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Backrest

Backrest Bracket

Bracket Knobs

Squat Weight Rest

Weight Rest

Upright 

Curl Post Knob

Curl Pad

Thank you for selecting the WEIDER PRO™™ 450 L 
weight bench. The versatile 450 L weight bench is 
designed to develop every major muscle group of the 
body. Whether your goal is to develop a shapely figure, 
dramatic muscle size and strength, or a healthier car-
diovascular system, the 450 L weight bench will help 
you to achieve the specific results you want.

For your benefit, read this manual carefully before 
using the weight bench. 

If you have questions after 

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.

Seat

BEFORE YOU BEGIN

Length:  6 ft. (183 cm)
Width:  3 ft. 11 in. (120 cm)

Summary of Contents for 450 L 831.15948.1

Page 1: ...erence Serial Number Decal CAUTION Read all precautions and instruc tions in this manual before using this equipment Keep this manual for future reference WEIGHT BENCH User s Manual Assembly Operation...

Page 2: ...ment decal Apply the decal in the location shown Note The decal s may not be shown at actual size WARNING DECAL PLACEMENT 2 IMPORTANT PRECAUTIONS 3 BEFORE YOU BEGIN 4 PART IDENTIFICATION CHART 5 ASSEM...

Page 3: ...ench 10 The weight bench is designed to support a maximum user weight of 300 lbs 136 kg and a maximum total weight of 610 lbs 277 kg Do not place more than 310 lbs 141 kg including a barbell and weigh...

Page 4: ...ht bench will help you to achieve the specific results you want For your benefit read this manual carefully before using the weight bench If you have questions after reading this manual please see the...

Page 5: ...ICATION 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...

Page 6: ...packing materials until you nish all assembly steps Left parts are marked L or Left and right parts are marked R or Right To identify small parts see page 5 In addition to the included tool s assembly...

Page 7: ...x 80mm Screws 27 do not tighten the Screws yet Attach the Crossbar 2 to the Right Upright 3 in the same way 2 Warning Decals 3 Slide the end of the Frame 1 onto the Crossbar 2 Attach the Frame with f...

Page 8: ...ch the Right Seat Frame 8 to the Seat Bracket 10 in the same way 8 9 34 34 35 35 36 10 4 5 Identify the Right Backrest Frame 5 the Left Backrest Frame 6 and the Backrest Bracket 7 Orient the three par...

Page 9: ...ckrest Frames 5 6 with the welded tube on the Frame 1 as shown in the inset drawing Attach the Seat Frames 8 9 and the Backrest Frames 5 6 to the Frame 1 with an M12 x 132mm Bolt 25 and an M12 Locknut...

Page 10: ...33 Start all four Screws and then tighten them 9 Attach the Backrest 19 to the Backrest Brackets 5 6 with four M6 x 65mm Screws 32 and four M6 Washers 33 Start all four Screws and then tighten them S...

Page 11: ...he same height 11 Attach the Curl Pad 17 to the Curl Post 4 with four M6 x 20mm Screws 31 Start all four Screws and then tighten them 12 Make sure that all parts are properly tightened before the weig...

Page 12: ...raise or lower the Backrest and then release the Bracket Knob into one of the adjustment holes in the Backrest Bracket 7 Move the Backrest upward or downward to make sure that the Backrest Knob is en...

Page 13: ...attach the Squat Weight Rests 11 12 to the Uprights 3 39 at the desired height Make sure that both Squat Weight Rests 11 12 are at the same height 12 11 3 39 WARNING Do not place more than 310 lbs 141...

Page 14: ...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 workout and the numbers of repetitions a...

Page 15: ...nd enjoyable part of your life Exercise Lbs Sets Reps Exercise Lbs Sets Reps 1 6 2 7 3 8 4 9 5 10 Strength Date Exercise Lbs Sets Reps Exercise Lbs Sets Reps 1 6 2 7 3 8 4 9 5 10 Exercise Lbs Sets Rep...

Page 16: ...16 NOTES...

Page 17: ...17 NOTES...

Page 18: ...val Cap 22 8 Rectangular Cap 23 1 Crossbar Cover 24 5 M4 x 19mm Screw 25 1 M12 x 132mm Bolt 26 1 M12 Locknut 27 4 M10 x 80mm Screw 28 4 M10 Washer 29 5 M10 x 20mm Screw 30 1 M10 Locknut 31 4 M6 x 20mm...

Page 19: ...14 16 18 19 13 13 15 15 17 20 20 20 20 37 21 21 37 21 21 23 26 30 32 32 32 32 25 22 22 22 22 22 24 39 24 24 24 24 27 27 29 28 28 29 29 31 31 34 34 34 34 36 36 33 33 33 33 35 35 35 35 38 38 EXPLODED D...

Page 20: ...800 4 MY HOME 1 800 469 4663 to arrange for free repair or replace ment if repair proves impossible This warranty does not apply when the Weight Bench Exerciser is used commercially or for rental pur...

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