Page 2 - TABLE OF CONTENTS
2 TABLE OF CONTENTS IMPORTANT PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3BEFORE YOU BEGIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 4 - BEFORE YOU BEGIN
4 BEFORE YOU BEGIN ASSEMBLED DIMENSIONS: Height: 78 in.Width: 64 in. Length: 70 in. Foot Plate Low PulleyStation High Pulley Station Lat Bar Leg Lever Butterfly Arms Press Arm Weight Stacks Backrests Leg Press Plate Ab Pulley Station Thank you for selecting the versatile WEIDER ® PRO 3750 weight sys...
Page 5 - ASSEMBLY
5 ASSEMBLY Make sure you have the following tools: • Two (2) adjustable wrenches • One (1) standard screwdriver • One (1) phillips screwdriver • One (1) rubber mallet • You will also need grease or petroleum jelly, a small amount of soapy water, and clear tape ormasking tape. Note: Assembly will be ...
Page 6 - Frame Assembly
1. Locate and open the parts bags labeled“FRAME ASSEMBLY.” Insert six M8 x 63mm Carriage Bolts (49) upthrough the Press Base (13) and the Weight Base(14). Attach the Press Base (13) to the Weight Base(14) with two M8 x 67mm Bolts (55), two M8Washers (20), and two M8 Nylon Locknuts (40).Do not tighte...
Page 9 - ARM ASSEMBLY
11. Locate and open the parts bag labeled “ARMASSEMBLY.” Attach the Leg Press Plate (11) to the AdjustmentTube (10) with an M8 x 60mm Bolt (62), two M8Washers (20), and an M8 Nylon Locknut (40).Make sure that the Leg Press Plate andAdjustment Tube are oriented as shown. 12. Attach the Adjustment Tub...
Page 11 - CABLE ASSEMBLY
11 17. Wet the lower end of the Left Fly Arm (6) with soapy water. Slide a Large Pad (22) onto the LeftFly Arm. Repeat this step with the Right Fly Arm (5). 18. Locate and open the parts bags labeled“CABLE ASSEMBLY”, “CABLES”, and “PULLEYS.” During steps 19 through 49, refer to the CABLEDIAGRAMS on ...
Page 20 - SEAT ASSEMBLY
50. Locate and open the parts bag labeled “SEATASSEMBLY.” Attach the Small Backrest (18) to the Ab Upright(1) with two M6 x 63mm Machine Screws (64)and two M6 Washers (37). 51. Insert an M6 x 52mm Carriage Bolt (61) through the center hole in a Seat Plate (41). Attach theSeat Plate to a Seat (17) wi...
Page 22 - ADJUSTMENTS
22 ADJUSTMENTS The instructions below describe how each part of the weight system can be adjusted. Refer to the exerciseguide accompanying this manual to see how the weight system should be set up for each exercise. IMPOR- TANT: When attaching the lat bar or nylon strap, make sure that the attachmen...
Page 24 - WEIGHT RESISTANCE CHART
24 WEIGHT RESISTANCE CHART This chart shows the approximate weight resistance at each weight station. “Top” refers to the 6.5 lb. top weight.The other numbers refer to the 12.5 lb. weight plates. The butterfly arm resistance listed is the resistance foreach butterfly arm. The actual resistance at ea...
Page 25 - MAINTENANCE
To tighten the cables, first insert the weight pin into the mid-dle of the weight stack. Slack can be removed from thesecables several ways: • See drawing 1. Tighten the M8 Nylon Locknut (40) thatconnects the end of the Press Cable (88) to the Large“U”-bracket (84). • See drawing 1. Remove the M10 N...
Page 26 - CABLE DIAGRAMS
26 CABLE DIAGRAMS The cable diagrams on this page and the next page show the proper routing of the High Cable (85), the LowCable (86), the Rear Cable (87), the Press Cable (88), and the Butterfly Cable (89). Use the diagrams to be surethat the cables have been assembled correctly. The starting and e...
Page 28 - PART IDENTIFICATION CHART—Model No. WESY26331
M6 Washer (37) M10 Nylon Locknut (42) M8 Nylon Locknut (40) M6 Nylon Locknut (44) M8 Washer (20) M10 x 48mm Bolt (50) M10 x 60mm Bolt (65) M10 x 57mm Bolt (91) M8 x 63mm Bolt (39) M8 x 60mm Bolt (62) M8 x 45mm Bolt (68) M8 x 22mm Shoulder Bolt (51) M6 x 16mm Screw (59) M6 x 63mm Carriage Bolt (60) M...
Page 31 - EXPLODED DRAWING—Model No. WESY26331
1 2 3 4 5 6 7 7 8 9 10 1 1 12 13 14 15 16 17 18 19 17 21 21 22 22 23 23 24 24 25 25 26 26 27 27 28 28 29 29 29 29 30 31 32 32 33 34 35 36 21 21 85 85 87 86 31 41 41 86 87 88 88 89 89 56 76 82 38 42 20 55 55 76 50 38 55 20 56 42 82 80 42 42 50 40 69 40 69 67 67 40 68 20 40 40 20 68 40 67 40 40 67 42 ...
Page 32 - ORDERING REPLACEMENT PARTS; LIMITED WARRANTY
ORDERING REPLACEMENT PARTS To order replacement parts, simply call our Customer Service Department toll-free at 1-877-992-5999, Mondaythrough Friday, 6 a.m. until 6 p.m. Mountain Time (excluding holidays). To help us assist you, please be pre-pared to give the following information: 1. The MODEL NUM...