Gravitron® 2000 AT Owner`s Manual
Contents
1. Exercise at a level of intensity assistance which challenges you The tenth rep of each set should be the last one you could perform with the proper form Decrease the level of assistance when you can comfortably perform 10 reps in each set Exercise at least twice a week on non consecutive days Emphasize the lowering eccentric phase of the exercises Keep a written record of your performance to monitor your progress There are four ways to increase the intensity of your workout a perform more repetitions b perform more sets c use less assistance d take less rest between sets THE ADVANCED CONDITIONING PROGRAM When you exercise regularly on the StairM aster Gravitron 2000 upper body exercise system you will increase the endurance and strength of muscles in your upper body In a relatively short period of time you will discover that you can perform the basic exercise routine relatively easily You should either increase the intensity of your Page 11 BASIC OPERATING INSTRUCTIONS workout refer to in the section Training Tips or develop an individualized program You have considerable freedom in planning your workout program as long as you adhere to the principles in the section Training Tips One option is to use an advanced protocol for training The Basic and Advanced protocols are shown in Table 3 Select the minimum amount of lift assistance that allows 8 reps per set before muscle fa2. SELECTOR ROD 8 2 WEIGHT STACK PLUG 27 WEIGHT PLATE 21X COOODOOODOOODOOOOSO 9 WEIGHT STACK 28 ROLL PIN 29 SELECTOR PIN 50 DECAL 51 DECAL INSERT 90190 A 9 21 84 Page 29 FIGURES Figure 9 Guide Rod Assembly 19 SCREW 2X 11 FLAT WASHER 8X NYLOC NUT 2X 34 PULLEY GUIDE ub 5 2 RUBBER BUMPER 90191 A 9 21 94 Page 30 KEY TO FIGURES IDNumher Description Chin ber assembly right side pee 1 nui 1 27 13 Se Pen EE Te l Din bar assembly 23107 03 End cap a mth bumper ae 40 head 5 6 18x 1 Fastener safety panel mounting 22006 2211 32
3. lt StairMaster GRAVITRON Printed in the United States 1994 StairM aster Sports M edical Products Inc All rights reserved Corporate Headquarters 12421 Willows Road N E Suite 100 Kirkland WA 98034 800 635 2936 206 823 1825 Fax 206 823 9490 StairMaster PIN 21225 B 1994 StairM aster Sports M edical Products Inc StairM aster amp Gravitron registered trademarks and 2000 AT and the Gravitron logo are trademarks of StairM aster Sports M edical Products Inc Page iii WARRANTY This is to certify that the StairM aster Gravitron 2000 AT upper body exercise system is warranted by StairM aster edical Products Inc to be free of all defects in materials and workmanship This warranty does not apply to any defect caused b negligence misuse accident alteration improper maintenance or an act of God This warranty is nontransferable from the original owner If within three years from date of purchase any part of the StairM aster Gravitron 2000 AT upper body exercise should fail to operate propery except for the knee pad the trolley wheels the pulley and the cable all of which have a one year warranty contact the Customer Service Department of StairM aster Sports M edical Products Inc to report the pee International customers may contact their local distributor W hen calling please be prepared to provide our customer servi
4. 3 Remove the weight stack selector pin 4 Punch out the roll pin seated in the fifth weight plate from the top of the weight stack 5 Lift the selector rod out of the weight stack 6 Reinstall the selector rod by reversing the steps Ensure the holes in the weight stack plug are lined up with the holes in the weight stack before driving in the weight stack roll pin Weight Stack Guide Rod 1 Loosen and remove the nut bolt and washers at the top of the guide rod 2 Push the guide rod down so the top of it will clear the mounting bracket 3 Angle the guide rod slightly and pull it up and out of the weight stack Nine TO REDUCE THE RISK OF PERSONAL INJ URY NEVER PULL MORE THAN ONE GUIDE ROD OUT OF THE WEIGHT STACK AT ANY GIVEN TIME REM OVING BOTH GUIDE RODS FROM THE WEIGHT STACK M AY CAUSE THE WEIGHT STACK TO FALL 4 To reinstall the guide rod reverse these procedures Weight Plate 1 Remove the selector rod 2 Remove one of the guide rods Page 21 PARTS REMOVAL AND REPLACEME None TO REDUCE THE RISK OF PERSONAL INJ URY NEVER PULL MORE THAN ONE GUIDE ROD OUT OF THE WEIGHT STACK AT ANY GIVEN TIME REM OVING BOTH GUIDE RODS FROM THE WEIGHT STACK M AY CAUSE THE W EIGHT STACK TO FALL 3 Pivot the damaged weight plate out of the stack and put the new weight plate in place Reinstall the guide rod which was previously removed 4 Remove the other guide rod and completely remove the damaged weight p
5. rest period between sets to a minimum your total workout should have taken about five minutes Page 9 BASIC OPERATING INSTRUCTIONS THE LIFT ASSISTANCE MATRIX The percentage of your body weight you are lifting while exercising can be determined with the Lift Assistance M atrix To use the matrix intersect your body weight to the nearest 10 pounds with the amount of weight selected on the weight stack Table 2 Lift Assistance Matrix BODY WEIGHT LBS It is not possible to perform the exercise at a 6 27 25 n 16 H 170 level of assistan s 11 15 equal ar greater 180 than your body weight 5 10 Page 10 BASIC OPERATING INSTRUCTIONS TRAINING TIPS In order to ensure that your training efforts are as safe and productive as possible you should adhere to the following training guidelines 1 2 10 1 12 Perform all exercises in a controlled manner Perform all exercises through a full range of motion go all the way down and all the way up but do not let the weights touch Perform three sets of both dips and pull ups chin ups each workout Pull ups and chin ups use the same muscles only at different angles With all grip positions hook your thumbs completely around the bar Alternate one set of dips with one set of pull ups chin ups and so on until your workout is completed Perform your workout with a minimum of rest between sets
6. K HAS BEEN RETURNED TO THE RESTING POSITION Page 8 You may step off the knee pad with the other leg Return to the starting position Reach up one hand at a time and grasp the wide grips of the chin up bar Use a pull up grip keep your palms facing away from you during the exercise Pull your body up until your chin is higher than your hands then lower your body until your arms are straight One rep should take about three to four seconds Repeat nine more times for a total of ten reps Take a rest at the end of the set if necessary BASIC OPERATING INSTRUCTIONS MILITARY PULL UP Figure 4 Grip Positions Return to the starting position Perform another ten rep set of dips Rest if necessary Return to the starting position Reach up and grasp the center portion of the chin up bars You may use a chin up grip palms toward you or a pull up grip palms facing away from you Perform a ten rep set of military grip pull ups chin ups Rest if necessary Return to the starting position Perform another ten rep set of dips Rest if necessary Return to the starting position Reach up and grasp the parallel pull up bars with your palms facing each other Perform a ten rep set of parallel bar chin ups When you have completed this last set step off the knee pad onto the assistance steps This completes a basic workout program If you properly performed all 60 repetitions of the recommended exercises and kept the
7. REM OVING SNAP RINGS Page 19 PARTS REMOVAL AND REPLACEMENT 3 Pull the wheel off its axle Ensure that the wheel bearings spin freely Replace the wheel if the bearing does not spin freely or if it is worn 4 Reassemble in the reverse order Cable Assembly 1 Support the trolley Loosen and remove the shoulder bolt at the trolley cable junction 2 Lower the trolley to the floor 3 Loosen and remove the shoulder bolt at the weight stack cable junction 4 Support the pulley Use two wrenches to loosen and remove the pulley mounting bolt 5 Remove the pulley and the cable 6 Reverse these procedures to reinstall the cable Pulley Assembly 1 Have an assistant support the trolley 2 Support the pulley Use two wrenches to loosen and remove the pulley mounting bolt 3 Remove the pulley 4 Lower the trolley to the floor 5 To reinstall the pulley thread the cable over the pulley groove 6 Have your assistant lift the trolley 1 Install the pulley between the two brackets Insert and tighten the pulley mounting bolt and nyloc nut DO NOT over tighten the mounting bolt While your assistant supports the trolley to produce slack in the cable make sure the pulley spins freely Page 20 PARTS REMOVAL AND REPLACEMENT Weight Stack Selector Rod 1 Have an assistant support the trolley Loosen and remove the shoulder bolt at the weight stack cable junction 2 Lower the trolley to the floor
8. S Page 2 INSTALLATION INSTRUCTIONS Before leaving the manufacturing facility in Tulsa Oklahoma your StairM aster Gravitron 2000 AT upper body exercise system was thoroughly inspected and tested for proper operation To minimize shipping damage careful attention was given to making your machine ready for shipment The machine must be placed on a solid level surface of at least 10 square feet 0 9 square meters A minimum ceiling height of 8 feet 2 4 meters and a doorway width of 27 5 inches 70 cm is required M ake sure there is enough room on the right side of the machine to allow access to the weight stack The dimensions of the machine are listed in Table 1 Throughout this M anual all references to the left or right side and to the front or back are made as if you were on the machine ready to exercise For example the weight stack is on the right side of the machine Table 1 Dimensions tracer a RS 81 0 inches 206 cm erede 50 0 inches 127 cm rie eerte veta 48 5 inches 123 cm Shipping nn 27 5 inches 70 cm 511 pounds 232 kg Each Gravitron 2000 AT upper body exercise system requires minor assembly Before moving the machine make sure enough people are availabe to move it safely Take into account the weight of the machine and the fact that the center of gravity is located towards the base Onc
9. X 61 3 800 2722 ITALY NEW FIT S R L 39 35 31 66 81 FAX 39 35 31 88 91 SWEDEN NORWAY NORDIC GYM PRODUCTION 46 278 242 10 FAX 46 278 159 66 LEVEL OF DIFHCULTY exercise Bl level al assestence equal or greater ihan pour body weight Page 25 FIGURES Figure 5 Front View SCREW 2X 10 FLAT WASHER 2X 11 NYLOC NUT 12 6 SCREW 2X 7 FLAT WASHER 4X 8 NYLOC NUT 2X SWEAT CAP 2X 13 1 CHIN UP BAR 2 SCREW 3 FLAT WASHER 2X NYLOC NUT is SHOULDER BOLT NYLOC NUT KNEE PAD i 2 TROLLEY D LA WEIGHT STACK STEP PAD CAP 2 X cr 90187 A 9 20 94 Page 26 FIGURES Figure 6 Right Side View 16 DETENT PIN 2X WINDOW BRACKET 2X 19 SCREM 8X 20 17 CABLE GUIDE ROD DIP BAR BELLOWS 2X 2 DIP BAR 2X 22 16 DETENT PIN 2X n 45 END CAP 4X 24 SWEAT SLEEVE 2X 90188 A 10 05 84 Page 27 FIGURES Figure 7 Trolley Assembly KNEE PAD SNAP RING 4X SHOCK MOUNT LOCK WASHER 4X 40 SCREW 4X 90189 A 9 20 94 Page 28 FIGURES Figure 8 Weight Stack Assembly CABLE CLEVIS 5 iD NYLOC NUT 15 1 4 SHOULDER BOLT
10. assistance steps 5 Assume a kneeling position one leg at a time on the knee pad 6 Keep your arms in an elbows locked position 1 Support your weight on your hands This is the starting position Page 6 BASIC OPERATING INSTRUCTIONS KNEELING PAD Figure 3 Starting Position Page 7 BASIC OPERATING INSTRUCTIONS 8 The basic exercise routine alternates one set of bar dips dips with one of three different sets of pull ups chin ups for a total of six sets From the starting position proceed through the following steps Lower your body until your elbows form right angles Then push your body upward back to the starting position until your arms are straight Remember Keep your back straight during the exercise Perform the movements relatively slowly Make your muscles do the work in both directions A complete execution of a single repetition rep should take about three to four seconds Repeat the movement nine more times for a total of ten reps of the dip exercise Ten reps equals one set You may take a brief rest after each set W ith your weight supported on your hands step off the knee pad with one leg and place that foot on the assistance step while carefully letting the knee pad return to the fully up position do not let the weights slam down AN eue TO REDUCE THE RISK OF INJ URY DO NOT STEP OFF THE KNEE PAD WITH BOTH LEGS UNTIL THE W EIGHT STAC
11. body exercise system whenever it is used by or near children invalids or disabled persons Keep children away from the weight stack and trolley assembly while the machine is in use A serious injury could result from an infant s or a small child s fascination with the moving components of the exercise system Use the Gravitron 2000 AT upper body exercise system only for its intended use as described in this M anual Do not use attachments or accessories that are not genuine products provided by StairM aster Sports M edical Products Inc Never attempt any adjustments or repairs while an exercise program is in progress Do not use the machine outdoors Page 1 SAFETY GUIDELINES e Neveroperate the Gravitron 2000 AT upper body exercise system if the machine does not appear to be operating properly or if it has been dropped or damaged Call the Customer Service Department of StairM aster Sports M edical Products Inc at 800 331 3578 to arrange for damaged parts to be returned to our manufacturing facility for examination and repair Interna tional customers may contact their local distributor refer to the Appendix for the appropriate phone number Do not attempt to use the equipment until all problems have been corrected 3 Failure to follow all guidelines may compromise the effectiveness of the exercise experience expose yourself and possibly others to injury and reduce the longevity of the machine SAVE THESE INSTRUCTION
12. ce representa tive with the following information e Your name shipping address and telephone number model number of the inoperable unit The serial number of the unit located on the frame e The date s of purchase for the inoperable unit s e Your billing address This information will enable StairM aster Sports M edical Products Inc to ensure that you are the only one ordering parts under your warranty protection If warranty replacement parts are shipped to you StairM aster Sports M edical Products Inc may require that the inoperable part be returned To facilitate this process the following policy has been established e Please call the Customer Service Department of StairM aster Sports M edical Products Inc to receive a return goods authorization prior to shipment StairM aster Sports M edical Products Inc will incur all freight shipping and handling charges for warranty parts ordered for a product that is less than 45 days old The parts will be shipped to you via an overnight courier The customer is responsible for freight charges on warranty parts for roducts that are more than 45 days old Customers will not be responsible or the return shipment of the inoperable parts see below Some inoperable warranty parts must be promptly returned to the Customer Service Department of StairM aster Sports M edical Products Inc The freight charges for the return of inoperable warranty pa
13. e reverse these procedures NOTE Ensure that the sweat cap is properly placed to protect the junction betw een the vertical frame rail and the stub frame Dip Bar 1 Loosen and remove the four screws retaining the window bracket and the bellows to the vertical frame rail 2 Loosen and remove the allen screw and nut securing the dip bar to the frame 3 Pull the dip bar out of the frame Page 18 PARTS REMOVAL AND REPLACEMENT 4 To reinstall the dip bar reverse these procedures Dip Bar Bellows 1 Remove the four screws retaining the window bracket and the bellows to the vertical frame rail 2 Remove the dip bar 3 Remove the bellows from the dip bar 4 To reinstall the bellows reverse these procedures Knee Pad 1 Loosen and remove the four bolts and lock washers from the bottom of the knee pad Lift the knee pad off the trolley 2 To reinstall the knee pad align the holes in the knee pad base with the holes in the trolley Install and tighten the bolts and lock washers Trolley Assembly 1 Remove the caps from the top of the trolley tracks 2 Support the trolley Loosen and remove the shoulder bolt at the trolley cable junction 3 Raise the trolley out of the trolley tracks 4 Reverse these procedures to reinstall the trolley Trolley Wheel Assembly 1 Remove the trolley 2 Remove the snap ring from the trolley wheel axle PATE TO REDUCE THE RISK OF EYE INJ URY WEAR EYE PROTECTION WHEN
14. e the machine is in the desired location perform the following steps to make it operational 1 Cut the nylon straps securing the weight stack 2 For shipping purposes the chin up bars were turned inward and installed on opposite sides of the machine To rotate the bars Remove the clear shrink wrap from the bars Support the right bar at the upwardly curved end with one hand Use the other hand to push out the detent pin from the other end of the bar Rocking the bar up and down will ease pin removal e Pull the bar out of the frame and place it on the floor on the right side of the machine e Repeat the two previous steps for the left bar but place it on the floor on the right side of the machine Page 3 INSTALLATION INSTRUCTIONS e Pickup the bar on the right side of the machine and install it into the right side frame hole Gently push the bar into the frame until it makes contact Make sure the hand grip of the bar is pointing to the right and downward Line up the holes in the bar with the holes in the frame and install the detent pin Repeat the steps for the bar on the left side of the machine 3 Remove the wooden blocks that secure the weight stack guide rods these blocks are used only on machines shipped internationally 4 Your StairM aster Gravitron 2000 upper body exercise system is now ready for use The chin up bars should be removed before moving the machine Removing the bars minimi
15. erenced in the Parts Key of the Appendix TOOL LIST The following tools are needed to perform service and maintenance 5 16 allen wrench standard screw driver rubber mallet shop goggles or other eye protection combination w renches sizes 3 8 3 4 adjustable wrench phillips screw driver external snap ring pliers INITIAL SERVICE Upon receiving your machine use a soft clean towel to wipe off the dust that may have accumulated during shipping Your machine will require minor assembly Refer to the Installation Instructions section of this M anual for details PREVENTIVE MAINTENANCE A schedule of the recommended preventive maintenance is shown in Table 4 This Schedule assumes moderate to heavy usage in a commercial health club environment Refer to the appropriate Parts Removal and Replacement section of this M anual for all disassembly and assembly instructions Daily 1 Clean the exterior of your machine especially the knee pad using soap and water or a diluted household cleaner such as Fantastic Do not use bleach as it may discolor some parts Page 13 MAINTENANCE 2 Check the cable housing for nicks and cuts and replace the cable if it is damaged 3 M ake sure the pulley turns freely 4 Inspect the dip bars to ensure that they move up and down through the full range of movement 5 Check the cable attachment points at both the weight stack and the trolley Ensure the nyloc nut is securely faste
16. es snese 12 Table 4 Preventive M aintenance Schedule seen 15 LIST OF ILLUSTRATIONS igure 1 igure 2 igure 3 igure 4 igure 5 igure 6 igure 7 igure 8 igure 9 Tn cn cn ocn ocn 111 711 111 Page viii Muscles of the Front of the Upper Body vi Muscles of the Back of the Upper Body Vi Starting eco mid enin ma eiit 1 Grip POSILIORIS s c ttti nivis ar 9 Front View of the Machine 0 0 2 4 4 9 26 Right Side View of the M ACHING 04 21 Trolley Assembly 28 W ight StackASSembl rss manne mine 29 Guide Rod Assembly sssrinin 30 SAFETY GUIDELINES IMPORTANT SAFETY INSTRUCTIONS GUIDELINES FOR SAFELY OPERATING THE STAIRM ASTER GRAVITRON 2000 UPPER BODY EXERCISE SYSTEM W hen using any exercise equipment several basic precautionary guidelines should always be strictly enforced Among the safety precautions to which you should adhere when operating the Gravitron 2000 AT upper body exercise system are the following 1 Read all instructions thoroughly before using the Gravitron 2000 AT upper body exercise system 2 To reduce the risk of injury to individuals Closely supervise the Gravitron 2000 AT upper
17. for Safe Operation 5 YOUR First W OTKOUE einen rite ere nitet 6 The Lift Assistance Matrix 10 ACTI 1 Advanced Conditioning Program 1 MAINTENANCE mens 13 He prato SR 13 Tol List iniiai aan apa o Hn pate dea Ede i a RR 13 TBEISI Ajo 13 Preventive M aintenance 13 TROUBLESHOOTING sn 16 PARTS REMOVAL AND REPLACEMENT sms 18 nee Arne ier pev nite 20 CHIN UP e ep ted ene nn Enr nr 18 DID BaT 18 Dip Bar Bellows 19 fails META 19 Pulley Assembly de dede e da 20 Safety Panel ert petite a ded 18 Stub Frame c fte eco teme edet m 18 TONEY A SSOITID Veet iicet tentent tame eme 19 Trolley Wheel Assembly nennen 19 Welght Plate zuo cerent hoc tva rc hr Pert cnr ina 21 Weight Stack Guide Rod 21 Weight Stack Selector Rod uictis treni eter cts 21 5 n Rc 23 How to Order Parts 24 LITVASSIStANCE Matra nee tete 25 26 KGy to FIQUre5 5 5 0 rnini et nes o a 31 Page vii CONTENTS LIST OF TABLES Table DIMENSIONS oer rt pe m Fl v e cn nr 3 Table 2 Lift Assistance Matrix 10 Table 3 Basic and Advanced Workout Sequenc
18. ghly and adhere closely to the instructions WHAT IS IN THIS MANUAL Following the information on installation and a brief explanation of how the Gravitron 2000 AT upper body exercise system works this manual contains two major sections The first section provides an explanation of how the machine should be used to achieve maximum results The second section offers instructions and advice on how to properly maintain your machine The Appendix section contains additional information for the owner WHAT IS THE STAIRM ASTER GRAVITRON 2000 AT UPPER BODY EXERCISE SYSTEM The Gravitron 2000 AT upper body exercise system is a machine designed for performing lift assisted pull up chin up and bar dip exercises The 180 pound weight stack divided by 10 pound increments provides a wide range of assistance levels The exclusive linear tracking mechanism eliminates the joint stress associated with systems that use a pivotal mechanism Regular use of the Gravitron 2000 AT upper body exercise system develops and strengthens the major muscle groups of the upper body including the biceps brachialis brachioradialis deltoid triceps pectoralis major and minor latissimus dorsi rhomboids teres major and trapezius Page v INTRODUCTION ANTERIOR VIEW cape Figure 2 Muscles of the Back of the Upper Body Page vi SAFETY GUIDELINES mn 1 INSTALLATION INSTRUCTIONS manner 3 BASIC OPERATING INSTRUCTIONS mn 5 General Guidelines
19. ilure while still allowing a full range of motion 2 Exercise to fatigue Do as many reps per set as possible Rest for no more than one minute between sets The entire program may require more than five minutes even if you maintain the suggested pace of one rep every three to four seconds 3 Adjust your intensity level if necessary prior to your next workout If you have reached the point where you can consistently perform 12 reps of an exercise per Set at a specific weight you should decrease the amount of lift assistance by 10 pounds Table 3 Basic and Advanced Workout Sequences Basic Advanced Workout Workout Exercise Reps Bar Dip 8 12 Military Pull up 8 12 Bar Dip 8 12 Wide Grip Pull up 8 12 Bar Dip 8 12 Parallel Bar Pull up 8 12 Total 48 72 Page 12 MAINTENANCE HELPFUL HINTS The safety level given by the design of this equipment can only be maintained when the equipment is regularly examined for damage and wear Inoperable components shall be replaced immediately or the equipment shall be put out of use until it is repaired Read all maintenance instructions thoroughly before beginning work In some cases an assistant is required to perform the necessary tasks All references to the right or left side and to the front or back are made as if you were on the machine ready to exercise For example the weight stack is on the right side of the machine The circled numbers in the figures identify parts that are ref
20. late Pivot the new weight plate into place and reinstall the guide rod 5 Reinstall the selector rod Page 22 APPENDICES How to Obtain Troubleshooting Help and Order Parts Metric Lift Assistance M atrix Figures 5 9 Key to Figures 5 9 Page 23 HOW TO ORDER PARTS If you need assistance please have both the serial number of your machine and the date of purchase available when you contact the appropriate StairM aster Sports M edical Products Inc office listed below OFFICES IN THE UNITED STATES CORPORATE HEADQUARTERS 12421 Willows Road NE Suite 100 Kirkland WA 98034 800 635 2936 or 206 823 1825 FAX 206 823 9490 CUSTOM ER SERVICE 12421 Willows Road NE Suite 100 Kirkland WA 98034 800 331 3578 FAX 206 814 0601 International Customers 206 823 1825 INTERNATIONAL OFFICES AND DISTRIBUTORS INTERNATIONAL DIVISION 206 823 1825 FAX 206 820 7505 EUROPE HEADQUARTERS 41 92 823801 FAX 41 92 823802 GERM ANY HEADQUARTERS 49 2204 610 27 FAX 49 2204 628 90 U K HEADQUARTERS 44 908 221 323 FAX 44 908 223 162 FRANCE BELGIUM HOLLAND S P R L M ON DIAL 32 82 226775 FAX 32 82 226854 COUNTRIES NOT LISTED 918 831 0100 FAX 918 831 0165 Page 24 CANADA HEADQUARTERS 800 668 4857 416 798 2670 FAX 416 798 2679 JAPAN SENOH CORPORATION 81 03 5479 6711 FAX 81 03 5479 6703 AUSTRALIA THE FITNESS GENERATION PTY LTD 61 3 800 2122 FA
21. n points and then the dip bars When you have isolated the origin of the noise clean and lubricate that part completely If the squeak is isolated to the pulley clean the pulley groove with a standard glass cleaner If the pulley continues to squeak replace it The bearings are sealed and are not user serviceable If the machine still squeaks contact the Customer Service Department of StairM aster Sports M edical Products Inc for additional assistance Page 17 PARTS REMOVAL AND REPLACEMENT Safety Panel 1 Remove the six screws on the inside edge of the safety panel 2 Remove the safety panel from the machine 3 Do not over tighten the screws when reinstalling the panel Chin up Bar 1 Support the bar at the upwardly curved end with one hand Use the other hand to push out the detent pin from the other end of the bar Rocking the bar up and down will ease pin removal 2 Pull the bar out of the frame 3 To reinstall the bar insert it into the hole in the frame Gently push the bar into the frame until it makes contact Line up the holes in the bar with the holes in the frame and install the detent pin Stub Frame 1 Remove the detent pins Use finger pressure or a rubber mallet if needed to start moving the detent pin out 2 Pull the stub frame out of the main frame This will also remove the sweat caps located at the bottom of the machine in front of the vertical frame rails 3 To reinstall the stub fram
22. ned on the bolt Weekly 1 Thoroughly clean the entire machine at least once a week 2 Inspect the exposed frame for any rust bubbling or paint chips during the weekly Cleaning The salt in perspiration can damage the unpainted surfaces Repair the damaged area with a touch up kit refer to the Parts Key for the touch up kit part number 3 Wipe the weight stack guide rods with a rag dampened with window cleaner in order to clean off the old lubricant and prevent buildup To lubricate the guide rods spray silicon lubricant onto a clean rag and wipe the guide rods 4 Clean the cable by wiping it with a dampened with window cleaner Do not lubricate the cable NEVER LUBRICATE THE SEALED BEARINGS THE PULLEY THEY ARE PERM ANENTLY LUBRICATED AND M AY FAIL IF YOU ADD LUBRICANTS Page 14 MAINTENANCE Table 4 Preventive Maintenance Schedule RECCOM ENDED PART ACTION FREQUENCY CLEANER LUBRICANT Interior Visually inspect for nicks and cuts and replace Daily Glass Cleaner if any are discovered Guide Clean and Rods ubricate DEM DEM Trolley C ean and Glace Cleaner Silicone Rollers ubricate spray Cable Connection Weekly ass Cleaner Points Dip Bar Inspect for full Daily N A M ultipurpose range of motion grease Handles Inspect for free Note Use of a silicone spray on parts not so specified will result in diminished perfor mance and a shorter life span for that par
23. plates If the pulley is still not spinning freely loosen the nut on the pulley mounting bolt slightly and try again If the pulley still does not spin smoothly the bearings are probably worn out and you must replace the pulley Remove the trolley from its track Clean all four trolley wheels and spin them by hand They should spin freely If not replace the trolley wheel s Clean both sides of the track and lubricate the track with a silicone spray Reassemble and retest the machine If the trolley is still sticking contact the Customer Service Department of StairM aster Sports M edical Products Inc for additional assistance Problem M ore weight plates move than were selected or some plates move and then fall down 1 2 M ake sure the selector pin is fully engaged in the weight stack Inspect the top and bottom of all weight plates for excess grease or sweat This Page 16 TROUBLESHOOTING condition may cause the plates to stick to each other If such excess exists clean it away with a mild degreaser Because of its potential for causing this problem grease should not be used to lubricate the guide rods Problem The machine makes a squeaking noise during exercise 1 In order to isolate the squeak lightly spray a silicone based lubricant one moving part at a time and then exercise on the machine Start with the trolley track and trolley wheels then the weight stack guide rods the pulley the cable connectio
24. rts will be paid by StairM as ter Sports M edical Products Inc detailed instructions are included with each warranty replacement part shipment StairM aster Sports M edical Products Inc neither makes assumes nor authorizes any representative or other person to make or assume for us aly other warranties whatsoever whether expressed or implied in connection with the sale service or shipment of our products We reserve the right to make changes and improve ments in our products without incurring any obligation to similarly alter products previously purchased In order to maintain your product warranty and to ensure the safe and efficient operation of your StairM aster Gravitron 2000 AT upper body exercise system only authorized parts can be used This warranty is void if any parts other than those provided by StairM aster Sports M edical Products Inc are used Note Aerosol products cannot be transported via air Page iv INTRODUCTION The StairM aster Gravitron 2000 upper body exercise system is a highly effective tool for developing and strengthening your upper body muscles It is designed for use by individuals of practically all ages and fitness levels Your purchase of this machine is a positive affirmation of your commitment to use the best available method to develop a high level of muscular fitness In order to achieve the greatest gains possible from your machine you should read this manual thorou
25. rw eight or severely deconditioned individuals should be particularly cautious when using the machine for the first time Even though such individuals may not have prior histories of serious physical problems they may perceive the exercise to be far less intense than it really is resulting in the possibility of overexertion or injury 6 Although all equipment and machines manufactured by StairM aster Sports M edical Products Inc have been thoroughly inspected at the manufactur ing facility prior to shipment proper installation and regular maintenance are required to ensure safety M aintenance is the sole responsibility of the owner Page 5 BASIC OPERATING INSTRUCTIONS YOUR FIRST WORKOUT ON THE STAIRMASTER GRAVITRON 2000 AT UPPER BODY EXERCISE SYSTEM IF AT ANY TIME DURING YOUR WORKOUT YOU FEEL CHEST PAIN EXPERIENCE SEVERE M USCULAR DISCOM FORT FEEL FAINT OR ARE SHORT OF BREATH STOP EXERCISING IM M EDIATELY IF THE CONDITION PERSISTS YOU SHOULD CONSULT YOUR M EDICAL DOCTOR IM M EDIATELY 1 Warm up with light calisthenics and easy stretching for approximately five minutes before exercising on the Gravitron 2000 AT upper body exercise system 2 Place the weight stack pin in the appropriate plate For the first workout women should lift 20 25 of their body weight men should lift 50 5596 Refer to the lift assistance matrix in the next section for details 3 Grasp the dip bars 4 Step onto the
26. t N A Not Applicable M ultipurpose grease Page 15 TROUBLESHOOTING This section outlines several tests to systematically identify and isolate the cause of common problems The first step is to identify the problem Once you have identified the problem perform the tests in exactly the same order as written Refer to the appropriate Parts Removal and Replacement section of this M anual for all disassembly and assembly instructions To order a replacement part or to get help with the troubleshoot ing process contact the Customer Service Department of StairM aster Sports M edical Products Inc at 800 331 3578 international customers should call 206 823 1825 Problem The trolley does not move smoothly 1 Check for and remove any obstruction on the inside of the trolley track If the trolley track is clear proceed to the next step Clean and lubricate the guide rods Inspect the weight plates to ensure that no debris has built up in the guide rod holes Clean the holes if necessary If the trolley is still not smooth proceed to the next step Support the trolley and disconnect the cable from the trolley M anually raise and lower the trolley on its track If it tracks smoothly proceed to step 4 If the trolley is still does not move smoothly proceed to the step 5 Inspect the pulley Verify that it spins freely by hand check for and remove any obstructions between the pulley mounting
27. zes the chances of any potential damage to either the area or any adjacent equipment Remove the detent pins and pull the bars out of the frame Once the move is complete insert the bars into the frame holes until they contact the back of the frame Line up the holes in the bar with the holes in the frame and insert the detent pin Page 4 BASIC OPERATING INSTRUCTION GENERAL GUIDELINES FOR SAFE OPERATION 21010 THESE GUIDELINES ARE DIRECTED TO YOU AS THE OW NER OF THE MACHINE YOU SHOULD INSIST THAT ALL USERS FOLLOW THE SAM E GUIDELINES YOU SHOULD M AKE THIS M ANUAL AVAILABLE TO ALL USERS 1 Obtain a complete physical examination from your medical doctor and enlist a health fitness professionals aid in developing an exercise program suitable for your current health status 2 Keep your hands and feet away from all moving parts Of course you must be on the knee pad which moves to perform the exercises 3 W hen using the Gravitron 2000 upper body exercise system for the first time exercise at the higher levels of user assistance until you feel comfortable and capable of receiving less lift assistance 4 As a general rule all repetitions of the exercises should be performed at a moderate rate of speed Your actual speed and the duration of your exercise how ever should always be subject to how you feel Apparent heart rate or any other external influence should never override your judgment when exercising 5 Ove
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