin
(#30). Place the Curl Bar on the Bar Holder for Arm Curl exercises. Remove the Pin,
Bar Holder, Bar and Arm Curl Stand when doing Leg Developer exercises.
F.) Attach an Olympic Sleeve (#56) to the weight post on the Leg Developer. Attach a
Spring Clip (#19) to the Sleeve.
DIAGRAM 7
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PARTS LIST
KEY NO.
1
2
3
4
DESCRIPTION
Main Seat Support
Left Upright Beam
Right Upright Beam
Leg Developer
QUANTITY
1
1
1
1
5
Front Stabilizer
1
6
7
8
9
Seat Support Frame
Backrest Support
Seat Incline Support Bracket
Arm Curl Stand
Sliding Block
2
2
1
1
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
1
Incline Adjustment Bar
Crutch
Cross Brace
Rear Stabilizer
Foam Roll Tube
Axle
Bent Bracket
Foam Roll
Spring Clip
Right Safety Hook
Left Safety Hook
Seat
Backrest Board
1 ½” x ¾” End Cap
2” Square Sleeve
Ø 2 3/8” Cone-shaped End Cap
Arm Curl Pad
1
2
1
3
3
1
6
6
3
1
1
1
1
10
2
2
1
1
3
1
6
8
8
1
2
3
1
1
2
1
1
2
2
Ø 1” End Cap
Ø 1” Cone-shape End Cap
L-shaped Pin
Foam Roll End Cap
∅ 3” End Cap
Cap Cover
Leg Developer Sleeve
∅ 3” Crutch Sleeve
M12 Lock Knob
M18 Lock Knob
M10 x 8 ¼” Allen Bolt
M10 x 6 ¼” Allen Bolt
M10 x 4 ½” Allen Bolt
M10 x 3” Allen Bolt
M10 x 2 3/8” Allen Bolt
M10 x ¾” Allen Bolt
M8 x 2” Allen Bolt
½” Philips Screw
¼” Philips Screw
M10 x 3 ¾” Carriage Bolt
∅ ¾” Washer
∅ 5/8” Washer
M10 Aircraft Nut
M8 Aircraft Nut
M8 x 5/8” Allen Bolt
Plastic Axle Spacer
Ø ¾” Bushing
2 3/8” x 2” Square Sleeve
Olympic Sleeve
Bar Holder
8
1
2
12
24
10
19
2
2
2
18
2
3
1
1
Curl Bar
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IMPEX INC.
LIMITED WARRANTY
IMPEX Inc. ("IMPEX") warrants this product to be free from defects in workmanship and material, under normal
use and service conditions, for a period of two years on the Frame from the date of purchase. This warranty
extends only to the original purchaser. IMPEX's obligation under this Warranty is limited to replacing or repairing,
at IMPEX's option.
All returns must be pre-authorized by IMPEX. Pre-authorization may be obtained by calling IMPEX Customer
Service Department at 1-800-999-8899. All freights on products returned to IMPEX must be prepaid by the
customer. This warranty does not extend to any product or damage to a product caused by or attributable to
freight damage, abuse, misuse, improper or abnormal usage or repairs not provided by a IMPEX authorized
service center or for products used for commercial or rental purposes. No other warranty beyond that specifically
set forth above is authorized by IMPEX.
IMPEX is not responsible or liable for indirect, special or consequential damages arising out of or in connection
with the use or performance of the product or other damages with respect to any economic loss, loss of property,
loss of revenues or profits, loss of enjoyments or use, costs of removal, installation or other consequential
damages or whatsoever natures.
Some states do not allow the exclusion or limitation of incidental or
consequential damages. Accordingly, the above limitation may not apply to you.
The warranty extended hereunder is in lieu of any and all other warranties and any implied warranties of
merchantability or fitness for a particular purpose is limited in its scope and duration to the terms set forth herein.
Some states do not allow limitations on how long an implied warranty lasts. Accordingly, the above limitation may
not apply to you.
This warranty gives you specific legal right. You may also have other rights which vary from state to state.
IMPEX INC.
14777 Don Julian
City of Industry, CA 91746
ORDERING REPLACEMENT PARTS
Replacement parts can be ordered by calling our Customer Service Department toll-free at 1-800-999-8899 during
our regular business hours: Monday through Friday, 9 am until 5 pm Pacific standard time.
When ordering replacement parts, always give the following information.
1.
2.
3.
4.
Model
Description of Parts
Part Number
Date of Purchase
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