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This section explains how to adjust the weight system attachment. Make sure all parts are properly tightened each
time you use the weight system. Replace any worn parts immediately. The weight system can be cleaned with a
damp cloth and a mild, non-abrasive detergent. Do not use solvents.

10

ADJUSTMENTS

5

12

3

Foot 

Plate

10

7

1

Adjustment

Holes

ADJUSTING THE HACK SQUAT

Stand on the foot plate on the Hack Squat Base (1)
with your shoulders under the Foam Pads (7).
Squeeze the Release Handle (10) and move the
Hack Squat Frame (5) to the desired position.
Release the Handle, and engage the Hack Squat Pin
(12) into an adjustment hole in the Hack Squat
Bracket (3).

WARNING:

Make sure the Hack

Squat Pin (12) fully engages the Hack Squat
Bracket (3) before you use the Hack Squat.

16. Attach the Hack Squat Backrest (6) to the Hack

Squat Frame (5) with four M6 x 16mm Bolts (27).

16

6

5

27

Seat Assembly

17. Make sure that all parts have been properly tightened. Before using the weight system, pull each cable a

few times to make sure that the cables move smoothly over the pulleys. If one of the cables does not move
smoothly, find and correct the problem. IMPORTANT: If the cables are not properly installed, they may
be damaged when heavy weight is used. See the CABLE DIAGRAM on page 11 for proper cable rout-
ing. 

Summary of Contents for Grt950

Page 1: ...ding complete customer satisfaction If you have questions or if there are missing or damaged parts we will guarantee complete satis faction through direct assis tance from our factory TO AVOID DELAYS...

Page 2: ...NT PARTS Back Cover LIMITED WARRANTY Back Cover 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 PAR...

Page 3: ...on the pulleys 9 Always wear athletic shoes for foot protec tion while exercising 10 The weight system is designed to support a maximum user weight of 300 pounds 11 Make sure that the weight pin is f...

Page 4: ...read this manual carefully before using the weight system attachment If you have additional questions please call our Customer Service Department toll free at 1 888 825 2588 Monday through Friday 6 a...

Page 5: ...de 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 Beca...

Page 6: ...dicated end of the Hack Squat Base 1 Insert four M10 x 67mm Carriage Bolts 33 up through the bottom of the Hack Squat Base 1 Slide the Hack Squat Base into the rear base C Note If the Bolts fall out s...

Page 7: ...e Hack Squat Bumper 16 to the Hack Squat Bracket 3 with an M4 Washer 37 and an M4 x 20mm Screw 29 Arm Assembly 7 Press a 75mm x 50mm Inner Cap 21 into the end of the Hack Squat Frame 5 Press a 50mm x...

Page 8: ...Squat Cable 20 around a Pulley 19 Attach the Pulley along with another Pulley inside the bracket on the Hack Squat Base 1 with an M10 x 70mm Bolt 40 and an M10 Locknut 32 11 Route the Hack Squat Cabl...

Page 9: ...19 Attach the Pulley and a Cable Trap 18 to the other hole in the Hack Squat Upright 4 in the same manner Make sure the Cable Traps 18 are positioned to hold the Hack Squat Cable 20 in the grooves of...

Page 10: ...tion Release the Handle and engage the Hack Squat Pin 12 into an adjustment hole in the Hack Squat Bracket 3 WARNING Make sure the Hack Squat Pin 12 fully engages the Hack Squat Bracket 3 before you u...

Page 11: ...damage may occur The numbers show the correct route for the cable Make sure that the cable traps do not touch or bind the cable 11 4 8 2 Hack Squat Cable 20 1 7 3 6 5 WEIGHT RESISTANCE CHART WEIGHT P...

Page 12: ...riage Bolt 33 M10 x 50mm Bolt 39 M10 x 70mm Bolt 40 M10 x 125mm Bolt 41 M10 Locknut 32 M6 x 16mm Bolt 27 M4 x 20mm Screw 29 M10 x 25mm Bolt 31 M10 Large Washer 30 M4 Washer 37 34mm x 19mm Bushing 13 3...

Page 13: ...Bolt 25 1 50mm Square Inner Cap 26 1 82mm x 57mm Outer Cap 27 4 M6 x 16mm Bolt 28 1 M6 x 25mm Allen Head Screw 29 1 M4 x 20mm Screw 30 4 M10 Large Washer 31 8 M10 x 25mm Bolt 32 11 M10 Locknut 33 4 M1...

Page 14: ...12 21 13 23 6 27 27 18 18 19 19 21 46 46 32 41 4 19 15 13 13 38 32 32 36 36 30 31 30 31 39 17 35 17 36 31 19 2 26 32 32 32 32 3 16 15 21 21 14 14 20 30 24 32 30 29 31 36 37 36 36 42 45 47 47 43 20 34...

Page 15: ...turn any defected part for replacement or if necessary the entire product for repair USER S MANUAL It is VERY IMPORTANT THAT YOU READ THE MANUAL before operating the Product Remember to do the periodi...

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