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Table of Contents
Model No. WESY37531
Serial No.
Write the serial number in the space
above for future reference.
Serial Number Decal (Under Seat)
QUESTIONS?
As a manufacturer, we are
committed to providing complete
customer satisfaction. If you
have questions, or if there are
missing parts, we will guarantee
complete satisfaction through
assistance from our factory.
TO AVOID DELAYS, PLEASE
CALL DIRECT TO OUR TOLL-
FREE CUSTOMER HOT
LINE. The technicians on
our customer hot line
will provide immediate
assistance, free of
charge.
CUSTOMER HOT LINE:
1-800-999-3756
Mon.–Fri., 6 a.m.–6 p.m. MST
CAUTION
Read all precautions and instruc-
tions in this manual before using
this equipment. Save this manual
for future reference.
USER'S MANUAL
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Summary of Contents for Weider Pro 3770 WESY37531
- Page 1 Model No. WESY37531 Serial No. Write the serial number in the space above for future reference. Serial Number Decal (Under Seat) QUESTIONS? As a manufacturer, we are committed to providing complete customer satisfaction. If you have questions, or if there are missing parts, we will guarantee complete satisfaction through assistance from our factory.
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Page 2: Table Of Contents
Note: A PART IDENTIFICATION CHART and a PART LIST/EXPLODED DRAWING are attached in the center of this manual. Remove the PART IDENTIFICATION CHART and the PART LIST/EXPLODED DRAWING before beginning assembly. WEIDER is a registered trademark of ICON Health & Fitness, Inc. -
Page 3: Important Precautions
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 in the accompanying literature before using the weight system. Use the weight system only as described in the literature. -
Page 4: Before You Begin
BEFORE YOU BEGIN Thank you for selecting the versatile WEIDER 3770 weight system. The weight system offers a selec- tion 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... -
Page 5: Assembly
ASSEMBLY Make Assembly Easier Everything in this manual is designed to ensure that the weight system can be assem- bled successfully by anyone. Before begin- ning assembly, make sure to read the information on this page. This brief intro- duction will save you much more time than it takes to read it. -
Page 6: Frame Assembly
FRAME ASSEMBLY Before you begin this step, make sure that you have read all of the information on page 5. This brief introduction will save you much more time than it takes to read it. Locate and open the parts bags labeled “FRAME ASSEMBLY.”... - Page 7 5. Attach the Butterfly Seat Frame (14) to the Butterfly Upright (1) with two 3/8” x 3 1/4” Bolts (62), two 3/8” Flat Washers (48), and two 3/8” Nylon Locknuts (50). Attach the Butterfly Seat Frame (14) to the Butterfly Front Leg (3) with two 3/8”...
- Page 8 9. See the inset drawing. Insert two Weight Inserts (56) into each Weight (21). Set the two Weight Bumpers (51) over the holes in the corner bar of the Press Base (6). Slide the Weight Guides (15) through the Weight Bumpers (51) and the holes in the Press Base (6).
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Page 9: Arm Assembly
12. Secure the Press Top Frame (9) to the Butterfly Top Frame (33) with two 3/8” x 3 1/4” Bolts (62), two 3/8” Flat Washers (48), and two 3/8” Nylon Locknuts (50). Do not tighten the Nylon Locknuts yet. 13. Secure the Weight Guides (15) to the Press Top Frame (9) with two 3/8”... - Page 10 15. Insert a 2” Square Inner Cap (28) into the end of the Butterfly Arm (10). Attach a Butterfly Handle (53) to the Butterfly Arm (10) with two 3/8” x 1” Bolts (84) and two 3/8” Flat Washers (48). Repeat this step with the other Butterfly Arm (10). 16.
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Page 11: Cable Assembly
19. Attach a Bumper (40) to the Press Front Leg (20) with a 1” Tap Screw (80). Press a 2” x 3” Inner Cap (78) into the top of the Press Leg Lever (90). Lubricate a 1/2” x 4” Bolt (68). Attach the Press Leg Lever (90) to the Press Base (6) with the Bolt and a 1/2”... - Page 12 23. Remove the preassembled 3/8” x 2” Bolts (54) from one set of Adjustable Pulley Plates (23). Wrap the Butterfly Cable (73) around a 3 1/2” Pulley (24). Attach the 3 1/2” Pulley and a Cable Trap (25) between the top holes of the Adjustable Pulley Plates (23) with a 3/8”...
- Page 13 27. Wrap the Ab Cable (47) around a 3 1/2” Pulley (24). Insert the Ab Cable down through the Press Top Frame (9). Attach a 3/8” Flat Washer (48) and a 5/8” x 3/4” Bushing (66) to a 3/8” x 3 1/4” Bolt (62). Slide the Bolt through the Press Top Frame and the 3 1/2”...
- Page 14 31. Locate the Weight Cable (72). Note that one end of the Weight Cable has a bolt, and the other end has a ball on it. Lay the Weight Cable (72) inside the bracket on the Butterfly Base (4) in the manner shown. Attach a 3 1/2”...
- Page 15 35. Wrap the Weight Cable (72) around a 3 1/2” Pulley (24). Attach the 3 1/2” Pulley and a Cable Trap (25) to the Butterfly Upright (1) with a 3/8” x 4” Bolt (59), a 3/8” Flat Washer (48), and a 3/8” Nylon Jamnut (63).
- Page 16 39. Wrap the Weight Cable (72) around a 3 1/2” Pulley (24). Attach the 3 1/2” Pulley and a Cable Trap (25) between the lowest holes in the Adjustable Pulley Plates (23) hanging from the Ab Cable (47) with a 3/8”...
- Page 17 43. Locate the Leg Press Cable (75). Attach the Leg Press Cable to the indicated side of the Press Upright (2) with a 3/8” x 3 1/4” Bolt (62) and a 3/8” Nylon Locknut (50). Do not tighten the Nylon Locknut yet.
- Page 18 47. Remove the 3/8” Nylon Locknut (50) from the indi- cated 3/8” x 5 1/2” Bolt (55). Wrap the Leg Press Cable (75) around a 3 1/2” Pulley (24). Secure the 3 1/2” Pulley and a Cable Trap (25) to the 3/8” x 5 1/2” Bolt (55) on the indi- cated side of the Press Base (6) with the 3/8”...
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Page 19: Seat Assembly
SEAT ASSEMBLY 51. Locate and open the parts bag labeled “SEAT ASSEMBLY.” Attach a Seat (13) to the brackets on the Butterfly Seat Frame (14) using four 1/4” x 3/4” Bolts (49). Repeat this step with the other Seat (not shown) and the Press Seat Frame (not shown). - Page 20 55. Press two 3/4” Round Inner Caps (43) into each of the two Pad Tubes (42). Slide a Foam Pad (30) onto one side of a Pad Tube (42). Slide the Pad Tube through the hole in the Leg Lever (41). Slide another Foam Pad onto the other side of the Pad Tube.
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Page 21: Adjustments
ADJUSTMENTS The instructions below describe how each part of the weight system can be adjusted. Refer to the exercise guide accompanying this manual to see how the weight system should be set up for each exercise. IMPOR- TANT: When attaching the lat bar, ab strap, or nylon strap, make sure that the attachments are in the cor- rect starting position for the exercise to be performed. - Page 22 ATTACHING THE AB STRAP TO THE AB PULLEY STATION Attach the Ab Strap (81) to the Ab Cable (47) at the ab pulley station with a Cable Clip (69). ADJUSTING THE BACKREST To adjust a Backrest (12), loosen the Adjustment Knob (5) on the Press Upright (2) or the Butterfly Upright (not shown) by turning it counterclockwise and pulling it out as far as possible.
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Page 23: Weight Resistance Chart
WEIGHT RESISTANCE CHART This chart shows the approximate weight resistance at each weight station. “Top” refers to the 10 lb. top weight. The other numbers refer to the 10 lb. weight plates. The butterfly arm resistance listed is the resistance for each butterfly arm. -
Page 24: Troubleshooting
TROUBLESHOOTING Inspect and tighten all parts each time the weight system is used. Replace any worn parts immediately. The weight system can be cleaned using a damp cloth and mild non-abrasive detergent. Do not use solvents. TIGHTENING THE CABLES Woven cable, the type of cable used on the weight system, can stretch slightly when it is first used. If there is slack in the cables before resistance is felt, the cables should be tightened. -
Page 25: Cable Diagrams
CABLE DIAGRAMS The cable diagrams on this page and the next page show the proper routing of the Leg Press Cable (75), the Ab Cable (47), the Butterfly Cable (73), and the Weight Cable (72). Use the diagrams to be sure that the Cables have been assembled correctly. - Page 26 Weight Cable (72) Cable ID 12—Weight Stack 1—Low Pulley...
- Page 27 NOTES...
- Page 28 1 1/2" Square Inner Cap (35) 2" x 3” Inner Cap (78) 1 1/2" x 2 1/2” Inner Cap (83) 2 1/2" Square Inner Cap (76) 2" Square Inner Cap (28)
- Page 29 PART IDENTIFICATION CHART—Model No. WESY37531 1/2" Flat Washer (11) 1/2" Plain Nut (45) 3/8" Nylon Locknut (50) 5/16" Nylon Locknut (64) 1/2" x 3/4" Spacer (97) 5/8” x 3/4” Bushing (66) 3/4" Round Inner Cap (43) 3/8" Flat Washer (48) 1/2"...
- Page 30 3/8" x 2" Carriage Bolt (92) 3/8" x 2" Bolt (54) 3/8" x 1 3/4" Bolt (57) 3/8" x 1 1/2" Button Head Bolt (98) 3/8" x 1" Bolt (84) 1" Tap Screw (80) 1/4" x 3/4" Bolt (49) 5/16" x 2 1/4" Shoulder Bolt (79) 3/8"...
- Page 31 PART LIST—Model No. WESY37531 Key No. Qty. Description Butterfly Upright Press Upright Butterfly Front Leg Butterfly Base Adjustment Knob Press Base Press Seat Frame Press Frame Press Top Frame Butterfly Arm 1/2” Flat Washer Backrest Seat Butterfly Seat Frame Weight Guide Top Weight Weight Tube Weight Tube Bumper...
- Page 32 EXPLODED DRAWING—Model No. WESY37531 R1003A...
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Page 33: Ordering Replacement Parts
• The MODEL NUMBER of the product (WESY37531) • The NAME of the product (WEIDER • The SERIAL NUMBER of the product (see the front cover of this manual) • The KEY NUMBER and DESCRIPTION of the part(s) (see the PART LIST and EXPLODED DRAWING attached at the center of this manual) ICON Health &...
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